bluuebunny/crossref_metadata_2025 huggingface dataset:
UPAYA IKMI KOTA PEKANBARU DALAM PENGEMBANGAN MEDIA DAKWAH
Authors: Rosidi Imron , Yusuf Muhammad
Published: September 2020

Penelitian ini dilatar belakangi oleh pesatnya perkembangan media yang tidak diikuti oleh upaya serius lembaga-lembaga dakwah di Indonesia dalam memanfaatkan kemajuan media tersebut. Penyampaian dakwah semestinya tidak hanya dengan metode ceramah tatap muka, namun juga  dikemas dengan memanfaatkan penggunaan media. Penelitian ini menemukan bahwa upaya IKMI Kota Pekanbaru dalam pengembangan media dakwah adalah dengan menggunakan beberapa media yaitu Pertama: Pengembangan media auditif (radio), Kedua: Pengembangan media visual (buletin dan buku) dan Ketiga: Pengembangan media baru internet (facebook dan website). Namun pada saat ini IKMI Kota Pekanbaru lebih fokus menggunakan media radio dan buletin untuk pengembangan dakwah. Hal ini dikarenakan terbatasnya sumber daya manusia yang dimiliki IKMI dalam menggunakan media-media lain, seperti internet. Kata kunci: Upaya, IKMI Kota Pekanbaru, Media Dakwah.
STRATEGI TAREKAT NAQSYABANDIYAH DALAM PENGEMBANGAN DAKWAH DI DESA RANTAU PANJANG KIRI KECAMATAN KUBU BABUSSALAM KABUPATEN ROKAN HILIR
Authors: Masduki Masduki , R Jefri
Published: September 2020

Penelitian ini dilatarbelakangi oleh kondisi saat ini yaitu orang yang melaksanakan persulukan semakin lama semakin berkurang. Hal ini disebabkan karena orang-orang yang berkecimpung didalamnya telah berpulang kerahmatullah, dan kurangnya minat generasi muda untuk terlibat dalam tarekat ini, sebagai ajang generasi penerus. Apabila kondisi ini dibiarkan berlarut-larut akan menyebabkan keterpurukan terhadap ajaran tarekat itu sendiri. Tarekat merupakan suatu jalan untuk mendekatkan diri kepada Allah SWT. dengan kaedah-kaedah atau aturan-aturan tertentu sesuai syari’at yang diyakini dengan sepenuh hati dari guru (mursyid) dalam penyucian diri dengan berkhalwat. Tarekat Naqsyabandiyah, yang berhaluan kepada Ahlussunnah waljama’ah bermazhabkan kepada As-syafi’iyah. Kemudian Tarekat Naqsyabandiyah mengajarkan zikir-zikir yang sangat sederhana, lebih mengutamakan zikir hati dari pada zikir mulut. Jika diringkas tujuan pokok dari Tarekat Naqsyabandiyah adalah taubat, uzlah, zuhud, taqwa, qana’ah, dan taslim. Untuk mendapatkan bagaimana strategi Tarekat Naqsyabandiyah dalam pengembangan dakwahnya adalah dengan mewawancarai informan penelitian, mengobservasi dan dokumentasi. Agar Tarekat Naqsyabandiyah tetap tumbuh dan berkembang tergantung kepada Mursyid. Seorang Mursyid tidak boleh cacat fisik maupun non-fisik dikalangan masyarakat. Pembenahan yang paling utama untuk diperbaiki adalah komunikasi. Baik Mursyid, murid maupun masyarakat hendaknya saling mendukung dalam pembangunan fisik, mental dan spritual. Untuk memudahkan dalam pengembangan dakwah tarekat Naqsyabandiyah ini, hendaknya menjalin hubungan baik dengan pemerintah sehingga dalam urusan fasilitas terpenuhui. Penyebab dari kegelisahan masyarakat untuk masuk adalah masalah perekonomian yang kurang mampu. Keywords : Strategi Dakwah, Tarekat Naqsyabandiyah, Pengembangan Dakwah
STRATEGI RADIO REPUBLIK INDONESIA (RRI) PEKANBARU DALAM MENYAMPAIKAN PROGRAM SIARAN DAKWAH
Authors: Rosidi Imron , Zain Rizal
Published: September 2020

Penelitian ini dilatarbelakangi peran radio sebagai media informasi dalam menyampaikan pesan-pesan dakwah di tanah air khususnya di Pekanbaru.Penelitian ini dilakukan di Radio Republik Indonesia (RRI) Pekanbaru.Permasalahan dalam penelitian ini adalah bagaimana strategi RRI dalam menyampaikan program siaran dakwah terhadap pemirsa dikarenakan RRI merupakan Radio bersifat media publik (milik pemerintah).Tujuan dalam penelitian ini adalah untuk mengetahui strategi yang digunakan oleh RRI Pekanbaru dalam menyampaikan program siaran dakwah.Metodologi dalam penelitian ini berjenis deskriptif dengan menggunakan pendekatan kualitatif.Subjek dalam penelitian ini adalah pimpinan beserta pegawai strukturalRRI Pekanbaru sedangkan objeknya adalah strategi yang digunakan RRI Pekanbaru dalam menyampaikan program siaran dakwah. Informan dalam penlitian ini berjumlah 8 orang diantaranya satu orang Pimpinan, dua orang Penyiar, dua orang Da’i, dua orang Pemirsa dan satu Tokoh agama. Penelitian ini disusun dengan menggunakan kerangka pikir yang sistematis dengan menggunakan Model Deduktif. Adapun hasilpenelitian ini adalah RRI menggunakan tiga strategi yaitu pertama Srategi Perencanaandengan menetapkan tema dan topik yang ingin disampaikan, menetapkan penyiar serta menentukan jadwalnya, kedua adalah Strategi Pelaksanaanyaitu ceramah yang disampaikan oleh Da’i dengan memakai narasumber dilanjutkan dengan sesi tanya jawab dan diskusi antara penyiar dan narasumber, ketiga adalah Strategi Penilaian dengan menetapkan standar keberhasilan penyiar dan melakukan tahap koreksi terhadap program siaran dalam penyampaian dakwah.
DOA SEBAGAI KOMUNIKASI TRANSEDENTAL DALAM PRESPEKTIF KOMUNIKASI ISLAM
Authors: Rahim Umar Abdur
Published: September 2020

Kajian ini fokus pada kajian hakikat doa sebagai sebuah sarana komunikasi transedental antara manusia dengan Tuhannya, yaitu seorang muslim dengan Allah Swt. Argumennya adalah bahwa di samping sebuah ibadah yang memiliki syariat berupa tata cara yang telah diberikan tuntunannya, doa juga sesungguhnya memiliki esensi komunikasi. Yaitu komunikasi antara manusia dengan Tuhannya yang justru sangat berperan penting pada sampainya pesan dan terkabulnya atau diijabahnyadoa yang dipanjatkan.Pendekatan dalam kajian ini menggunakan kajian kepustakaan, dengan mempelajari dan mengumpulkan data dari literature, buku-buku serta sumber yang relevan dan mendukung.Hasil menunjukkan bahwa hakikat doa dalam ajaran dan prespektif komunikasi Islam, sesungguhnya bukanlah hanya sekedar ritual keagaaman saja, akan tetapi doa juga sesungguhnya memiliki esensi sebagai sarana komunikasi. Yaitu komunikasi antara manusia dengan Tuhannya yang justru sangat berperan penting pada sampainya pesan dan terkabulnya sebuah doa.
Intensitas Menonton Video Dakwah melalui Media Platform Online dengan Tingkat Religiusitas
Authors: Romadi Pipir
Published: September 2020

Religiusitas merupakan suatu hal yang penting dalam kehidupan individu. Religiusitas merupakan keyakinan yang berisi nilai-nilai dalam memedomani kehidupan. Salah satu hal yang dapat meningkatkan religiusitas adalah dengan menonton video dakwah melalui media platform online secara intens. Penelitian ini bertujuan untuk mengetahui hubungan intensitas menonton video dakwah melalui media platform online dengan tingkat religiusitas pada mahasiswa. Populasi penelitian adalah mahasiswa UIN Suska Riau. Sampel berjumlah 100 orang mahasiswa dengan menggunakan teknik simple random sampling. Pengumpulan data penelitian menggunakan skala Intensitas Menonton dari teori Ajzen (2005) dan Skala Religiusitas Muslim dari teori Mohd Mahudin, N. D., dkk (2016). Metode analisis menggunakan korelasi rank spearman dengan nilai koefisien korelasi sebesar 0,494 dan p=0,000 (p<0,05). Hasil penelitian menunjukkan bahwa intensitas menonton video dakwah melalui media platform online berhubungan dengan tingkat religiusitas pada mahasiswa.
Beban Ganda Buruh Tani Perempuan di Jorong Limpato Nagari Kajai Kecamatan Talamau Kabupaten Pasaman Barat
Authors: Yarsiah Riva Dila , Azmi Alia
Published: September 2020

This study aims to describe the phenomenon of the double burden endured by female farm workers in Jorong Limpato Nagari Kajai and the impact of the double burden on family and social activities in the community and to identify the involvement of the female farmworker's husband in domestic work. This research is a qualitative research with descriptive method conducted in Jorong Limpato Nagari Kajai Talamau District, West Pasaman Regency. The informants in this study were determined using purposive sampling technique. The type of data in this study consisted of primary and secondary data obtained through observation, interviews, and documentation studies. The results of the study show the phenomenon of the double burden faced by women farm workers can be seen from their productive, reproductive, and social roles in society. The positive impact of a double burden on the family is to increase the husband's income in meeting family needs, while the negative impact is the time to gather with the family and educate and supervise children is limited and the difficulty in allocating time to carry out their role creates pressure for farm laborers. The positive impact of a double burden on social activities in the community is women active in social activities in the community that are informal as at weddings and deaths, while the negative impact is the lack of interaction between women farm workers and community members, in addition to social activities held during the day women farm workers are rarely attended because to attend they are forced to leave their jobs. The involvement of the female farm worker husband in domestic work is very low due to the construction of community thought in Jorong Limpato which results in gender injustice against the female farm worker.

interviews, and documentation studies. The results of the study show the phenomenon of the double burden faced by women farm workers can be seen from their productive, reproductive, and social roles in society. The positive impact of a double burden on the family is to increase the husband's income in meeting family needs, while the negative impact is the time to gather with the family and educate and supervise children is limited and the difficulty in allocating time to carry out their role creates pressure for farm laborers. The positive impact of a double burden on social activities in the community is women active in social activities in the community that are informal as at weddings and deaths, while the negative impact is the lack of interaction between women farm workers and community members, in addition to social activities held during the day women farm workers are rarely attended because to attend they are forced to leave their jobs. The involvement of the female farm worker husband in domestic work is very low due to the construction of community thought in Jorong Limpato which results in gender injustice against the female farm worker.
Kontrol Sosial Masyarakat Terhadap Perilaku Mahasiswa Kos-Kosan Air Tawar Barat Padang
Authors: Fatma Dede , Isnarmi Isnarmi
Published: September 2020

Masyarakat melakukan kontrol sosial kepada mahasiswa, agar mereka berperilaku baik dan mentaati peraturan yang di buat oleh pemilik kos. Penelitian ini bertujuan untuk mengetahui kontrol sosial masyarakat terhadap perilaku mahasiswa kos-kosan. Agar mahasiswa mematuhi peraturan yang telah di buat oleh pemilik kos dan RT setempat dan mengetahui kendala dan upaya masyarakat dalam mengatasi perilaku mahasiswa sehingga mahasiswa mematuhi peraturan dikos maupun di lingkungan masyarakat. Penelitian ini merupakan penelitian kualitatif deskriptif. Subyek dari penelitian ini berjumlah 17 orang yang terdiri dari RT Jl. Gajah masyarakat, pemilik kos dan penghuni kos (mahasiswa) yang dapat membantu penelitian dalam permasalahan yang peneliti bahas. Dalam pelaksanaan kontrol sosial dilingkungan masyarakat tidak ada. Adapun kendala dari masyarakat terhadap pelaksanaan kontrol sosial masyarakat sekitar kurangnya kepedulian sosial/kerja sama pemilik kos dan masyarakat terhadap pengawasan agar mahasiwa mentaati peraturan. Lalu upaya yang dilakukan oleh RT dan pemilik kos membuat peraturan dan sanksi yang tegas bagi mahasiswa yang melanggar peraturan tersebut. Maka dari itu perlu adanya penerapan kontrol sosial masyarakat terhadap perilaku mahasiswa kos, agar tidak berperilaku menyimpang.
Implementasi Program Kotaku dalam Upaya Mengatasi Pemukiman Kumuh di Kabupaten Lima Puluh Kota
Authors: Handika Vira , Yusran Rahmadani
Published: September 2020

Penelitian ini bertujuan untuk menganalisis implementasi Program Kotaku (Kotaku Tanpa Kumuh) dalam upaya mengatasi pemukiman kumuh di Kenagarian Piobang, Kecamatan Payakumbuh Kabupaten Lima Puluh Kota. Program Kotaku merupakan usaha dari direktoral jendral cipta karya dalam mendukung RPJMN Tahun 2015-2019 dalam rangka menguramgi pemukiman kumuh menjadi pemukiman yang layak huni, produktif dan berkelanjutan serta meningkatkan akses terhadap infrastuktur masayarakat. Metode penelititian ini adalah kualitatif dengan menggunakan pendekatan deskriptif. Informan penelitian ditentukan dengan cara purposive sampling. Teknik pengumpulan data dilakukan dengan cara melakukan wawancara, observasi dan studi dokumentasi serta dilakukan reduksi data agar bisa ditarik kesimpulan yang akurat dari data yang telah didapat. Hasil penelitian menunjukan implementasi Program Kotaku dalam mengurangi pemukiman kumuh di Kabupaten Lima Puluh Kota kenagarian Piobang dalam aspek tertentu sudah terlaksana dalam bentuk Pembuatan Drainase Lingkungan dan jalan. Dalam tahap ini adanya dukungan dari implementor seperti Mengadakan pelatihan-pelatihan, melakukan pengawasan. Dalam implementasi ini dekerjakan sesuai dengan SOP yang ada atau dalam Pogram kotaku disebut dengan Pedoman Umum Kotaku. Namun demikian Implementasi Program Kotaku dalam aspek lainnya Seperti Sosialisasi sudah terlaksana namun belum mampu meningkatkan pemahaman masyarakat terhadap maksud dan tujuan program kotaku. Kemudian dalam aspek SDA Seperti sumber daya manusia sudah mencukupi namun dalam partisipasi masyarakat kurang terhadap kegiatan program, dan masih terbatasnya sumber daya fasilitas dalam kegiatan seperti pembebasan lahan, dan sumber daya anggran yang masih kurang mencukupi.
Analysis of Tensile Strength the Fiber Bagasse Particles Board with Resin Adhesives
Authors: Nurdin Hendri - , Fernanda Yolli , Handayani Meisuri
Published: September 2020

Development of the material be in the form of Particles it is possible to do so it can be an alternative to wood. Particle board is an engineered material that utilizes waste bagasse after sugar cane extraction process as an amplifier and as an adhesive used resin. Particle boards that have been produced, generally using wood powder, while the use of wood has been limited and diminished due to difficulty getting it. So the need for development in engineering the main material particle board in the form of wood powder and replace it with waste bagasse. The particle board manufacturing process is carried out by forging (compacting) between the mixture of sugarcane pulp particles and the BQTN 157 Resin adhesive. Percentage of mixed usage 50: 50 based on the fraction of weight and volume. In obtaining the mechanical properties carried out by tensile testing. From this research, the average particle pull strength is 1.81 MPa, strain 13,52% and elasticity 0,013 GPa. In obtaining particle board as an engineering material that has good ability influenced many things such as particle (mesh) raw material, adhesive use, mixed composition, the process of forging. From the characteristics of the test results obtained so that the particle board of the bagasse with resin adhesive is very possible to replace the type of particle board made from raw wood powder.
Design and Testing of Belt Grinding Development
Authors: Setiawan Sepdirama , K Arwizet , Syahri Budi , Ambiyar Ambiyar , Darmawi Darmawi , A Yufrizal
Published: September 2020

The author observes that the use of belt grinding is still rare in the writer's own environment, both in the fields of education and small industries, because there are still many people who are fixated on ordinary grinders, and think that ordinary grinders are better in all work. The development of belt grinders has changed people's perspectives through the development that the authors have done, with increasing belt grinding functions through development which will certainly make belt grinders even more useful. This belt burrs are made and developed through pre-existing belt grinding shapes. The result of this development is a belt grinder which has a function more than the belt grinder which is already before. This belt burrs has three types of work functions, namely vertical, horizontal, and cutter, and also features speed control. With the development that the author does, of course, it will change people's perspectives because belt grinding has a function that is better than before and can better help the work of a grinding process.
Analysis Physical and Mechanical Of Particle Boards Raw Materials Nipah Fruit Fiber
Authors: Saddikin M , Nurdin Hendri , Primawati Primawati
Published: September 2020

The raw materials of the timber industry, especially furniture, are increasingly difficult to obtain in the quantity and quality needed. The development efforts carried out were utilizing Nipah coir waste as a raw material for making particle boards. Particle boards are panel boards made of wood particles or materials containing lignocellulose. Nipah plants contain 27.3% lignin and 36.5% cellulose which has the potential to be used as raw material for particleboard production. This study aims to reveal the physical and mechanical properties of particleboards made from Nipah fruit fibre with adhesive using tapioca flour. The making of particle board is done with a ratio of 90%: 10%, 80%: 20%, 70%: 30%, 60%: 40%, by giving a pressure of 100 kg / cm2. Particle testing is carried out according to the JIS A 5908 standard (2003). From this study, the optimum results were obtained in variations of 60%:40%. The particle physical properties which have an average density value of 1.15 gr / cm3 and an average moisture content of 5.8%. While the mechanical properties obtained by the value of Modulus of Elasticity an average of 21,188.93 kg / cm2. This shows the particle board variations of 60%: 40% produced to meet the JIS A 5908 (2003) standard. Based on the analysis of the quality variations 60%: 40% of particle boards can be recommended as raw materials for interior furniture.
Comparative Study of Performance Test of Refrigerators and Its Relationship with Electric Power Consumptions
Authors: Karudin Arwizet -
Published: September 2020

Refrigerator has a significant role as a tool for food storage. Stored foods in refrigerator can be maintain the food quality and delay the stale. Currently, the refrigerator not only used at home but also in offices or shops that sell foods. It could imagine if without refrigerator, the foods will fast stale and lost their quality. This Research aim to know the performance parameters of refrigerator among others consumption total refrigerator power compared to with the resulting performance or Energy Efficiency Ratio (EER), and characteristics decline temperature in cabin at range time certain with two of brands refrigerator on the market. Research about of the refrigerator performances follows ISO-7371-1985 standards, European Standard EN 153, British Standards Institution 1990. Results obtained to refrigerator tested that average input power for refrigerator A is 83.3 Watts and input power inside condition stable of 66 Watts, EER 1.84 and the minimum temperature can be achieved in cabin refrigerator in time for 5 hours; -11.8 ℃ in the above of cabin, -6.2 ℃ in the center of cabin and 5.1 ℃ in the bottom of cabin, temperature product is -14.4 ℃. For refrigerator B average input power is 85.8 Watts and input power inside condition stable is 74 Watts, EER 1.64 and the minimum temperature can be achieved in cabin refrigerator; -5.5 ℃ in the above of cabin, 0.9 ℃ in the middle of cabin and 1.7 ℃, temperature product is -9.8 ℃.
Effect of Cutting Speed, Feed-rate and Depth of Cut on the Surface Roughness Level of ST-37 Steel in Shaping Proces
Authors: Govinda Krisko , Aziz Abd
Published: September 2020

Abstract

The application in the industrial world, the use of scrap machines by operators pay little attention to the surface roughness of objects produced. The roughness that occurs is influenced by machining parameters such as cutting speed, feed motion, and cutting thickness. The purpose of this study was to determine the effect of cutting speed, feed motion and cutting thickness on the level of roughness of ST 37 steel surface in the scrap process. This type of research is an experimental method that determines the level of steel surface roughness from variations in cutting speed, feed motion, and cutting thickness to ST 37 steel surface roughness. The material used is 70 mm long, 25 mm wide, and 25 mm high. Data processing results from the level of roughness testing using the SPSS version 16.0 application. The results of data analysis showed (1) the significant effect of cutting speed on the level of surface roughness of 5.5%. (2) the significant effect of feeding on the level of surface roughness of 60.9%. (3) significant effect between cutting thickness on surface roughness level of 0.2% (4) significant influence between cutting speed, feed motion, and cutting thickness on the level of surface roughness with a 66.6% influence. Based on data analysis, it can be concluded that cutting speed, feeding motion, cutting thickness are factors that influence the level of steel surface roughness of ST 37 in the scrap process.

Keywords: Cutting Speed, Feed Rate, Depth of Cut, Roughness Level, Experimental.
A road to island sovereignty and empowerment? Fiji’s aims within the Belt and Road Initiative
Authors: Rodd Adrien
Published: September 2020

Though peripheral to China’s policies of global engagement, the small island developing states (SIDS) of the Pacific are becoming an annex to Beijing’s project for a 21st-Century Maritime Silk Road under the Belt and Road Initiative (BRI). Traditionally part of the West’s exclusive sphere of influence, the Pacific Islands have become a contested space, seeking to benefit from the rivalries between the major powers. Among the foremost of these small island states is Fiji, whose Prime Minister Frank Bainimarama has enhanced Fiji’s engagement with China. His government has sought to raise Fiji’s profile on the international stage, seeking to be a regional power among the small states of the Pacific, and to carry the latter’s voice and interests to global fora. Though on significantly different scales, both China and Fiji have embraced a form of ‘go global’ ambition. This paper examines the concrete and theoretical aspects of China’s involvement in Fiji within the BRI and what Beijing and Suva each hope to achieve from this partnership. It will consider potential long-term trends, and whether this initiative may be empowering for Fiji and will discuss whether a SIDS can repurpose to its own advantage a much more powerful state’s initiative, despite the latter’s relative lack of interest in remote small island countries.
A Three-Phase Open Hardware Design for Power Quality Solutions
Authors: I. Táczi  , B. Sinkovics  , I. Vokony  , B. Hartmann
Published: September 2020

Distribution System State Estimation has great potential in the integration process of renewable energies, energy storage and active participation of the customers. The international state of the art pilot projects showed that there are many use cases, such as indication of operational limit violations and enhancing strategic development and asset management by useful in-depth information about the electrical behaviour of the system. However, the concept of state estimation at the distribution level is still a developing research area due to the structural differences of the network structure and parameters from the transmission applications which is also discussed in detail. Based on the value proposition identified through the literature review, simulation studies are carried out on distribution test system with different scenarios based on renewable penetration levels and measurement data availability. The main contribution of this research is a conceptual overview of the possible application of distribution system state estimation and validation of the operation on a case study, which could serve as a foundation for testing the proposed viable use-cases.
Losses allocation due to penetration of DG and self-consumption operation in distribution systems. Case: PV Solar Energy
Authors: U. Lubo  , A. Marquez  , I. Zamora
Published: September 2020

This paper deals the losses allocation in distribution systems with distributed generation (DG). From an analysis based on marginalist theory for costs, losses are assigned simultaneously to generators and consumers of electricity. Taking into account, measurement samplings each 15 minutes during a typical day, it is presented an allocation proceeding of losses along the time, managing profiles of demand and generation by voltage levels. The allocation coefficients are calculated from series of power balance with shared self-consumption and power surpluses towards neighboring nodes. It was simulated through a quasi-static modeling for a network of Medium Voltage and Low Voltage, for different levels of penetration PV Solar. It is presented as an alternative for efficient allocation of losses using the Colombian case as study reference.
Evaluation of long term degradation process of monocrystalline Si photovoltaic panels
Authors: M. Belik
Published: September 2020

The paper focuses on evaluation of long time degradation process of the oldest grid-on operated photovoltaic system in Czech Republic. Monocrystalline silicon cells yield to specific degradation through their life cycles. The degradation can be stratified into material degradation of the essential silicon wafer, material and mechanical degradation of other compounds of the panel and degradation of electrical substructures and components. The degradation process is affected with particular fabrification procedures and with some operating conditions. While the fabrification is out of control of the end user, the operating conditions can be partially influenced by the user. Although the weather and ambient values are the strongest acting factors, also the operating regime can significantly affect the life cycle of the panels. A photovoltaic power plant consisting from 192 monocrystalline silicon panels with installed power 20 kWp has been operated for more than 15 years. The system has own monitoring system logging particular electrical and non electrical values in 10 min interval. This data are used for basic monitoring of the system. The system is deeply inspected annually with thermovision and VA characteristic check of each panel. The main contribution of this article is evaluation of the data from 15 years of operation. Dramatic change of state was identified between 2018 and 2019. Significant amount of panels shows already visible traces of degradation such as microcracks, hotspots and connection faults.
Evaluation and lmplementation of Energy Systems based on Wind Resources in Germany
Authors: G. Laine-Cuervo  , J.P. Paredes-Sanchez  , E. Fernández-Domínguez  , J.Xiberta-Bernat
Published: September 2020

The rising concerns over global warming, environmental pollution and energy security have increased interest in developing renewable and environmentally friendly energy sources such as wind, as the replacements for fossil fuels. Wing energy conversion systems have become the main point in the research of renewable energy sources. The Government of Germany has made a serious commitment to include wind energy in its future energy policy. The aim for the present work is to analyse the wind energy in Germany under of view. The results show the current situation and future perspectives of these sources by energy systems.
Cascaded Multilevel Converter as a Voltage Compensator
Authors: J. Iwaszkiewicz  , A. Muc
Published: September 2020

The paper presents a laboratory prototype of the three-phase voltage compensator with an energy storage based on supercapacitors. The system described is able to protect an isolated grid, e.g. in industry, against short voltage interruptions, dips and sags. An idea of a control method as well as a digital controller has been discussed. Experimental results are also included.
Cost-optimal configuration of a renewable-based Australian power system
Authors: Tino Aboumahboub  , Robert Brecha  , Himalaya Bir Shrestha  , Ursula Fuentes Hutfilter  , Andreas Geiges  , William Hare  , Matthew Gidden
Published: September 2020

Proposed emission reduction targets and the scarcity of fossil fuel resources make a transition of the energy system towards an emission-free electricity supply necessary. Australia represents an interesting case for energy system transformation modelling. While it currently has a power system dominated by fossil fuels, and specifically with a heavy coal component, there is a vast potential for expansion and use of renewable energy, in particular solar and wind energy. However, integrating high shares of such variable renewable energy sources challenges the power system due to their temporal fluctuations and geographical dispersion. This paper applies a state-resolved energy system model for Australia, based on linear optimization. We investigate the cost-optimal configuration of a renewable-based Australian power system and its transformation pathway inline with the ambitious proposed climate targets. We particularly analyze the implications of storage and power transmission grid extensions in a prospective, highly renewable Australian power system. Spatial smoothening effects of a powerful transmission grid reduces the required backup and renewable capacities and thus contributes to further reduction of the total system costs
Energetic and economic analysis of the Electric Vehicles charge impacts on public parking lots
Authors: E. Alcover  , V. Martínez-Moll  , V. Martínez-Moll  , M. Roca and V. Canals
Published: September 2020

This work addresses the energy and economic impact of electric vehicle (EV) charging services in public car parks; related to the evolution of EV penetration in the Spanish car fleet in the next 5 years. All this in the framework of the transition towards green and smart mobility. A statistical methodology has been developed to plan the number of EV charge stations to deploy in public car parks, estimate their energy demand (in minute intervals), and finally calculate the monthly energy costs. Specifically, this methodology is used to analyse the evolution of operating costs; as well as the investment costs due to the EV charging services of a public car park located in a centric area of Palma de Mallorca, Spain.
A comparative between IEEE and EN in the transformer derating when supplying nonsinusoidal load current. A practical case.
Authors: A. Laso  , R. Martínez  , M. Manana  , D. Cervero  , J.A. Sáez
Published: September 2020

Nowadays, power quality is a challenge for the distribution companies since the new energy policies are directed to a distributed generation system with power electronic based technologies. The reduction of distribution transformers capability when supplying nonsinusoidal load currents has a major impact within capacity reduction in distribution networks produced by technical losses. IEEE Std C57.110-2018, EN- 50464-3 and EN50541-2 define procedures to derate transformers when supplying nonsinusoidal load currents. The aim of this paper is to compare these procedures through a real case distribution transformer that suffers problems due to high levels of current distortion
Bio-inspired aerofoils for small wind turbines
Authors: R. Mulligan
Published: September 2020

This paper investigates the effectiveness of modifying the design of wind turbine blades for small wind turbines. Taking inspiration from nature, the two modifications explored were spanwise corrugations of the blades inspired by a dragonfly’s wing structure, and flexible blades inspired by the shape-morphing of birds and insect wings that adapt to the air conditions. Two types of corrugations were tested in a wind tunnel with the results that the corrugated nature appeared to have desired effects on delaying stall by 4° and reduced the detriment of post-stall behaviour. In addition, the corrugated skin displayed similar characteristics to the control aerofoil, with a small reduction in the peak lift to drag ratio of 7.3%. In the second section, a rigid turbine blade was compared a semi-flexible and fully flexible blade by altering the Young’s modulus using the QBlade simulation tool. Although, spanwise deflection was high in the flexible blade, a reduction in the peak stresses was shown.
TINJAUAN GAMBAR EKSPRESI OBJEK MANUSIA BERDASARKAN TEORI LOWENFELD MENGGUNAKAN KRAYON OLEH ANAK TK B METHODIST BERASTAGI
Authors: Sitepu Crosby , Azmi Azmi , Ibrahim Anam , Azis Adek Cerah Kurnia
Published: September 2020

AbstrakPenelitian ini bertujuan untuk mendeskripsikan kemampuan gambar ekspresi objek manusia dari indikator bentuk, warna, dan kerapian melalui menggambar menggunakan krayon yang dilaksanakan di TK B Methodist Berastagi berdasarkan teori Lowenfeld. Penelitian ini merupakan penelitian deskriptif kualitatif. Subjek penelitian ini adalah 3 peserta didik di TK B 3 Methodist Berastagi Kecamatan Berastagi Kabupaten Karo Provinsi Sumatera Utara. Objek penelitian ini yaitu kemampuan menggambar ekspresi. Metode pengumpulan data yang digunakan adalah observasi dan dokumentasi. Analisis data menggunakan teknik analisis deskriptif kualitatif. Hasil penelitian ini menunjukkan bahwa kemampuan menggambar ekspresi objek manusia dengan krayon berdasarkan teori Lowenfeld pada peserta didik di TK B 3 Methodist Berastagi adalah baik. Karakteristik gambar ekspresi karya peserta didik TK B 3 Methodist Berastagi telah memiliki konsep cerita sesuai dengan imajinasi dan juga sesuai dengan kedaan lingkungan sekitar mereka, seperti didalam ruang lingkup keluarga dan kelas mereka.  Kata Kunci: gambar, ekspresi, anak, TK, lowenfeld.AbstractThis study was designed to describe the ability of images that depict human objects from indicators of shape, color, and neatness through drawing using crayons conducted at Kindergarten B Methodist Berastagi through Lowenfeld's theory.This research is a qualitative descriptive study. The subjects of this study were 26 students at the Kindergarten B 3 Methodist in Berastagi, Berastagi District, Karo Regency, North Sumatra Province. The object of this research is the ability to draw expressions. Data collection methods used are observation and documentation. Data analysis uses descriptive qualitative analysis techniques. The results of this study indicate that the ability to draw human object expressions with crayons based on Lowenfeld's theory of students in TK B 3 Methodist Berastagi is good. Characteristic images of expression by Kindergarten B 3 Methodist Berastagi students have a concept of the story in accordance with the imagination and also in accordance with the circumstances of their environment, such as in the scope of their families and classrooms. Keywords: image, expressions, children, kindergarten, lowenfeld..
INOVASI PRODUK KRIYA DI BALI
Authors: Mudra I Wayan , Mahadi Mercu , Karuni Ni Kadek
Published: September 2020

AbstrakBali merupakan daerah destinasi wisata dunia yang dikunjungi wisatawan asing dari berbagai negara. Bali sebagai tujuan wisata menyediakan produk-produk kriya inovatif untuk disuguhkan kepada wisatawan asing dan wisatawan nusantara. Tujuan penelitian ini adalah untuk mendiskripsikan produk-produk kriya inovatif yang telah dihasilkan perajin Bali dalam memenuhi kebutuhan pariwisata. Penelitian ini merupakan penelitian sampel menggunakan pendekatan proposive sampling dan teknik pengumpulan data dilakukan dengan observasi, wawancara, dan dokumentasi. Dokumentasi juga dilakukan melalui media on line. Lokasi pengambilan sampel dilakukan tahun 2020 di beberapa tempat di Bali sesuai keberadaan subjek penelitian. Hasil penelitian menunjukkan produk-produk kriya inovatif yang dihasilkan perajin di Bali pada era global ini adalah produk-produk yang terbuat dari kayu, bambu dalam bentuk anyaman, logam, kain, dan keramik. Perajin melakukan inovasi produk dalam bidang bentuk, bahan, ornamen dan finishing. Inovasi yang dikembangkan perajin masih berakar pada budaya dan tradisi Bali, sehingga produk-produk kriya inovatif yang dihasilkan kental dengan identitas budaya lokal yaitu Bali. Peneliti berharap inovasi terus bisa dilakukan oleh perajin tanpa merusak akar budaya Bali, sehingga pelestarian budaya Bali tetap ajeg sepanjang masa.Kata Kunci: inovasi, kriya, perajin, bali, global.AbstractBali was a world tourist destination visited by foreign tourists from various countries. Bali as a tourist destination provides innovative craft products to be presented to foreign tourists and domestic tourists. The purpose of this research to describe the innovative craft products that have been produced by Bali craftsman in meeting tourism needs. This research was a sample study using a proposive sampling approach and data collection techniques carried out by observation, interviews, and documentation. Documentation also done through online media. Sampling locations were carried out in 2020 in several places in Bali according to the research subjects. The results showed that the innovative craft products produced by craftsman in Bali in this global era were products made from wood, bamboo in the form of woven, metal, fabric, and ceramics. Crafmans innovate products in the fields of form, materials, ornamentation and finishing. The innovations developed by craftsman ware still rooted in Balinese culture and traditions, so that innovative craft products produced are thick with local cultural identity, namely Bali. Researchers hope that innovation can continue to be carried out by craftmans without damaging the cultural of Bali, so that the preservation of Balinese culture remains unchanged for all time.  Keywords: innovation, craft, crafter, bali, global..
ORNAMEN MASJID ASASI SIGANDO KOTA PADANGPANJANG
Authors: Aryadi Mirda , S Asril , Yulika Febri
Published: September 2020

AbstrakMasjid Asasi Sigando menerapkan ornamen sebagai salah satu bagian dari bangunannya. Fungsi secara umum dari penempatan ornamen pada masjid Asasi sebagai penghias, hal ini juga berlaku pada bangunan yang khas Minangkabau lainnya. Penempatan ornamen pada masjid ini, hampir terdapat pada seluruh dinding luar. Ornamen yang diterapkan pada bagian dinding masjid seperti singok, pereang, papan banyak, papan sakapieng, dan salangko. Penelitian ini menggunakan metode penelitian kualitatif yang berifat deskriptif. Ornamen Masjid Asasi memiliki keindahan dari segi motif yang belum dikaji secara keilmuan. Pengumpulan data dilakukan dengan cara obervasi, wawancara, dokumentasi dan studi pustaka. Hasil tentang ornamen Masjid Asasi bahwa ide penciptaan motif ornamen berlandaskan pada bentuk alam seperti, tumbuhan, hewan, alam benda dan manusia. Selain itu penempatan masing-masing motif juga disusun pada bagian masjid yang memiliki nama tertentu.Kata Kunci: masjid asasi, ornamen, motif.AbstractAsasi Sigando Mosque uses ornaments as one part of the building. The general function of the placement of ornaments on the Asasi mosque as decoration, this also applies to other typical Minangkabau buildings. Placement of ornaments on this mosque, almost found on the entire outer wall. Ornaments applied to the walls of the mosque such as singok, pereang, papan banyak, papan sakapieng, and salangko. This research uses descriptive qualitative research methods. Asasi Mosque ornaments have beauty in terms of motifs that have not been studied scientifically. Data collection is carried out by means of observation, interviews, documentation and literature study. The result of Asasi Mosque ornaments is that the idea of creating ornamental motifs is based on natural forms such as plants, animals, natural objects and humans. In addition, the placement of each motif is also arranged on the part of the mosque that has a certain name. Keywords: asasi mosque, ornaments, motifs.
TINJAUAN KEMAMPUAN MENGGAMBAR MENGGUNAKAN POLA PADA ANAK DI TK B RA AL-FAZWA DELI SERDANG
Authors: Sari Fitri Puspita , Azmi Azmi , SND Raden Burhan
Published: September 2020

AbstrakPenelitian ini bertujuan untuk meninjau dan mengetahui kemampuan dan hasil karya anak dalam menggambar menggunakan pola di TK Al-Fazwa Deli Serdang. Metode penelitian yang digunakan yaitu metode penelitian Deskriptif Kualitatif. Populasi yang terdapat dalam penelitian ini sebanyak 3 karya hasil menggambar anak menggunakan pola. Sampel yang digunakan terdiri dari jumlah anak dalam kelas yaitu dengan menggunakan teknik total sampling yaitu teknik penentuan sampel yang menggunakan keseluruhan karya anak dalam kelas. Guna memperoleh data tinjauan tentang menggambar menggunakan pola di TK Al-Fazwa Deli Serdang. Setelah melakukan tinjauan langsung dan melakukan penelitian kepada anak-anak TK Al-Fazwa mendapatkan hasil karya dengan rata-rata nilai 78,00 dalam kategori penilaian karya B (Baik). Penilaian hasil karya pada objek fantasi hewan purbakala pada umumnya anak-anak dapat mengikuti teknik dan aturan dalam menggambar menggunakan pola dengan hasil akhir yang baik dalam indikator penilaian kerapian garis, perkembangan kognitif dan ketetapan garis dalam menggambar menggunakan pola.Kata Kunci: tinjauan, kemampuan, menggambar pola.AbstractThis research intend to review know the abilyty of children Deli Serdang using pattern. TK Al-Fazwa Deli Serdang method research used is Descriptive Qualitative population contained in this research as many as 4 result of the work drawing children using pattern. The sample to use consist the number of children, in one class that using the technic of total sampling that is technic sample. Using the every work of  the child in the class. Order to obtain data, review about drawing using the patterns. TK Al Fazwa, get the result of the work in the average 78,00 in category assesment work B (Good). Assesment of the result the work on objeck fantasy Ancient animals purbakala in general, children can follow the technic and arragement in drawing (picture) using patterns. With result in the and indicator assasment,neatness line expansion cognitive and decision line in drawing get pattern.  Keywords: review, ability, draw pattern
SULAM MOTIF FLORA DAN FAUNA DITINJAU DARI WARNA DAN KOMPOSISI
Authors: Dewi Aisyah Ratna , Soeprayogi Heri , Wiratma Sri
Published: September 2020

AbstrakPenelitian ini bertujuan untuk mengetahui ketepatan siswa dalam memilih warna dan komposisi yang sesuai pada karya sulam teknik sulam bebas dengan motif flora dan fauna. Adapun populasi yang digunakan dalam penelitian ini adalah seluruh siswa kelas VIII-7 SMP Negeri 16 Medan dengan sampel 3 karya siswa dengan teknik Cluster Random Sampling. Metode penelitian yang digunakan adalah deskriptif kualitatif dengan mendeskripsikan karya sulam yang diteliti dan dinilai berdasarkan unsur seni rupa yang telah ditentukan yaitu warna dan komposisi. Secara keseluruhan kemampuan siswa SMP Negeri 16 medan dalam praktik menyulam dikatakan Cukup Baik. Siswa sudah memiliki kemampuan dalam menyatukan  motif-motif  yang  akan disulam  dan   hasil sulamnya pun rata-rata sudah  mendekati kategori cukup.Kata Kunci: sulam, warna, komposisi.AbstractThis study aims to determine the accuracy of students in choosing the right color and composition in the embroidery work of free embroidery work of free embroidery techniques with flora and fauna motifs. As for the population used in this study were all students of class VIII-7 junior high school 16 terrain with a sample of 3 students’ work using a random sampling technique. The research method used is descriptive qualitative by describing the work of embroidery that is examined and assessed based on predetermined fine art elements, namely color and composition. As a whole the ability of 16 field students in the field of embroidery is said to be quite good. Students already have the ability to unify the motif to be embroidered and results of embroidery are on average already close to the sufficient category. Keywords: embroidery, color, composition.
MENGGAMBAR BENTUK MELALUI MEDIA VIDEO TUTORIAL DI SMP NEGERI 12 PEMATANGSIANTAR
Authors: Maulida Dinda , Saleh Khaerul
Published: September 2020

AbstrakPenelitian ini bertujuan untuk mengetahui hasil karya siswa yaitu dalam menggambar bentuk siswa kelas VIII SMP Negeri 12 Pematangsiantar berdasarkan prinsip-prinsip seni rupa. Objek yang digambar adalah guci. Adapun populasi dalam penelitian ini yaitu siswa kelas VIII SMP Negeri 12 Pematangsiantar sampelnya yaitu kelas VIII-I yang berjumlah 3 siswa atau 3 karya gambar bentuk melalu pembelajaran konvensional dan 3 karya gambar bentuk melalui pembelajaran media video tutorial, keseluruhan berjumlah 6 karya gambar bentuk. Menggunakan teknik Random Sampling. Penelitian ini menggunakan metode deskriptif kualitatif dengan mengetahui bagaimana hasil karya gambar bentuk siswa kelas VIII di SMP Negeri 12 Pematangsiantar terlebih dahulu, mendeskripsikan gambaran yang diteliti dan dinilai berdasarkan prinsip-prinsip seni rupa yang telah ditentukan. Pengaruh yang terdapat dari kedua metode ini banyaknya siswa yang mendapatkan nilai baik dengan mengunakan metode pembelajaran melalui media video tutorial.Kata Kunci: menggambar bentuk, video tutorial.AbstractThis study aims to determine the resulis work in drawing the shape of the grade VIII students of smp negeri 12 Pematangsiantar based on the principles of fine art. The object drawn is urn. The population in this research is all students of class VIII SMP Negeri 12 Pematangsiantar sampel is a class VIII-I which amounted to 3 studdents or 3 of the image form through convensional learning and 22 of the image medium of video tutorials, the overall amounted to 6 the work of the image shape. Using the technique of Random Sampling. This research uses qualitative descriptive method to find out how the image works from the students of class VIII in SMP Negeri 12 Pematangsiantar first, describe the image under study and assessed based on the principles of fine art that has been set. The influence of the contained of of both of these methods the number of students who get good grades with the use of method of learning through video tutorial.Keywords: drawing shapes, tutorial video.
Halau Jerebu Asap: Kebijakan dan Gerakan Pro-Keadilan Lingkungan
Authors: Sidabalok Hotmauli
Published: September 2020

ABSTRACT: The forest fires in Indonesia already become the chronical annual issue. Beside the climate change, there are some influence factors for this issue. First is the unequal policy which stands for the oil plantation industry. Second is government has multi interpretation to consider this issue as a disaster. Third is the weakness of stakeholders to protect forest and environment. Those three factors are analysed by using the environmental justice and the movement to protect environmental concepts. This article describes some causal factors to environmental injustice on smog disaster, the efforts to minimize disaster and environmental justice movement. The movement does not only to protect human being but also the environment. The experience and awareness to the smog become the momentum for the environmental justice movement in Indonesia.Keywords: The smog, environmental justice, and environmental justice movement  ABSTRAK:  Kebakaran hutan di Indonesia telah menjadi masalah menahun yang berulang kambuh bak penyakit kronis. Selain perubahan iklim, ada beberapa faktor yang mempengaruhi tidak tuntasnya masalah ini.  Kebijakan pemerintah yang berpihak pada sekelompok orang menjadi faktor pertama, diikuti multitafsir pemerintah yang mengganggap kondisi ini sebagai bencana dan lemahnya kesadaran pemangku kepentingan terhadap upaya perlindungan hutan dan lingkungan. Ketiga faktor ini akan dianalisis dengan menggunakan konsep keadilan lingkungan dan gerakan perlindungan lingkungan.  Tulisan ini memaparkan berbagai penyebab ketidakadilan lingkungan bencana kabut asap, upaya-upaya meminimalkan bencana serupa di masa mendatang serta gerakan keadilan lingkungan yang tidak hanya memberi perlindungan pada manusia tetapi juga perlindungan terhadap lingkungan. Pengalaman dan kesadaran terhadap bencana kabut asap di negeri ini,  seharusnya menjadi momentum memunculkan gerakan lingkungan. Tujuannya adalah untuk menyelamatkan manusia dan hutan dengan mempengaruhi berbagai kebijakan pemerintah yang selama ini sangat berpihak pada industri dan perkebunan kelapa sawit. Kata-kata kunci: kebakaran hutan, keadilan lingkungan dan gerakan perlindungan