bluuebunny/crossref_metadata_2025 huggingface dataset:
ANALISIS PENGGUNAAN DDC PADA SISTEM HVAC UNTUK MENINGKATKAN PENGHEMATAN KONSUMSI ENERGI DI HOTEL LANGHAM DISTRICT 8 SCBD JAKARTA
Authors: Hadi Chandra Wibisana , Swamardika I.B Alit , Maharta Pemayun A.A Gede
Published: February 2023

Heating System, Ventilanting and Air Conditioning (HVAC) or air conditioning systemsbecome one of the needs in high rise buildings in order to increase comfort in the room,differences in the level of comfort of each individual makes the HVAC system changes in loadpatterns that can result in wasteful use of electrical energy. This study aims to determine thesavings in the use of electrical energy with the use of DDC in the HVAC system at the Langhamhotel. DDC can regulate HVAC system supporting devices such as cooling towers, condenserwater pumps, chilled water pumps and chillers that aim to reduce the performance of the chillersso that energy savings are obtained. By using 2 work operation methods, the results of thecalculation of energy use obtained at the side of the chiller Langham hotel, with manualoperation without the use of DDC obtained a total consumption cost of IDR 3,409,290 andautomatic work operations using DDC obtained a total consumption cost of IDR 2,601,990 sothat it is obtained saving percentage of 24%.
STUDI ANALISIS SETTING FILTER AKTIF TERHADAP PENINGKATAN KUALITAS DAYA LISTRIK DI GEDUNG PERKULIAHAN FAKULTAS TEKNIK UNIVERSITAS UDAYANA JALAN PB SUDIRMAN
Authors: Yogadipha Bagas I Gede Dyotha , Rinas I Wayan , Arta Wijaya I Wayan
Published: February 2023

Harmonics are disturbances in the electric power system in the form of distortions incurrent and voltage waves caused by the formation of waves with a interger multipliedfrequency of the fundamental frequency. Total Harmonic Distortion (THD) is the amount of theeffective value of waves affected by harmonics that affect the occurrence of electrical powerlosses. This study discusses the analysis of current THD in the lecture building at the Faculty ofEngineering, Udayana University, Jalan PB Sudirman. The simulation is carried out underexisting conditions and when operating an active filter will show the results of the THD currentthen adjusted to the IEEE 519-2014 standard. Then an analysis of power losses due toharmonics is performed. THDi in the existing conditions for phase R = 15.44%, S = 15.6%, andT = 11.42% while the active filter operation is at phase R = 2.41%, S = 2.69%, and T = 2.99%.Power losses due to haronisa interference under existing conditions were 12,6 % and on theactive filter operating conditions were 0,037 %.
DESAIN SISTEM OTOMATISASI POMPA MENGGUNAKAN PICOBOX DI PDAM KOTA DENPASAR
Authors: Uki Atmaja Dewa Gede , Indra Partha Cok Gede , Dyana Arjana I Gede
Published: February 2023

One of the uses of water resources can be done through the Regional Water Company(PDAM). Equipment needed in a water supply system that uses wells as a source of waterinclude well pumps, booster pumps, and pump control systems so that the pumps can workeffectively and efficiently. The Operation and Maintenance Section is still using a manualsystem in carrying out its duties by coming to the location and immediately conducting aninspection. This study designed a pump automation system with Aplus Massenger picobox toolusing an SMS service. The pump automation system consists of a series of microcontrollers,GSM modules, RTC modules, and electric current sensors. SMS information on the value of theload current at the distribution substation is sent by the pump automation system according tothe sensor reading information and the time information set on the system. The load currentnotification system can provide an SMS warning of a disturbance of the load current at thedistribution substation. This pump automation system is carried out in the Treatment Room ofthe Water Treatment Pump Distribution Unit in the Denpasar City PDAM, with the result of anSMS reply in the form of "load current: 30-10-2019” is R = 64 Amperes, S = 63 Amperes, T = 64Amperes to receive the information about the value of the load at the distribution substation.
RANCANG BANGUN PROTOTIPE SISTEM PENDETEKSI ASAP ROKOK BERBASIS MIKROKONTROLER MENGGUNAKAN SENSOR MQ-2 DILENGKAPI DENGAN EXHAUST FAN
Authors: Intania Paramitha1 Ida Ayu Putu , Diafari Djuni IGAK , Setiawan Widyadi
Published: February 2023

This research is conducted to detect cigarette smoke based on a microcontroller usingMQ-2 sensor equipped with an exhaust fan. This system has three status namely good smokelevel, moderate smoke level and unhealthy smoke level. The concentration of smoke detectedcan be monitored by a smartphone, in which the system will send a message via telegramwhen the room is detected by cigarette smoke. Based on the research that has been done, thesystem made has been able to send the smoke concentration data to telegram, the detectedsmoke concentration level and turn on the buzzer and the DC Fan when the smokeconcentration status is in moderate level around 100 - 400 ppm and in unhealthy level around> 400 ppm. Furthermore, it has been also able to send the comparison of energyconsumption, when both of the fans are off, the energy consumption is 2.42 Wh, and whenboth of the fans are on, then the energy consumption is 9.44 Wh.
RANCANG BANGUN PERTANIAN STROBERI BERBASIS INTERNET OF THINGS
Authors: Leo Puja Artana I Komang , Wiharta Dewa Made , Linawati Linawati
Published: February 2023

Technological developments have been utilized in various fields of science, includingagriculture. Technology support in agriculture has been proven to be able to provide betterproduction results. In this study, an IoT-based agricultural environmental monitoring systemwas developed. The system was built using Raspberry Pi as a microcontroller and dataprocessing center, equipped with a moisture sensor and a DHT 11 temperature sensor. Thissystem was applied to a laboratory-scale strawberry farm. The system works automatically toregulate the temperature and humidity of the plant environment. If the temperature andhumidity of the strawberry plants do not meet the standards, the pump will automatically waterto keep the strawberry plants at the appropriate temperature and humidity. The system is alsoequipped with a notification feature so that strawberry farmers can obtain information throughtelegram media when the temperature of the strawberry plants is hot and the soil of thestrawberry plants is dry. This tool is also equipped with a webcam camera as an additionalfeature that serves to detect the level of ripeness of the strawberries in terms of the color of thefruit. The camera will detect the color of the strawberry, and if the strawberry is red, thestrawberry is categorized as ripe, and the farmer will get a notification via telegram in the formof a picture that the strawberry is ready to be harvested.
PERANCANGAN SISTEM PENGUNCIAN RODA SATU ARAH UNTUK MENGEMUDIKAN KENDARAAN RODA EMPAT DI JALAN MENANJAK
Authors: Helmahera Doni , Wiharta Dewa Made , Suartika I Made
Published: February 2023

Handbrake of a vehicle is the most important thing in a safety system in maintaining theposition of the vehicle in its stop position. The hand brakes function to brake or lock the rearwheels mechanically through the connecting rods and cables. The hand brake is also to parkthe vehicle on a down/climb road. In order to facilitate the ability of four-wheeled vehicles whenstopping on the ramp due to traffic jams, a special wheel locking system is used on the ramp. Ina one-way wheel shooting system when a four-wheeled vehicle stops on the ramp, the systemlocks the wheel when the wheel rotates slightly backwards without having to pull the handbrakelever. Therefore, this research aims to describe how the work of the one-way wheel lockingsystem when on the ramp of a four-wheeled vehicle. At the design of this system researchersmake prototype as a simulation system that is approaching similar to the shape of componentsof a four-wheeled vehicle. Researchers perform test system work when the prototype movesforward and backwards to find out if the system is capable of locking the wheels when the moveis backward and release the locking wheel when moving forward without using the hand brake.Using a one-way wheel locking system is expected to facilitate the driver in driving four-wheeledvehicles on the ramp without having to use the hand brake.
KARAKTERISTIK KINERJA PROTOTIPE TURBIN SNAIL-LIE PADA PEMBANGKIT LISTRIK TENAGA MIKRO HIDRO
Authors: Siwa Puja Bujawan I B GD , Jasa Lie , Wijaya IWA
Published: February 2023

The use of electrical energy is getting bigger along with the increasing population growth and variousfacilities that depend on electrical energy. However, the availability of electricity from PLN is notsufficient to meet the needs of the Indonesian people. Therefore, it is necessary to conduct researchon the utilization of potential renewable energy sources which are widely owned by our country,Indonesia, one of which is river flow and irrigation canals. For this solution, a PLTMH (Micro HydroPower Plant) is made, a small-scale power plant that uses hydropower as its energy source. Thepurpose of this study was to determine the performance characteristics of the prototype Snail-Lieturbine at MHP. The research method used is first to look for data by studying literature related toMHP and existing Micro Hydro Power Plant prototypes, secondly collecting data by observing anddirectly testing the parameters on the prototype of the Power Plant. Micro Hydro Power. This researchwas conducted to determine the characteristics of the Snail-Lie turbine prototype at a Micro HydroPower Plant, namely by measuring parameters based on the angle of the nozzle and nozzle armssuch as the turbine rotational speed, the rotational speed of the generator produced by the turbine,the resulting current and voltage then calculating the power from the turbine which has the highestrotating speed. The conclusion that can be drawn from the results of the measurement of theparameters is that the Snail-Lie type turbine the larger the nozzle arm angle, the faster the rotationspeed of the turbine and generator. The faster the speed of the turbine, the greater the current andvoltage generated. The faster the rotation speed of the turbine, the greater the torque produced.
PENGARUH SUDUT BUKAAN GUIDE VANE DAN TEKANAN AIR TERHADAP KECEPATAN PUTAR DAN DAYA OUTPUT PADA PROTOTYPE PEMBANGKIT LISTRIK TENAGA MIKROHIDRO DENGAN TURBIN CROSSFLOW
Authors: Arta Wijaya I Wayan , Dwi Mertadiyasa I Made , Suartika I Made
Published: February 2023

The pattern of power plants development in Indonesia is still relying on the availability of fossilfuels based energy sources. Meanwhile, Human are faced with a situation of depleting reserves offossil energy sources and increasing environmental damage due to the use of fossil fuels basedenergy sources. Renewable Energy development can be a solution to these problems. One of them isthe development of a Micro Hydro Power Plant. In the realization of Micro Hydro Power Plant inIndonesia, the crossflow water turbine type can be used. It is a type of impulse turbine with a goodcharacteristic at a low head for micro-scale generator capacity. This study analyzes the effect of guidevane opening angle and water pressure on rotation and output power of crossflow turbine. Theopening angle of the guide vane studied was 15º, 30º, 45º, 60º, 75º, and 90º in each water pressurecondition of 4 psi, 8.5 psi and 13 psi. The test is carried out by simulating direct measurements on theprototype of the Micro-hydro Power Plant that has been built. Every combination of parameterstested, the maximum value of rotational speed and output power is obtained at the guide vaneopening angle of 30º and water pressure of 13 psi. Turbine rotation values generated before and aftercoupled with a generator are 591.9 rpm and 522.7 rpm. The values of the generator rotation beforeand after the load coupled are at 3490 rpm and 2368 rpm. And the power value generated by thegenerator is 11.8 Watts.
RANCANG BANGUN PROTOTYPE PEMBANGKIT LISTRIK TENAGA MIKRO HIDRO MENGGUNAKAN TURBIN CROSS-FLOW
Authors: Andrean Wiranata I Putu , Janardana I Gusti Ngurah , Arta Wijaya I Wayan
Published: February 2023

Many hydropower plants today are built on a large scale. Meanwhile, the construction of thislarge-scale power plant requires a very large area and a very high head. This has an impact onthe difficulty of distributing electrical energy to remote areas, on the other hand, there are stillmany small rivers in remote residential areas that have not been fully utilized as an alternativeto potential sources of electricity generation. So to overcome this, through this research aprototype Micro Hydro Power Plant (PLTMH) was made using a Cross-Flow turbine which ofcourse can be applied to rivers that have a fairly low flow and head. In this study, the results ofthe calculation of the PLTMH prototype parameters with a Cross-Flow Turbine were designedat an effective head of 6 meters. The design of the Cross-Flow Turbine uses a runner outerdiameter of 0.15 meters, a runner inner diameter of 0.10 meters, and the number of blades is18. The test results obtained 574,6 rpm of turbine rotation before coupled with the generator;489 rpm rotation of the turbine after coupling the generator; 3309.2 rpm of turbine rotation,36.52 V output voltage at no load, and 386.4 rpm maximum turbine rotation; 2584.4 rpmmaximum generator rotation; 28.18 V maximum output voltage; 0.422 A maximum outputcurrent; 10.59 Watts of maximum output power; 0.312 Nm of maximum torque; 8,026%maximum efficiency at load.
ANALISIS PENGARUH PENGATURAN DAYA REAKTIF UNTUK FILTER HARMONIC TERHADAP PERUBAHAN THDi PADA SISTEM TENAGA LISTRIK
Authors: Rinas I Wayan , Maharta Pemayun A. A Gede , Suartika I Made
Published: February 2023

Harmonic filters are used to reduce harmonic distortion in electric power systems. Inactive filters, usually the required reactive power (Qc) can be adjusted. In this study, an analysisof the Qc setting on the Active filter was carried out to determine the effectiveness of the filter sothat the THDi (total harmonic distortion) was obtained which was in accordance with the IEEE519-2014 standard (8%). The results of the analysis of the smallest Qc which can still reduceharmonic distortion when meeting the IEEE 519-2014 standard is Qc 55% of the maximumreactive power with THDi for pasa R = 7.38%; S = 7.81%; and T = 5.94%. Control is needed toadjust the Qc on the filter, because the Qc value will continue to change according to theelectric load being operated.
ANALISIS DESAIN DAN PERHITUNGAN LAMPU PENERANGAN JALAN BERBASIS KENYAMANAN DAN KEAMANAN
Authors: Wijaya I Ketut , Mataram I Made
Published: February 2023

Street lighting is installed for the benefit of the community to help build a creativeeconomy. Street lights in the government's effort to create creativity help the family economy.The method used is counting the number of lights used on the road with a distance of 1500meters and giving road users a questionnaire of comfort and safety. Street lighting is analyzedin an egonomic way to achieve effective, comfortable, safe, healthy and efficient work. Theresults obtained are the light intensity of 12.799 Lux (fulfilling SNI-2008) and the comfort andsafety of 11.067 and 10,300 likes after improving conditions.
RANCANG BANGUN PROTOTYPE PLTMH DENGAN TURBIN PELTON SEBAGAI MODUL PRAKTIKUM
Authors: Andhita Mahayana I Gusti Putu , Jasa Lie , Janardana I Gusti Ngurah
Published: February 2023

Learned about the use of water resources as a micro hydro power plant is very importantto be carried out by Electrical Engineering students at Udayana University. At this time atConvertion Energy Laboratory there was not been a practicum about Mycro Hydro Power Plandue to the unavailability of guide practicum module and micro hydro power plant prototypes.Therefore in this research was design and build a Prototype of Microhydro Power Plan wich had18 buckets where had 5 cm width, 4,47 cm length, 1,6 height and the tickness was 0,28 cm.This prototype can made 4,5 L/s water discharge, 9,809 W Power, and the torque was 0,26 Nm. So that prototype had 1,48% efficiency. To make this prototype as a complete practicummodule was arranged practicum guide modules that was explain abaout Characteristic of MicroHydro Power Plan with Pelton Turbines.
AUGMENTED REALITY HYDRANT PEMADAM KEBAKARAN BERBASIS ANDROID
Authors: Sintya Dewi Putri , Sudarma Made , Care Khrisne Duman
Published: February 2023

Augmented Reality (AR) is a technology used to display a 3-dimensional animatedobject with marker as a medium for displaying 3-dimensional animation in real time. AugmentedReality Hydrant for Fire Extinguishers Based on Android is an application used for learningmedia in the introduction of fire extinguishers with the aim of making it easier for the public orfirefighters to find out their form and function through this application. The Fire ExtinguisherHydrant Augmented Reality application is made in several stages, namely identifying problems,determining goals and objectives, analyzing needs, designing systems, designing designs,making systems and testing systems. This Android-based Augmented Reality Hydrant candisplay several Hydrant objects or Fire Extinguishers and display information about theseobjects.
DESAIN PROGRAM SIMULASI PENERAPAN KODE BOSE CHAUDHURI HOCQUENGHEM PADA DIRECT SEQUENCE SPREAD SPECTRUM
Authors: Ullum Azhari M. Husnul , Pramaita Nyoman , Diafari Djuni H I Gst A. Komang
Published: February 2023

This study proposes a design of simulation program for implementing Bose ChaudhuriHocquenghem (BCH) code on Direct Sequence Spread Specterum (DSSS) to knowing theperformance of the effect of DSSS with flat fading channel and AWGN without BCH code (7,4)with the application of BCH code (7,4) on DSSS with flat fading and AWGN channel. Thissimulation consist of simulation of BER application of BCH code (7,4) on DSSS with flat fadingand AWGN channel, simulation of BER application code BCH (7,4) on DSSS with AWGNchannel, simulation of the effect of Eb/No on noise variance in the DSSS system, and BERsimulation as a function of noise variance on the DSSS system. Simulation of application BCHcode (7,4) on DSSS with flat fading and AWGN channel analyzed based on Bit Error Rate(BER) versus Energy Bit per Noise (Eb/No). The application of BCH code (7,4) on DSSS withflat fading channel and AWGN shows better performance than DSSS with flat fading channelsand AWGN without BCH coding (7,4). On the Eb/No value 10 dB, simulation application BCHcode (7,4) on DSSS with flat fading channel and AWGN generate BER value which isapproaching 0 with BER value 0.0188, while the DSSS simulation with flat fading channel andAWGN without BCH code (7.4) generate a BER value of 0.0228.
MODUL PRAKTIKUM JARINGAN EIGRP
Authors: Mulyadharma Weking Marcus , Sudiarta Pande Ketut , Ardana I Putu
Published: February 2023

Writing a thesis report with the title EIGRP Network Practicum Module aims to increase theknowledge and skills of Udayana University Electrical Engineering students, especially thosewho concentrate on Telecommunication Engineering and Multimedia Networks in managing theEIGRP network and this thesis is also the requirements for graduation from the final level ofundergraduate or S1 lectures. The lack of learning media related to this protocol makes itdifficult for students to understand how the EIGRP dynamic route protocol works. It is importantto learn the EIGRP dynamic route protocol because it is useful in managing building-scalenetwork routes and between buildings. The EIGRP experiments carried out in the practicummodule are divided into several variations with the general purpose of understanding how theEIGRP protocol works, configurations, and variables. This practicum also contains how EIGRPworks using metrics as a benchmark in determining the best possible route along with analyzingmetrics using mathematical equations. The EIGRP network practicum module has been testedon 10 practitioners who are selected students on the condition that these students have studiedand mastered network fundamentals and routing concepts in the Telecommunication NetworkEngineering course. Practical activities in the sequence are working on preliminary reports, pretests,practical module experiments, final reports, questionnaires, and post-tests. In generalterms, this practicum module is deemed capable of increasing the understanding of thepractitioner regarding the EIGRP protocol. The work stages in this practicum module are easyto understand and follow by the practitioner. 7 out of 10 practitioners strongly agree if theEIGRP network practicum module applied to the Telecommunication Network Practicum Course.
ANALISA UNJUK KERJA MOTOR INDUKSI 3 PHASA TERHADAP PENGARUH HARMONISA (THD) DENGAN PENAMBAHAN FILTER AKTIF MENGGUNAKAN MATLAB
Authors: Duarsana I Nyoman , Rinas I Wayan , Arta Wijaya I Wayan
Published: February 2023

Operating non-linear loads can cause harmonic distortion, one of which is aninduction motor. Harmonics can cause the system power quality content level to become worse.One way to reduce harmonics is with an active filter. Theemethodduseddin thissresearchhisstheSimulink method in Matlab. The addition of an active filter aims toreduceetheeharmonicccontent in thennetwork in order toosee theeeffect ofhharmonics ontttheperformanceeeof the 3 phase induction motor on rotation and torque. The results of simulationanalysis using Matlab show that active filters can reduce the harmonic content in the networkcompared to networks without using active filters. The decrease that occurred in THDI was11.88% in the Rrphase, 11.87% in theeSsphaseaand 11.88% in the Ttphase with a load of 3motors. There is no change in motor performance at rotation and torque, namely the rotation of1498 Rpm and torque of 0.4682 Nm.
SISTEM PENYIRAMAN OTOMATIS MENGGUNAKAN RTC (REAL TIME CLOCK) BERBASIS MIKROKONTROLER ARDUINO MEGA 2560 PADA TANAMAN MANGGA HARUM MANIS BULELENG BALI
Authors: Rahardjo Pratolo
Published: February 2023

Along with technological developments, various technological innovations have begunto emerge that can be applied to facilitate individual or group work. One of them is the use ofappropriate technology, namely the use of technology in a field that can provide real benefit.Researchers designed an automatic watering system using RTC (Real time clock) based on theArduino Mega 2560 microcontroller. This watering system works automatically based on aspecified watering schedule according to the user's wishes. Users can set the watering timeeasily because the system is equipped with a keypad. Based on the results of tests carried out,the watering process occurs, when the time displayed on the LCD is the same as the timesetting given. Long watering duration of approximately 1 minute.
PENGEMBANGAN MODUL PRAKTIKUM UNTUK PERBANDINGAN UNJUK KERJA LINE CODING RZ DAN NRZ PADA JARINGAN FIBER OPTIK
Authors: Aldha Rasjman Sayoga I Putu , Sudiarta Pande Ketut , Putra Sastra Nyoman
Published: February 2023

The important thing to consider in the process of sending optical fiber network signals is theselection of line coding types. Line coding is a process of converting digital data into digital signals sothat they can be transmitted in optical fiber networks. Line codings commonly used are NRZ and RZ.Therefore, this research discussed the comparison of the performance of NRZ and RZ line codings infiber-optic networks in terms of Q-Factor, BER, and Eye Diagram. The result of this research was thecharacteristic form of the electric signal line coding NRZ with one data element using one signalelement, while in the RZ coding line, one data element used two signal elements. The maximum risetime variable using the RZ coding line is 0.3 bits, while the NRZ coding line is 0.7 bits. The bestrectangle shape model using line coding RZ is sine while line coding NRZ is exponential. Themaximum bit rate using the RZ coding line is 11.5 Gbps while using the NRZ coding line is 18 Gbps.The maximum transmission distance using the RZ and NRZ coding line is 75 km. Another output ofthis research is a practicum module that can be used by students of the Electrical Engineering StudyProgram to understand optical communication systems, especially line coding RZ and NRZ. Based onthe results of student assessments of 87.6% and the post-test score which is higher than the pre-testscore, the practicum module is feasible as teaching material.
PEMANFAATAN UDARA BUANG EXHAUST FAN UNTUK PEMBANGKIT LISTRIK TENAGA BAYU DENGAN PENGARUH PENAMBAHAN HONEYCOMB BERBASIS ATMEGA 2560
Authors: Kusuma Wardhana Yoga , Indra Partha Cok Gede , Sukerayasa I Wayan
Published: February 2023

Energy needs are increasing from year to year in line with the increasing population,economic growth, and high energy consumption. More than 86% of the world's energy todaycomes from fossil fuels, while the world's energy demand is increasing. One of theconsiderations for overcoming pollution caused by fossil fuels is to seek alternative energysystems. More than 90% of the energy that affects greenhouse gas emissions is the result ofburning fuels globally. Exhaust Fan is a good system for wind power extraction. This air exhaustsystem is suitable for power plants with wind turbines as a drive where the resulting wind speedis higher and consistent when compared to natural wind, but has turbulent characteristics. Thiswind is not good for the wind turbine. A honeycomb is a tool used to reduce this turbulentcharacteristic. The results obtained by the addition of a hexa type Honeycomb to the exhaustfan with a speed of 6m/s using a savonius type turbine, there was a decrease in turbine speedwhich was previously unstable between 952 to 1007 rpm to 866 rpm and the generator outputpower decreased by 0.3 watts. The addition of Honeycomb makes the turbine rotate speedstable at 866 rpm and the wind flow becomes laminar.
IMPLEMENTASI KAMERA PEOPLE COUNTING PADA TEMPAT IBADAH DALAM UPAYA MENCEGAH PENYEBARAN COVID-19
Authors: Acarya Mordekhai Karang M , Oka Widyantara I M , Diafari Djuni H I G A K
Published: February 2023

The COVID-19 pandemic results in activities that are actually being carried out oreliminated. The government has made efforts to keep activities running, one of which is bylimiting the number of congregations attending to a maximum of 20% (twenty percent) of theroom capacity and no more than 30 people. To be able to find out the number of congregantspresent in a building, a HIKVision People Counting Camera is used which is able to calculatethe rate of people entering a building. The use of the People Counting Camera is expected to beable to control the number of congregants who attend. The ability of this camera is expected tobe able to control the number of congregants who attend places of worship so that worship cancomply with proper health protocols.
RANCANG BANGUN PROTOTIPE PEMANTAU KEBOCORAN GAS MENGGUNAKAN SENSOR MQ-6 BERBASIS NodeMCU 8266
Authors: Praja Dwitama Anandita , Janardana I Gusti Ngurah , Arta Wijaya I Wayan
Published: February 2023

Liquefied Petroleum Gas (LPG) leak detection and monitoring system is a step to anticipatethe danger of gas leaks. BPBD data for 2016 - 2020 fires due to LPG gas leakage are 50 cases,handling is still manual. The design of this prototype uses the Arduino NodeMCU 8266 module as themain controller. The sensor used by the MQ-6 sensor is suitable for detecting propane and butanegas in LPG. In order for the sensor to work optimally the sensor is set at a distance of 10 cm from thegas source. The prototype uses a solenoid valve which is a valve controlled with AC or DC electriccurrents through the selenoids. Buzzers and notifications via the telegram application complement theoutput of the prototype if a gas leak is indicated. The duration of the notification is sent depending onthe signal strength of the WiFi / provider used, while the duration of the buzzer sounds as long as thedetected gas level exceeds the value of the sensor set. The results achieved in the study, namely thegas leak monitoring prototype using the MQ-6 sensor based on NodeMCU 8266 was very effective.MCU node 8266 can be used to open / close valve electronics automatically. The ideal distance toread the gas leak smoke is 10 cm. The time the notification is sent depends on the signal strength ofthe WiFi / provider used, in this study it was found 80-92 dbm, the duration of the buzzer sounded aslong as the gas level was detected more than 200 ppm.
STUDI KOORDINASI OCR DAN GFR SALURAN DISTRIBUSI PENYULANG SANDA UNTUK MENINGKATKAN KONTINUITAS PELAYANAN
Authors: Aras Widya Pratama I Putu Gede , Dyana Arjana I Gede , Indra Partha Cok. Gede
Published: February 2023

The Sanda feeder is supplied by Antosari Substation through transformer unit II and ithas 3 reclosers, they are pempatan recloser,bangsing recloser and palisan recloser. Based onthe 2017 disturbance fault recapitulation data from PT PLN (Persero) Bali, it has been phasephaseand 1-phase ground short circuit in Sanda feeders almost every month. One of theproblems that often occurs in Sanda Feeders is when a phase-phase and 1-phase ground faultoccurs at the end of the feeder network and causes simultaneous trips to the recloser at thebase of feeder network, causing the Sanda feeder relay to blackout. This shows the systemneed to analyze the evaluation of the coordination settings for the OCR and GFR protectionsystem on the recloser and Sanda Feeder relays to minimize disturbances so as to improveservice continuity. The analysis and simuation results represent that, the existing settingconditions of OCR and GFR has coincide coordination curves and the grading time is still below0.3 seconds. The calculation and simulation of OCR and GFR that are carried out show that theprotection system works selectively in the absence of coincide coordinating curves and a timegrading value above 0.3 seconds according to the IEC 60255 standard.
SISTEM NOTIFIKASI SWITCH BERBASIS TEKNOLOGI WIRELESS
Authors: Jessica Indrayani Janice , Nyoman Pramaita Nyoman Pramaita , Oka Widyantara I Made
Published: February 2023

This research develops a remote switch notification system by utilizing radio waves. This system will usethe RF433 module and RF315 module as the transmission medium, the HT12E module as the encoderand the HT12D module as the decoder. The working principle of the system is that the sending partsends a signal when the voltage is applied via a push button, then the switch is sent to the part of theroom and activate the relay. Then in the relay there is also an encoder that will recode the data on therelay that the relay is active and resend the data to false senders so that the LED as notification will turnon. Based on the test results it is known that the remote switch notification system that has beendesigned is able to turn on and turn off the relay and also be able to transmit the notification properly.
STUDI PENGARUH PEMASANGAN SPIKE UNTUK MELINDUNGI SALURAN DISTRIBUSI TEGANGAN MENENGAH PADA PENYULANG BUDUK
Authors: Dodik Darma Putra I Kadek , I Gede Dyana Arjana I Gede Dyana Arjana , Rinas I Wayan
Published: February 2023

Buduk feeder is a 20 Kv medium voltage distribution system that gets power supplyfrom the ship's substation and crosses large coastal areas and rice fields and is prone to naturalphenomena such as lightning. During 2018 there were 3 lightning disturbances. Based on thesedata, it is necessary to analyze the distribution channel failure at Buduk feeders, so thecontinuity of the distribution channel can be better. The performance of the Spike System iswhen a lightning surge occurs on the distribution channel, the Spike System directly transmitsthe lightning strike to the ground. Based on the data analysis, it is necessary to add a Spikeprotection system to the Buduk Feeder to maintain the continuity of electric power.The methodused in this research is to collect data in the form of a single line diagram, disturbance data dueto lightning strikes at Buduk feeders. Next, compared the Buduk feed line before Spikeinstallation and after spike installation. First, analysis of technical data and the channelperformance before spike installation. Second, proceed with channel analysis after theinstallation of the Spike. Third, to analyze the causes of failure due to lightning strikes on thefeeders. The results obtained after the installation of the Spike system, the number ofdisturbances due to lightning surges, both induction and direct strikes, decreased in 2019 withthe number of interruptions one time.
RANCANG BANGUN AKUAPONIK BERBASIS INTERNET OF THINGS
Authors: Kris Widiantara I Made , Linawati Linawati , Wiharta Dewa Made
Published: February 2023

Currently technology is growing so that many tools are created, especially reforms inagriculture. Aquaponics is a combination of hydroponic and aquaculture techniques intoaquaponics techniques. This aquaponics technique only uses water as a growing medium.Cultivating aquaponics does not require a large area of land, it can be done in the yard of ahouse that does not have a large area. Currently aquaponics techniques have developed,especially in modern agriculture because this aquaponics technique will use an Internet ofThings (IoT) based system. Internet of Things (IoT) is a concept in which the virtual world of information technology blends with real objects in the real world. In other words, the Internetof Things (IoT) is a concept which aims to expand the benefits of continuously connectedinternet connectivity. This system is built using the Node Mcu Esp8266 microcontroller as thecontrol center and uses the Raspberry Pi 3 type B mini PC as visual notification and is equippedwith a pH sensor 4502C, DS18B20 temperature sensor, Servo Motor, SRF05 sensor. A plantcommonly used in aquaponics is pakcoy, which is one of the most widespread vegetables inAsia. While the fish used in aquaponics techniques are freshwater fish, one of which is parrotfish. In testing the pH sensor is carried out with 3 conditions, namely when the pH is normal,acidic and alkaline on the sensor test detects normal pH, acid and alkaline approaching theresults of the pH meter comparison tool, then the water level test is carried out with 2 conditions,namely when the water is normal and reduced by using a ruler comparison tool, where thesensor has a little detecting error, on testing the water temperature sensor using a thermometercomparator has an error detecting the state of the aquaponic water temperature. When testingthe chat feature is done by typing / getdata, the application will send a chat with sub watertemperature, water level, water pH, then testing the camera feature is done by typing /getpHoto, the application will send a picture of the condition of the aquaponics.
PERENCANAAN SISTEM TATA UDARA RUANG OPERASI DI RUMAH SAKIT IBU DAN ANAK PURI BUNDA TABANAN BALI
Authors: Kade Suwiherawan I Gusti Ngurah , Dyana Arjana I Gede , Indra Partha Cok Gede
Published: February 2023

The Puri Bunda Mother and Child Hospital in Denpasar opened a new branch inTabanan. The operating room is one of the focuses in realizing patient safety-oriented services.The government with PMK No. 24 of 2016 and Technical Guidelines for Hospital Infrastructurefor Air System Installation Systems in 2012 requires operating rooms to meet requirements suchas: room temperature ranges from 20ºC - 24ºC, humidity 40% - 60%, equipped with HEPA filterwith 99.97% efficiency, positive pressure of 15 pascal to the surrounding space, and equippedwith a clean air exchange system. the result research and calculations in planning theoperating room air conditioning system at the Puri Bunda Tabanan Mother and Child Hospitalaccording to the standards obtained a split duct capacity of 60,000 btu / h, a heater of 7KW, aBooster fan of 1900 CFM, a HEPA filter of 120cm x 80cm. 2 units for each room, 42cm x 42cmducting inlet outlet, 20cm x 25cm RAG and FAG ducting, 380 CFM exhaust fan.
REVIEW STATUS PANEL SURYA DI INDONESIA MENUJU REALISASI KAPASITAS PLTS NASIONAL 6500 MW
Authors: Neli Lestari Ni Made , Satya Kumara I Nyoman , Dwi Giriantari Ida Ayu
Published: February 2023

PLTS is a power plant that converts sunlight energy into electricity using photovoltaictechnology. Solar panels play an important role in PLTS, because solar panels capture solar radiationthen convert it into electrical energy. The development of solar panel technology is the key to supportthe development of PLTS. This article reviews about the development of solar panels in Indonesia asan important component to support the development of national solar power plants towards a capacityof 6500 MW by 2025. The review will be carried out on various aspects of solar panels including thenational solar panel industry, solar panels available in the domestic market, and the availability ofvarious panels. Data is obtained from the national panel industry, the PLTS project, the PLTS userassociation, the national EPC, the Ministry of Energy and Mineral Resources, and the national solarpanel vendor. The survey result shows there are 241 panels, both local and foreign production. Panelcapacities vary from 5 Watt to 500 Watt and panel voltages are available from 12 Volt, 24 Volt and 48Volt. Based on the survey, it is also obtained the average of Rp/Wp is Rp.18,853/Wp and the averageof W/m2 is 159,46 W/m2. Increasing solar panel production can be done by providing incentives tosolar panel producers in the form of product purchase guarantees and incentives to develop newfactories. Information regarding the current status of solar panels in Indonesia is expected to be aquick reference for people or institutions that need it, and can be used as an introduction to researchand application of PLTS in Indonesia.
PENALAAN POWER SYSTEM STABILIZER PLTDG PESANGGARAN BERBASIS LOSSES CONCEPT
Authors: Sayudi Abdurrahman , Sari Hartati Rukmi , Manuaba Ida Bagus Gede
Published: February 2023

Pusat Listrik Tenaga Diesel Gas (PLTDG) Pesanggaran menjadi salah satu pembangkit yang ada di Bali yangmempunyai posisi penting dalam sistem 150 kV Bali, kinerja kestabilan dari PLTDG Pesanggaran saat terjadigangguan merupakan hal krusial yang perlu diperhatikan. Pendekatan model SMIB untuk analisa kestabilanpada PLTDG Pesanggaran digunakan untuk memudahkan analisa, dengan cara mereduksi sistem multimesinmenjadi SMIB dengan Losses Concept. Dari hasil simulasi model tersebut diperoleh hasil bahwa nilai overshootdan settling time dari tanggapan perubahan sudut rotor dan tanggapan frekuensi pada model SMIB PLTDGPesanggaran.
RANCANG BANGUN GROUND STATION DENGAN TAMPILAN GRAPHICAL USER INTERFACE PADA WAHANA ROKET BERBASIS PROCESSING DAN MENGGUNAKAN ATMEGA 328
Authors: Sumitra Tanaya I Nyoman , Alit Swamardika Ida Bagus , Care Khrisne Duman
Published: February 2023

The design of the Ground Station with a Graphical User Interface display on a Processingbasedrocket vehicle and using the ATmega328 is designed to be able to assist in monitoringthe environment of the rocket vehicle on the Ground Station with a Graphical User Interfacedisplay. The monitored environmental conditions include the Altitude parameter (Meter abovesea level) which is detected using an Altimeter, Attitude Indicator (the position of the rocketwhich includes the value of the rotation angle of the Pitch, Roll, and Yaw), the position of thevehicle according to the longitude value and latitude detected by GPS (GeographicalPositioning System), pointer display on each latitude and longitude point value in theGeographic Information System, Heading Indicator and real-time log data. GS can display datausing an IC (Integrated Circuit) which has been integrated with an accelerometer, gyro, GPSsensors, and a communication module on a Microcontroller that can be placed on a rocketvehicle so that the IC can be called a rocket module. The rocket module is then connected tocommunicate with the GS using the 2.4 GHz XBee. The results of this research indicate that theGUI can display the Pitch and Roll value angles of 32.75o and 4.15o which are implemented withthe attitude indicator display movement, get a Yaw angle value of 132.23o, can display anAltimeter with a ride height of 79 meters above sea level, followed by real-time log data displayand GIS as a map display containing points for each change in latitude and longitude.
PEMANFAATAN PEMBANGKIT LISTRIK TENAGA SURYA SEBAGAI CATU DAYA LISTRIK PADA KELOMPOK USAHA PERTANIAN
Authors: Janardana I G N , Arta Wijaya I W
Published: February 2023

It is time for solar power plants to supply electricity to agricultural businesses to avoiddependence on oil-fired electricity. Most agricultural businesses find it difficult to get electricitybecause they are located far from the center of the PLN network. The purpose of this study wasto determine the potential and design of PLTS for electricity needs in agricultural businesses.The method of analysis was carried out descriptively by calculating the primary data. The resultsof the analysis on each load requirement show that for a 500 watt load, 24 panels series SP-100-M36 Part Number 53-067, SR-500 - S-12V inverter, minimum battery 4666.66 Ah 47 unitsof Model SMT12100S are needed, 1000 watt load required 47 panels series SP-100-M36,Growatt 1000S inverter, 9333.33 Ah batteries 94 pieces Model SMT12100S, 1500 watt loadrequired 71 panels specification series SP-100-M36, Growatt inverter specification 1500Sminimum capacity battery 14000 Ah 140 pieces Model SMT12100S, 3000 watt load required142 pieces of SP-100-M36 specification panels, Sunny Boy 3000 TL inverter specifications,batteries with a minimum capacity of 28000 Ah 280 SMT12100S.Key words: Electric power, renewable energy, PLTS.
ANALISA PENGARUH KEMIRINGAN HEAD DAN VARIASI SUDUT BLADE TURBIN ULIR TERHADAP KINERJA PLTMH
Authors: Wahyu Indra Wedanta I Putu , Arta Wijaya Wayan , Jasa Lie
Published: February 2023

Bali has many waterfalls which can be used as Micro Hydro Power Plant (MHPP). Ituses 2 types of turbines, one of them is screw turbine or Archimedes screw. Screw turbine isstill rare, therefore a MHPP modeling needs to be made to obtain specific data. This study willdiscuss the analysis of the influence of the Head Slope and the Variation of the Angle of theBlade of Turbine to Performance of the MHPP, to determine the torque, turbine rotation,voltage, current, power and rotation produced by the generator. Best measurement results onthe slope of the head 400 and variations in blade angle 280. Voltage, current and powerobtained by 73.8 V, 148.9 A and 10.98882 W. At the turbine speed before coupling, thegenerator is obtained 596 rpm and 304 rpm after coupling, while the generator rotation is 3863rpm. The resulting torque and efficiency are 0.3492 Nm and 14.16%.
STUDI KOORDINASI KERJA RELAI JARAK SEBAGAI PENGAMAN CADANGAN PADA SALURAN 150 KV GIS PESANGGARAN-GI NUSA DUA
Authors: Gusti Deoka , Dyana Arjana I Gede , Indra Partha Cokorde Gede
Published: February 2023

The development of Pesanggaran Conventional Substation into the Pesanggaran GasInsulated Switchgear (GIS) as a form of increasing the reliability of the electric power system inBali which led to changes in the protection system configuration on the transmission lineconnecting the GIS Pesanggaran and Nusa Dua Substation. The distance relay that waspreviously functioning as a primary protection was changed to backup protection due to the lackof selectivity of the distance relay in isolate the disruption and as the backup protection if themain protection experiencing a failure. Simulation testing using power system analysis softwareafter determining the value of the distance relay setting and tested with short circuit at 110%and 180% of the transmission line length shows the distance relay has worked according to theP3B JB regulation No. 211/151/P3B/2010 and distance relay can detect disruption in zone 2with a delay time of 0,815 seconds and detect disruption in zone 3 with a delay time of 1,615seconds.
APLIKASI MOBILE DETEKSI PENYAKIT DEMODEKOSIS PADA ANJING MENGGUNAKAN METODE CONVOLUTIONAL NEURAL NETWORK
Authors: Wijaya Ardy , Care Khrisne Duman , Jasa Lie
Published: February 2023

Demodex is a skin disease in dogs caused by the protozoan mite Demodexfollicularumvar canis or Demodex canis. These mites are found in the hair roots and sometimesin the glands, almost the entire life cycle of this type of mite is on the skin, if it lasts for a longtime it can cause death in dogs that are infested by these lice This study aims to detectdemodicosis in dogs with a mobile application using a convolutional neural network methodwith a squeezenet architecture model with radam optimization. This application works by takingpictures directly through the cellphone camera then processing it with a trained model then theoutput of this application displays the probability value of the dog being indicated as demodexor not. Based on the results of testing using the black box testing method, the overallfunctionality of the application has been declared successful in accordance with its respectivefunctions and objectives. From the results of validation data testing using 60 validation data,based on the accuracy demodecosis detection application is able to recognize validation datacorrectly as many as 45 data and 15 data has not been properly recognized, so that theaccuracy value is 75% and the f1-score value is 0,595.
KINERJA PROTOKOL NETWORK REDUNDANSI VRRP, HSRP DAN GLBP PADA LAYANAN VIDEO STREAMING
Authors: Krsna Yudha Dharma I Putu Gede , Sudiarta Pande Ketut , Setiawan Widyadi
Published: February 2023

Nowadays streaming video services have become the main need for internet users. Tokeep the streaming video service awake, an alternative path is needed to avoid network failure.In creating an alternative path, you can use first hop redundancy protocol (FHRP). In FHRPthere are three redundancy protocols including VRRP, HSRP and GLBP. The purpose of thisstudy is to find out better protocol performance, especially by using streaming video services.The method used is to simulate redundancy protocol using GNS-3 software with 3 scenariosthat run including normal network, down network and recovery network. As for testing eachscenario including testing routers with priority, route trace route, link transfer time and quality ofservice (QoS) video streaming. Based on the results of the study, it was obtained that GLBPprotocol has better performance with an average link transfer time of 1.51 seconds, delay of8.12 ms, packet loss of 0 % and throughput of 1,248 Mbps. This is because in GLBP protocolthere is a load balancing feature that can split the load equally and utilize resources moreeffectively from each router.
PENGARUH DEBIT AIR TERHADAP? PUTARAN?TURBIN?DAN?DAYA?OUTPUT? YANG?DIHASILKAN?PROTOTYPE PLTMH?DENGAN?TURBIN?KAPLAN
Authors: Ariestya Pamungkas Ravinda , Arta Wijaya I Wayan , Janardana I Gusti Ngurah
Published: February 2023

Kaplan turbine is suitable turbine to use in the place that have small water fall (head)but need big water discharge. The problem from this turbine is the turbine need high waterdischarge to test the related parameters but it is too difficult to do because the water dischargeis not constant in the river. Based on the problems described, it is necessary to make a hydropower plant prototype using a Kaplan turbine with a laboratory scale so that it can obtainmaximum output result on a micro hydro power plant. The Method of analysis used is bycalculating the rimary data obtained. Prototype testing in this study uses water discharge thatvaries including 9 liter/s, 10 liter/s, 12 liter/s, 14 liter/s and 16 liter/s. The maximum outputobtained is when the water discharge is 16 liter/s which produces a turbine rotation of 228,3 rpmbefore the generator is coupled and 172,5 rpm after the generator is coupled, the generatorrotation is 902,5 rom, the generator voltage is 9,07 Volts, the generator current is 0,56Amperes, generator power is 5,09 Watt, torque is 0,28 Nm, and the efficiency occurs 1,62%.Based on the result of the study, the maximum output obtained is from the water discharge 16liter/s which is the biggest water discharge because an increase in the value of water dischargewill cause the micro hydro power plant performance to increase.