0 HomeUtilities Download Utilities Application Guide SCADA IED for Utilities Utilities have requirements, whether by law or by company policy, to monitor and be able to restore electrical power flow as quickly as possible. This has IED (intelligent electronic devices) power providers like investor owned utilities, cities, and municipals, to focus on collecting data on circuit breaker trips, status, and metering values. The industry has relied on various forms of SCADA IED for utilities to communicate this data back to remote terminal units (RTUs) or communication gateways that then send the data back to a SCADA master. An RTU is a device that collects analog and digital data about a substation and transmits that data back to a SCADA master station. The SCADA master allows operators and engineers to view, control, and analyze power flow throughout a utility operating territory. Considerations in Choosing a SCADA IED for Utilities There are substantial considerations when choosing the type of SCADA IED for utilities to communicate this data. Initially, the IED should be “substation grade.” This means that the IED has to be designed with sufficient protection and reliability to protect it against dangerous electrical events that can occur in stations whenever there is a breaker operation. The IED should also be protected at all inputs, including sense inputs, power supply, and communication outputs. To accomplish this, the IED manufacturer has to look at internal isolation levels, surge suppression, and voltage clearances that are normally higher and more conservatively specified than traditional commercial/industrial equipment. Moreover, the manufacturer should be able to substantiate claims, with proper test equipment, to relevant industry standards, such as IEEE C37.90.1 and ANSI C62.41. The next consideration for the substation IED is that it supports standard communication protocols that RTUs and communication gateways are able to understand. A communication protocol is the communication language that the equipment uses. While Modbus is considered an industry standard, today, in utility substations, DNP3 and IEC 61850 are the standards that are supported and usually required by most modern RTUs and communication gateways. Meters that specify only Modbus or other industrial or commercial protocols are not sufficient, because while Modbus communication may be available for an RTU, it is generally not easily supported in the installation environment. Serial (RS485 or RS232) DNP3 protocol has been considered the industry gold standard for safe and reliable communication from a SCADA IED for utilities. However, there are newer requirements for the IEDs to support DNP3 over Ethernet and IEC 61850 over Ethernet. For this reason, modern and capable IED devices, in addition to RS485, must support Ethernet communication that allows users to provide metering data over Ethernet channels using an IP addressable TCP/IP architecture. When interfacing with older RTUs, there are limits as to the type of input that is acceptable. Many RTUs designed before the newer protocols were popular, utilized “analog” inputs or digital inputs. Analog inputs typically provide data from an analog transducer source. Digital inputs generally provide the status of a digital type of “on/off” source, like an alarm or a breaker position. Modern IEDs should also have the ability to replace these transducers by providing analog retransmits that will mimic the old transducer outputs. Also, because they are digital, they will be able to provide multiple outputs from one meter, instead of one transducer per meter. The newer meters also have the capability of sending digital signals for alarm or control purposes. A growing concern for utilities is data security. The Nexus® 1450 meter and the Shark® 250 meter have advanced Cyber Security to protect the utility substation system from hacking and tampering. For legacy applications, where there isn’t the budget or desire to upgrade the existing RTU, the Shark® 250 meter can also add up to 8 analog retransmit signals that are either 0-1 mA or 4-20 mA. This allows a user to upgrade analog transducers as they fail, replacing them with digital IEDs that can be upgraded to modern communication architecture at a later time. Status inputs and control outputs are also available, so that most of the traditional substation telemetry applications are fulfilled. When looking at transmission substation applications, there may be a need for additional performance in an IED. The considerations can include security, fault-analysis, and time-sync options. The Nexus® 1500+ meter would be the suitable solution to improve transmission power distribution system reliability. Moreover, in sophisticated communication schemes, the Nexus® 1500+ meter offers considerable versatility when configuring complex telemetry, especially using its GOOSE messaging capability with IEC 61850 protocol architecture. Transmission Stations Learn more Learn more Transmission Stations For New Applications: Nexus® 1500+ Meter – High Performance IED Nexus® 1500+-D2-60-20-V3-485P-NTRJ-6RO1-16DI1 A Nexus® 1500+ meter with (100-240)VAC @ 60 Hz or (100-240) V DC power supply; 60 Hz; Class 20; 4 MB memory, DNP 3.0, IEC 61850 protocol, 50 MHz transient recording; 2 RS485 ports and 2 pulse outputs; Second RJ45 Ethernet card; 6 relay outputs; 16 status inputs For Retrofit Applications: Nexus® 1450 Meter – Cyber Secure Energy Panel Meter Nexus® 1450-D2-60-V2 A Nexus® 1450 meter with uinversal (96-276) V @50/60 Hz or DC power supply; 60 Hz; 1200 MB memory, 1024 samples per cycle waveform recording Distribution Learn more Shark® 250 Shark® 250 Data Logging Energy Meter for Load Profiling and Power Quality Example uses Typical building loads, substations, control panels At The Customer Learn more At The Customer Shark® 270 Socket Form Meter – Provides Shark® 270 meter SCADA communication in an ANSI-Rated Socket Meter Shark® 270-9S-60-20-V5-S-INP100S-20mAOS A Shark® 270 meter with 9S form; 60 Hz; Class 20; Extended logging memory and 512 samples/cycle waveform recording; Blade powered; 100BaseT Ethernet; 4 channel 4-20 mA unidirectional analog outputs Base Data Collection Software Learn more Base Data Collection Software CommunicatorPQA™ 5.0 application with MeterManagerPQA™ software for configuring meters, automatically collecting data, and studying power quality. EnergyPQA Cloud Energy Management Next generation Energy Management Cloud solution, providing energy analytics and predictions, reducing costs and improving power system reliability Learn more EnergyPQA Cloud Energy Management Energy Management Report on highest Demand Contributors and Energy Usage across facilities Predictive Analytics Use Machine Learning to accurately Predict Demand & Energy Usage into the future Power Quality Comprehensive Power Quality Analysis and alarming on Power Quality Events Engineering Services EIG’s highly experienced engineers, with a variety of skills in the fields of electrical engineering, software engineering, and meter engineering, to assist in the design, commissioning, start-up verification, and certification of installations to help you get your project up and running, and ensure it will be successful. Learn more Engineering Services On site consulting and commissioning System Integration Meter calibration and Certification services Application Guide Download Utilities Application Guide Related Products Used with SCADA IED for Utilities https://www.electroind.com/eigs-energypqa-com-cloud-solution-is-finalist-in-plant-engineerings-2020-product-of-the-year/ https://www.electroind.com/eig-releases-energypqa-com-cloud-based-energy-management-solution/ https://www.electroind.com/facts-you-should-know-about-commercial-energy-waste-in-2019/ https://www.youtube.com/watch?v=XTiIsF1D0Fc https://www.youtube.com/watch?v=GAVJERWMKeU Who We Are at Electro Industries Power meter and energy management system provider specializing in cloud, predictive analytics, and artificial intelligence. You will find hundreds of thousands of Electro Industries products, worldwide, in 207 countries on 5 continents. 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