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　　SR750-P5-G5-S5--HI-A20-RE Other names:

　　Voltage protection device SR750-P5-G5-S5--HI-A20-RE

　　SR750-P5-G5-S5--HI-A20-RE microcomputer comprehensive protection

　　Feeder protection device SR750-P5-G5-S5--HI-A20-RE

　　The 750/760 feeder protection system is a digital relay used for managing and controlling the protection and control of primary distribution feeders. This easy-to-use relay provides comprehensive protection for withdrawable busbars, transformers, and transmission lines' feeders and backup protection functions to reduce product lifecycle costs.

　　Main advantages

　　An easy-to-use feeder protection system supported by industry-leading software tool suites

　　Accurate built-in metering function - eliminates auxiliary metering equipment and reduces costs

　　• Improve the normal operation time of auxiliary equipment - I/O monitoring

　　• Reduce troubleshooting time and maintenance costs - IRIG-B time synchronization, event reporting, waveform capture, data logger

　　• Minimize replacement time - withdrawable construction

　　• Simplified testing - built-in simulation function

　　Efficiently and economically acquire information. Supports industry protocols such as DNP and Modbus. Includes optional 10MB Ethernet port for system integration

　　• Complete asset monitoring - analog I/O, including full metering of demand and energy

　　• Cutting edge technology - flash memory for on-site product upgrades

　　• Extended lifespan - optional conformal coating suitable for chemically corrosive and humid environments

　　• Globally recognized, ensuring compliance with international norms and standards

　　Application

　　The main protection and control or resonant (Peterson coil) grounding system for directly grounded and high impedance grounded distribution feeders

　　Bus blocking/interlocking scheme

　　High speed fault detection for arc flash mitigation

　　Transfer plan (application of bus transfer plan)

　　Load shedding scheme based on voltage and frequency components

　　Backup protection for transmission lines, feeders, and transformers

　　Distributed Generation (DG) Interconnection Protection

　　Protection and control

　　The 750/760 feeder protection system is a primary protection and control feeder used for managing and distributing power. This easy-to-use relay provides comprehensive protection for feeders, backup protection for busbars and transformers, and reduces the cycle cost of transmission lines by shortening product life.

　　Regarding SR750-P5-G5-S5--HI-A20-RE

　　SR750-P5-G5-S5--HI-A20-RE is a GE Multilin protection relay. This relay is a feeder management relay designed with 5A phase current input, 5A zero sequence current input, and 5A sensitive ground current input. This is in contrast to other devices in the series that may accept 1A, 10A, 20A, or some combination of inputs, so users should ensure that the purchased device is suitable for their system requirements. The device can be installed on a 19 inch panel, and Multilin's 1601-0120-AE manual can provide further in-depth assistance on how to start and operate the device.

　　The SR750-P5-G5-S5--HI-A20-RE GE Multilin relay provides a power supply with a rated voltage of 88-300 VCD, 70-265 VAC @ 48-62 Hz. The device has eight 4-20 mA analog outputs. The device includes a red circuit breaker closing LED and an enhanced display screen with Ethernet 10Base T option. Enhanced panels have wider LCDs and simpler designs. The Ethernet 10Base T option allows relays to connect to larger networks and interact remotely.

　　The SR750-P5-G5-S5--HI-A20-RE has multiple monitoring functions, such as data recording, oscilloscope, waveform capture, and actual value measurement. Relay users can check some data through the device's 40 character alphanumeric LCD display, or use GE Multilin's EnerVista 760 software program, which provides a simplified and more extensive user interface. The data recorded by the relay can be trend analyzed, plotted, and exported for further viewing.

　　Frequently Asked Questions about SR750-P5-G5-S5--HI-A20-RE

　　What is the purpose of the analog input terminals A1 and A2 provided on the GE feeder management relay SR750-P5-G5-S5--HI-A20-RE?

　　Analog input terminals A1 and A2 of GE relay SR750-P5-G5-S5--HI-A20-RE are used to input current signals from many different sensor outputs, such as transformer tap positions, transformer winding temperatures, battery and bus voltages, or station service voltages.

　　How many output analog channels does the SR750-P5-G5-S5--HI-A20-RE GE feeder management relay provide?

　　All 750/760 GE feeder management relays have eight available output analog channels with full range. But each output analog channel can be one of the parameters measured by the relay through reprogramming the analog output channel.

　　From a typical wiring diagram, it can be seen which terminals of the analog output signal originate from GE feeder management relay SR750-P5-G5-S5--HI-A20-RE?

　　Terminals A5 to A12 are the source terminals for analog output signals, and they also share the circuit of A4, which is very common. There are different grounding potential output signals internally, which are isolated but allow connection to these grounding devices.

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