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Description
General Electric Multilin 750-P5-G5-S5-HI-A20-R
The General Electric Multilin 750-P5-G5-S5-HI-A20-R is a state-of-the-art digital relay that protects and controls various distribution feeders. It offers comprehensive protection functions, including phase, ground, and sensitive ground current inputs.
This relay features advanced metering, I/O monitoring, and built-in simulation capabilities. These features cover demand and energy monitoring, enhancing the overall protection system. This relay significantly reduces troubleshooting and maintenance costs, making it a cost-effective solution for modern power distribution systems.
Technical Details:
The GE Multilin 750-P5-G5-S5 is a flexible Relay for Feeder Management. It is part of the Multilin 750/760 Motor Protection System series. This model is designed for comprehensive feeder protection and control. The relay features 5 A phase current inputs (P5) for precise monitoring.
It also includes 5 A zero sequence current inputs (G5) for ground fault detection. For enhanced sensitivity, it has 5 A sensitive ground current inputs (S5). The power supply options are versatile, with 88 - 300 VDC and 70 - 265 VAC at 48 - 62 Hz frequency.
Analog output capabilities include eight 4 - 20 mA analog outputs (A20). This model also features a red breaker closed LED (R) for clear status indication. The relay weighs 4.8 kg (10 lbs.) and measures 178 mm in height, 229 mm in width, and 178 mm in length.
Networking interfaces include a 10 Mbps Ethernet port, RS232, RS422, and RS485 ports. The relay supports protocols such as ModBus™ RTU, DNP 3.0 Level 2, and TCP/IP. This provides cost-effective access to information and system integration.
Key Benefits:
The 750-P5 Relay by GE Multilin offers key benefits. It simplifies feeder protection with industry-leading software tools. Built-in metering functions provide accurate readings and reduce the need for auxiliary metering devices, which reduces overall costs and improves system reliability.
The relay improves the uptime of auxiliary equipment through I/O monitoring. IRIG-B time synchronization, event reports, waveform capture, and a data logger help to reduce troubleshooting time and maintenance expenses. The relay's draw-out structure reduces the time required to replace it. Furthermore, built-in simulation features make testing procedures easier.
The relay includes flash memory for field upgrades, ensuring it stays current with leading-edge technology. An optional conformal coating extends the relay’s life in chemically corrosive and humid environments.
Practical Applications:
Applications for the 750-P5 Relay manufactured by GE Multilin are diverse. It provides primary protection and control for distribution feeders in solidly grounded systems, high impedance grounded, or resonant (Peterson Coil grounded). The relay can handle bus blocking and interlocking methods.
It provides high-speed fault detection for arc flash mitigation. Throw-over schemes (bus transfer applications) and load-shedding methods using voltage and frequency elements are provided. The relay also provides backup protection for transmission lines, feeders, and transformers. Lastly, it is suitable for distributed generation (DG) interconnect protection.
Frequently Asked Questions:
How does the GE Multilin 750-P5-G5-S5 handle control operations?
The relay supports automatic bus transfer, manual control, and a four-shot recloser (for 760 models), enabling precise control over distribution feeders.
What software tools are available for the GE Multilin 750-P5-G5-S5?
The GE Multilin 750-P5-G5-S5 is supported by the EnerVista software suite, which includes configuration, commissioning, monitoring, and maintenance tools.
What metering capabilities are included in the GE Multilin 750-P5-G5-S5?
The relay features built-in metering functions for current, voltage, sequence components, power, energy, and voltage, eliminating the need for auxiliary metering devices.
Product Specifications Table
Specification | Details |
---|---|
Phase Current Inputs | 5 A phase current inputs |
Ground Current Inputs | 5 A zero sequence current inputs |
Sensitive Ground Current Inputs | 5 A sensitive ground current inputs |
Power Supply Options | 88 - 300 VDC, 70 - 265 VAC @ 48 - 62 Hz |
Analog Outputs | Eight 4 - 20 mA analog outputs |
Breaker Status LED | Red breaker closed LED |
Dimensions (H x W x L) | 178 mm H x 229 mm W x 178 mm L |
Weight | 10 lbs 10.4 oz (4.8 kg) |
Supported Protocols | ModBus™ RTU, TCP/IP, DNP 3.0 Level 2 |
Software Tools | EnerVista software suite |
All products (new, refurbished, and repairs) are covered by the Industrial Automation Company's 2 Year Warranty. Manufacturer's Warranty does not apply.
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