الأوصاف
Power Supply Module, CPU Module, CT/VT Input Module, Digital I/O Module, Transducer I/O Module, Inter-Relay Communications Module, Communication Switch Module, IEC Process Bus Module.
The GE Multilin UR4DH is a high-performance universal relay in the UR family, built on a modular platform for power system protection, control, monitoring, and metering, suitable for substation and industrial applications.
- Advanced protection algorithms for system security and uptime.
- Modular design with expandable I/O for flexible configuration.
- FlexLogic programmable logic for custom control schemes.
- Support for multiple communication protocols (IEC 61850, DNP 3.0, Modbus, etc.).
- Integrated metering, fault recording, and synchrophasor (PMU) capabilities.
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CT/VT Inputs: Up to 24 analog CT/VT signals, supporting 1A/5A CTs.
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Digital I/O: Up to 96 contact inputs (250V max), 64 contact outputs (Form-A, Form-C, SSR, latched).
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Communication: Three independent Ethernet ports, supporting IEC 61850, DNP 3.0, Modbus, IEEE 1588, and PRP (IEC 62439-3).
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PMU Capability: Up to 6 PMU elements, Total Vector Error (TVE) < 1% (IEEE C37.118), synchrophasor streaming via IEEE C37.118/IEC 61850-90-5.
