الأوصاف
GE Multilin UR9KH Universal Relay Family
Description
The GE Multilin UR9KH is part of the Universal Relay (UR) and URPlus family, an integrated platform for advanced protection, control, monitoring, and metering in generation, transmission, distribution, and industrial power systems.
Features
- Modular design with common hardware and plug-and-play modules
- High-accuracy metering and integrated monitoring capabilities
- Advanced communications: IEC 61850 Ed. 1/2, DNP 3.0, Modbus, etc.
- Synchrophasor support (IEEE C37.118, IEC 61850-90-5)
- Flexible I/O options: CT/VT, digital, transducer modules
- Comprehensive diagnostics and disturbance recording
Technical Specifications
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Protection: Overcurrent, distance, differential, frequency, voltage protection elements
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Metering Accuracy:
- Current: ±0.25% (0.1–2× CT rating)
- Voltage: ±0.5% (10–208 V)
- Power: ±1.0% of reading
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Frequency Range: 20–65 Hz
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Sampling Rate: 64 samples/cycle (oscillography)
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Event Recording: 1024 (UR) / 8192 (URPlus) time-stamped events
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Communication Ports: Up to 3 Ethernet (100Base-F/T); RS232/485
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Operating Temperature: -40°C to +85°C
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Power Supply: 24–48 V DC / 100–240 V AC
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Relay Burden: <0.2 VA (rated CT secondary)
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Dimensions:
- Horizontal: 9.687" × 11.093" (246.05 × 281.76 mm)
- Vertical: 14.025" × 7.482" (356.2 × 190 mm)
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Compliance: UL, IEC, IEEE standards
