Product Details
The ABB GPU2000R REG544, also cataloged as the GPU2000R Generator Protection Relays, operates as a dedicated hardware component for multi-function synchronous generator monitoring and fault tripping within 2000R series protection network architectures.
Hardware Specifications
| Parameter | Specification |
|---|---|
| Model | GPU2000R REG544 |
| Brand | ABB |
| Origin | Sweden |
| Weight | 10 kg |
| Dimensions | 200 mm x 200 mm x 100 mm (W x H x D) |
| Operating Temp | -20 to +60 deg C |
| Power Consumption | Powered via 10 V to 150 V AC/DC auxiliary supply |
| Operating Voltage | 10 V to 150 V AC/DC |
| Frequency Range | 45 Hz to 65 Hz |
| Reverse Power Sensitivity | Down to 0.2% of rated generator power |
| Loss-of-Excitation Detection | Mho-circle impedance element |
| Local Display | 4-line x 20-character LCD |
| Logic Inputs / Outputs | 8 logic inputs, 6 configurable relay outputs |
| Communication Protocols | Ethernet, Modbus, IEC 61850, DNP3 |
| Product Type | Generator Protection Relays |
Firmware Flash Compatibility and Deterministic Protocol Communication
The GPU2000R REG544 incorporates onboard flash memory dedicated to field firmware updates and system parameter flash compatibility. Isolated Ethernet, Modbus, IEC 61850, and DNP3 physical ports transmit discrete status transitions, real-time running timers, and fault records without latency or deterministic backplane network bandwidth degradation.
Frequently Asked Questions
Q: Does the GPU2000R REG544 support hot-swapping or live extraction of its power wiring terminal connectors?
A: No. Primary CT/VT sensing inputs and auxiliary supply connections must be de-energized and current transformer secondaries shorted before dismounting the relay to prevent high-voltage open-CT hazards.
Q: How is reverse power sensitivity configured for low-load conditions?
A: The internal directional element detects real power flow direction with setting thresholds as low as 0.2% of rated power to protect prime movers against motored operation.
Field Installation Guidelines
- Mount the GPU2000R REG544 securely into the panel cut-out using side mounting brackets to maintain chassis vibration stability.
- Verify that current transformer secondary circuits are wired through shorting-type terminal blocks before connecting to the relay.
- Terminate communication shields and cable drain wires to the central enclosure protective earth (PE) busbar to eliminate electrical noise interference.
- Apply auxiliary power within the specified 10 V to 150 V AC/DC window and check the front panel LCD status before commissioning trip outputs.
Additional Information
- 100% Genuine Parts: All products are original and authentic, ensuring reliable industrial performance.
- 30-Day Refund Guarantee: Return any in-stock item within 30 days in original, unopened packaging for a full refund (excluding shipping and fees).
- 12-Month Warranty: Covers defects in materials or workmanship; excludes misuse, normal wear, or unauthorized modifications.
- Worldwide Shipping: We ship via USPS, UPS, FedEx, and DHL. Delivery times vary by country and may be subject to customs or import fees.
- Support & Contact: Technical and warranty assistance is available anytime. Contact us here: Contact.
- Purchase Guidance: Check product specifications and compatibility carefully before ordering to ensure proper application.
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