GE Multilin UR-9NV CPU Module

Description

The GE UR 9NV CPU Module delivers protection‑grade processing, control logic execution, and system supervision for UR‑series relays used in power generation, transmission, distribution, and industrial electrical networks. 

Specifications

• Manufacturer: GE Multilin

• Part Number: UR 9NV

• Module Type: CPU‑class processing module for UR relay systems

• Protection Functions: Line current differential, phase‑segregated differential, distance protection (five zones)

• Control Functions: Breaker‑and‑half support, single‑pole tripping, generator protection logic

• Monitoring: Synchrophasors (IEEE C37.118 / IEC 61850‑90‑5), breaker condition monitoring, fault locator

• Recording: 1024‑event recorder, waveform capture, data logger

• Communications: Up to 3 Ethernet ports; supports HardFiber Bricks for high‑speed communication

• System Role: Executes protection algorithms, supervises modules, manages communication traffic

• Applications: Substations, industrial plants, transmission lines, generator protection

Features

• Advanced Protection: Supports differential, distance, and generator protection schemes for complex power systems

• High‑Speed Processing: Executes protection logic and fault detection with fast response times

• Comprehensive Monitoring: Includes synchrophasors, breaker monitoring, and fault‑location tools

• Robust Communications: Multi‑port Ethernet and HardFiber connectivity for low‑latency data exchange

• Event & Waveform Recording: 1024‑event recorder with waveform capture for detailed diagnostics

• Modular Integration: Fits UR‑series relay chassis with flexible configuration options

FAQ – Common Questions

• What_is_the_UR-9NV_used_for: It provides protection, control, monitoring, and supervision for power‑system assets.

• Does_it_support_distance_protection: Yes, it includes five independent distance‑protection zones.

• Can_it_monitor_breaker_health: Yes, it tracks arcing current, re‑strike events, and flashovers.

• Is_it_suitable_for_generator_protection: Yes, including stator ground‑fault and field‑ground protection.

• What_communications_are_supported: Multiple Ethernet ports and HardFiber Bricks for high‑speed communication.