G30U03HKH | GE Multilin Relay for Medium-Sized Generators

GE Multilin G30U03HKH Generator Protection Relay Module – Product Description

Overview 

The GE Multilin G30U03HKH is a robust generator protection relay designed for steam, hydraulic, and combustion turbine generators. It provides fast and reliable fault detection, ensuring generator stability and equipment safety. Moreover, the relay supports advanced communications and programmable logic, making it ideal for integration into modern utility and industrial power systems. Its withdrawable design allows easy installation, maintenance, and replacement without disrupting operations.

Technical Specifications

Attribute — Specification
Model Number — G30U03HKH
Type — Generator Protection Relay Module
System Compatibility — GE Multilin G30 Series (UR platform)
Protection Functions — Overcurrent, ground fault, loss of field, negative sequence, breaker failure
Control Features — Breaker management, reclosing, trip logic
Communications — IEC 61850, Modbus, DNP3, RS485, Ethernet
Integration — SCADA/DCS systems with real-time monitoring
Event Recording — 1024 SOE events; disturbance recording with 64 digital + 40 analog channels
Weight — 4.0 kg
Operating Temperature — –40 °C to +70 °C
Storage Temperature — –40 °C to +85 °C

FAQ

Q1: What types of generators are compatible with G30U03HKH?
It is designed for steam, hydraulic, and combustion turbine generators.

Q2: Which protection functions does this relay provide?
Overcurrent, ground fault, loss of field, negative sequence, and breaker failure protection.

Q3: Does the module support modern communication protocols?
Yes, it supports IEC 61850, Modbus, DNP3, RS485, and Ethernet interfaces.

Q4: Can it integrate with SCADA/DCS systems?
Absolutely, it enables real-time monitoring and control within SCADA/DCS platforms.

Q5: Is this relay suitable for industrial and utility environments?
Yes, its rugged design ensures reliable operation under harsh conditions.