Overview

The GE Multilin G30 series, including the G30U03HKH model, is a generator protection system used in steam, hydraulic, and combustion turbine generators. It is particularly suited for small to medium‑sized generators and applications where the generator and transformer share the same protection zone.

The G30 integrates advanced automation, extensive I/O options, fault recording, and modern communication protocols, making it a versatile solution for modern power generation facilities.

Technical Data

Key Features

• Comprehensive generator protection including differential, loss‑of‑field, reverse power, and voltage/frequency elements.

• Combined generator and transformer protection in a single relay.

• Advanced automation capabilities for customized control schemes.

• Extensive I/O options for flexible integration.

• Powerful fault recording tools to simplify troubleshooting and minimize downtime.

• Modern communication protocols for SCADA/DCS integration.

• Full‑color LCD display for real‑time visualization and control.

Typical Applications

• Steam turbine generators in utility power plants.

• Hydraulic generators in hydroelectric facilities.

• Combustion turbine generators in industrial and energy sectors.

• Combined generator‑transformer protection zones.

• Industrial power generation requiring reliable automation and monitoring.

FAQ

Q1: What is the role of the G30U03HKH relay?
A1: It provides comprehensive generator protection and control, ensuring safe and reliable operation.

Q2: Can it protect both generator and transformer together?
A2: Yes, the G30 series supports combined generator‑transformer protection zones.

Q3: Does it support modern communication protocols?
A3: Yes, including IEC 61850, Modbus, and DNP3, making it SCADA/DCS ready.

Q4: What industries use this relay?
A4: Utilities, hydroelectric plants, industrial facilities, and energy companies rely on it for generator protection.