UR Series | GE Multilin G60 Generator Management Relay

Product Description

The GE Multilin G60 is a generator management relay engineered for advanced protection and control of power generation assets. It integrates stator differential protection, power swing detection, and impedance monitoring to ensure secure and reliable operation of generators under diverse system conditions.

This relay offers flexible tripping modes, adaptive restraint, and precise measurement accuracy, making it suitable for both utility and industrial applications. With configurable pickup levels, slope settings, and synchrophasor support, the GE Multilin G60 provides comprehensive generator protection aligned with modern grid requirements.

Technical Specifications

• Model / Order Number: G60

• Manufacturer: General Electric (GE Multilin)

• Type: Generator Management Relay

• Stator Differential Protection:

• Pickup: 0.050–1.00 pu

• Slope 1/2: 1–100%

• Break 1: 1.00–1.50 pu

• Break 2: 1.50–30.00 pu

• Power Swing Detection:

• Functions: Power swing block, out‑of‑step trip

• Measured Impedance: Positive sequence

• Blocking & Tripping Modes: 2‑step or 3‑step

• Tripping Mode: Early or delayed

• Current Supervision:

• Pickup Level: 0.050–30.000 pu

• Dropout Level: 97–98% of pickup

• Impedance Protection:

• Forward/Reverse Reach: 0.10–500.00 Ω

• Accuracy: ±5%

• Forward/Reverse Angle: 40–90° (±2° accuracy)

• Characteristic Limit Angles: 40–140°

• Timers: 0.000–65.535 s

Application Scenarios

• Generator stator differential protection in utility networks

• Power swing detection for grid stability

• Industrial generator management with advanced tripping logic

• Integration into systems requiring synchrophasor measurement

FAQ

Q: What type of protection does the GE Multilin G60 provide?  A: It offers stator differential protection, power swing detection, and impedance monitoring.

Q: Can the relay handle out‑of‑step conditions?  A: Yes, it supports both blocking and tripping functions for out‑of‑step scenarios.

Q: What is the accuracy of impedance measurement?  A: ±5% impedance accuracy with ±2° angle accuracy.

Q: Does the G60 support synchrophasor measurements?  A: Yes, it complies with IEEE C37.118 and IEC 61850‑90‑5 standards.