Sepam G60 Generator Protection Relay | Multifunctional Digital Generator Protection Relay for Synchronous Generators

🎯 Product Overview

The Sepam G60 Generator Protection Relay is a professional integrated digital protection device designed for synchronous generators in hydropower plants, thermal power plants, gas turbines and renewable energy distributed generation systems. It integrates all necessary generator protection, measurement, control and communication functions in one unit, providing comprehensive fault protection and operating status monitoring for generators of all capacities.

With advanced adaptive protection algorithms and high-speed digital processing platform, the Sepam G60 can quickly detect and clear various generator faults, reduce equipment damage, ensure continuous and stable power generation, and is an ideal protection solution for new and retrofit generator projects.

⚙️ Core Protection Functions

Main Protection Functions

Stator Winding Fault Protection

Stator phase-to-phase differential protection (87G)

Stator winding turn-to-turn fault protection

Stator ground fault protection (59N / 27TN)

Rotor Fault Protection

Rotor field ground fault protection (64F)

Loss of excitation protection (40)

Overexcitation protection / overvoltage protection (24 / 59 / 63F)

External Abnormal Protection

Out-of-step protection (78)

Reverse power protection (32R)

Motoring operation protection

Frequency under/over protection (47/81O/U)

Overload protection (49)

Abnormal stator temperature protection

Backup & Auxiliary Functions

Phase overcurrent & earth fault overcurrent backup protection

Breaker failure protection (BFP)

CT/PT circuit abnormality alarm

Generator starting/stopping logic control

Multiple binary input/output configurable for different control requirements

💡 Key Product Features

✅ High-precision High-speed Protection

16-channel 16-bit high-precision synchronous AC sampling

Fault tripping time < 30ms, quickly cut off fault to protect the generator from major damage

✅ Flexible Configuration Adaptability

Supports generators from 1MW to 300MW capacity

Adaptive to different connection modes (unit connection, generator-transformer unit, etc.)

All protection threshold and logic can be flexibly set according to on-site requirements

✅ Mature Communication Compatibility

Standard support IEC 61850 MMS, Modbus TCP, DNP3.0, IEC 103 protocol

Seamless docking with different brands of SCADA, power grid DCS system

Support remote query parameters and remote control operation

✅ Convenient Local Operation

7-inch large color TFT LCD display with graphic interface

Real-time display all operating parameters, fault waveform recording

Support USB interface for on-site parameter import/export and event data query

Local manual testing function, greatly reduce on-site commissioning workload

✅ Reliable Industrial Design

Pass strict EMC test, strong anti-interference ability, adapt to harsh power plant environment

Wide temperature working range: -40°C ~ +70°C

Meet IEC 60255 international standard, with CE, ISO certification

Long design life, more than 10 years trouble-free operation

📊 Main Technical Specifications

🏭 Application Fields

🔹 Hydropower Stations: Small and medium-sized run-of-river, reservoir-type hydropower station generators

🔹 Thermal Power Plants: Industrial self-provided power plant boiler turbine generator units

🔹 Gas-fired Power Generation: Gas turbine distributed power generation projects

🔹 Renewable Energy: Biomass power generation, small hydropower, pumped storage generator sets

🔹 Factory Self-provided Power Station: Steel, chemical, cement enterprise self-provided generator sets

🔹 Generator Retrofit: Protection device upgrade and retrofit for old power stations

🤝 Nanjing Zhuneng Electric Service Advantages

✅ Strict Quality Control: Each generator protection relay goes through full functional testing and high voltage test before delivery, stable and reliable

✅ Professional Technical Support: Our technical team has decades of experience in power system protection, provide full support from selection, solution design to on-site commissioning

✅ Accept Customized Requirement: Support custom function configuration, special voltage and special interface requirements, OEM service is available

✅ Fast Delivery: Standard products in stock, delivery within 3-7 working days after order confirmation

✅ Complete After-sales Guarantee: 12 months full warranty after delivery, provide lifetime technical consultation and after-sales service support

✅ **Complete Documentation: Provide full English technical manual, connection drawing, parameter setting guide for global customers