GE Multilin W650 Wind Generator Protection Relay


Wind Generator Protection System

The modular W650 unit has been designed as a comprehensive generator controller specially adapted to wind turbine generators.Based on the state of the art W650 family, it utilizes modern 32 bit processor platform to provide a complete solution not only for the needs of present systems but also ready for the future.

Key Benefits:

  • All in one box: protection, control, metering and monitoring
    – Flash memory for field upgrades – Can Bus interface – Ethernet communications




  • Wind turbine protection, control and monitoring
  • Distributed generation grid device


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Protection & Control:

  • Phase, neutral, ground and sensitive ground instantaneous and time overcurrent (50/51)
  • Bi-directional protection capability (67)
  • Negative sequence overcurrent (46)
  • High speed over voltage (59)
  • High speed under voltage (27)
  • Neutral overvoltage (59N)
  • Auxiliary over and Undervoltage units (27X/59X)
  • Voltage unbalance (60V)
  • Overfrequency (81O)
  • Underfrequency (81U)
  • Flexible power units for real or reactive: Overload, underpower, reverse power (32)
  • Interface to external PLC using Can Bus
  • Breaker failure (50BF)
  • Fuse failure
  • Configurable PLC logic according to IEC 61131-3
  • Fully configurable graphic display HMI interface
  • Alarms panel


Monitoring & Metering:

  • Current, voltage, power, power factor, frequency measurement
  • Energy metering
  • Demand metering
  • Trip circuit monitoring
  • Oscillography
  • Data logger
  • Sequence of events
  • Self diagnostic


User Interface:

  • Large graphic (16×40) or regular (4×20) character display
  • Easy to use control via Shuttle key
  • Front RS232
  • Rear wire 10/100 BaseTX Ethernet for LAN connection
  • Rear wire CAN bus port (OPEN CAN protocol)
  • Optional fibre optic 100 Base FX Ethernet, single or redundant
  • Optional rear RS485 port
  • 1 ready LED and 15 programmable LED indicators





  • Modbus serial RTU (serial ports)
  • Modbus TCP/IP (Ethernet port)
  • OPEN CAN (Can port only

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