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GR Series Relay

Product Overview

GRZ100 image

GR Series relays provide high performance and low cost through advanced technologies

  • High Performance
    • High speed operation
    • Excellent selectivity and transient stability
    • Fully numerical design
  • High reliability
    • Low failure rate due to stringent quality control
    • Automatic supervision of hardware and software
    • Optional fault detector for enhanced security
  • Low cost
    • Integration of multiple functions in a single package
    • Low power consumption and compact size reduce substation costs
  • Metering & recording
    • Real-time metering of power system quantities
    • Time-tagged storage of events and fault records
    • High quality disturbance records and accurate fault location
  • User-friendly Human Machine Interface (HMI)
    • Menu-based setting with LCD
    • Remote Setting and Monitoring (RSM) Software for access from a PC
  • Multiple communication interfaces
    • Local communication by front-mounted RS232 port
    • Remote communication by rear mounted RS485, Fibre-optic or Ethernet ports
    • Supports IEC 60870-5-103 protocol

Documentation

Download Service: Brochure

Brochure

Specialities

  • GRL150 - Toshiba announces the launch of a fully numerical line differential protection for communication either by pilot wire or direct fibre optic link
    Download[PDF File/277KB]
  • GRZ100 Enhancements[PDF File/94KB]
  • GRL100 Enhancements[PDF File/170KB]