Toshiba Energy Systems & Solutions Corporation

Product/Technical Services

Bay Control IED GBU200

Product Overview

The GBU200 bay control IED has been designed to provide bay control and protection functions for application to transmission lines and distribution feeders in all types of network. The GBU200 provides functions for the control and monitoring of switchgear, transformer and other equipment in EHV, HV, MV and LV substations. It can also support feeder protection functions such as directional overcurrent and earth fault protections within the flexible and user-friendly GR-200 Series platform.


Technical Description

Control functions

  1. Circuit breaker and isolator control

  2. Switchgear interlock check

  3. Transformer tap change control

  4. Synchronism voltage check between different networks

  5. Programmable automatic sequence control

  6. Manual override

  7. Transducer input (DC-AI)

  8. Transducer output (DC-AO)

  9. Power quality monitoring (option)

  10. Autoreclose (upto 5 shot)

Bay Control IED GBU200 Products Image

Protection functions

  1. Directional or non-directional overcurrent and earth fault protection

  2. Sensitive directional or non-directional earth fault protection

  3. Undercurrent protection

  4. Directional or non-directional negative sequence overcurrent protection

  5. Negative sequence overvoltage protection

  6. Thermal overload protection

  7. Under- and over-voltage protection

  8. Under- and over-frequency protection

  9. Rate-of-change of frequency

  10. Broken conductor detection

  11. Circuit breaker fail

  12. Cold load protection

  13. Voltage controlled overcurrent

  14. Switch on to Fault

Metering and recording functions

  1. Metering
    - Power system currents, voltages, power, frequency and power factor

  2. Recording
    - Event record
    - Fault record
    - Disturbance record

Communication Protocols

  1. IEC 61850 (Ed 1.0 and 2.0) or IEC 60870-5-103 for communication with a Substation Automation System

  2. IEC62439 PRP/HSR/RSTP for communication redundancy

Human interfaces

  1. Selection of HMI: Standard LCD, large LCD or separate large LCD

  2. 24 configurable tri-state LEDs selectable red/green/yellow

  3. 7 programmable function keys for user demand operation

  4. Personal computer interface (USB and Ethernet ports)

  5. Monitoring jacks for internal circuit test

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