Products

WGB-876A Microcomputer-Based Voltage Transformer Monitor Device

WGB-876A Microcomputer-Based Voltage Transformer Monitor Device

WGB-876A Microcomputer-based voltage transformer monitor device is a microcomputer type voltage transformer monitoring device with perfect and advanced functions, it can realize VT automatic paralleling and switching function, under voltage protection, over voltage protection, earth-fault protection and VT circuit disconnected detection function, mainly apply to the section connection mode of single bus of 10kV voltage class and under. It can be directly installed in the high voltage switch cabinet or installed in a screen body

Application

WGB-876A Microcomputer-based voltage transformer monitor device is a microcomputer type voltage transformer monitoring device with perfect and advanced functions, it can realize VT automatic paralleling and switching function, under voltage protection, over voltage protection, earth-fault protection and VT circuit disconnected detection function, mainly apply to the section connection mode of single bus of 10kV voltage class and under. You can directly install it in the high voltage switch cabinet or in a screen body.


Product Feature

  • The working power supply features a wide design range and is compatible with both AC and DC.
  • Device adopt an all-in-one design concept, which built in five protection objects to support flexible switching.
  • Integrated chassis design, small volume, small occupation space, suitable for various cabinet installation.
  • Use graphic LCD English display, menu type operation, easy to use.
  • The binary inputs adopt strong electricity design, AC and DC universal, has strong anti-interference ability
  • Using independent high-precision ADC, with high protection accuracy and strong anti-interference ability.
  • Have an independent measurement function, and the power measurement accuracy up to 0.5.
  • The relay exports use a matrix configuration that allows for on-site programming and is easy to use.
  • Operation circuits is AC and DC universal and adapted to multiple operating mechanism.
  • Standard device is configured with RS485 and Ethernet communication interface, supporting multiple communication protocol such as IEC103 and Modbus.
  • 8 sets of protection setting value, and is convenient to switch protection setting zone.
  • Can save 400 recent report records to facilitate traceability analysis of problems.
  • Support the fault recording function, which is convenient for accident analysis.

Function configuration

No. Function name
Protection unction 1 Undervoltage protection
2 Overvoltage protection
3 Earth-fault protection
4 VT automatic paralleling
5 Voltage transformer circuit disconnected detection
Measure and Control Function 1 Remote signaling acquisition, change, alarm
2 Analog telemetering acquisition: Ua1, Ub1,Uc1, U01, Ua2, Ub2, Uc2, U02, Uab1, Ubc1,Uca1, Uab2, Ubc2, Uca2.