Changsha Guotong Electrical Technology Co., Ltd.
Main products:Intelligent Low Voltage Reactive Compensation Controller,Integrated Automation System for Transformer Substation,The Main Transformer Protection Panel for Substation,Measurement Panel,GTDW Series of High-frequency Switching DC Power Supply System
Products
Contact Us
  • Contact Person : Ms. Wu Betty
  • Company Name : Changsha Guotong Electrical Technology Co., Ltd.
  • Tel : 0086-0731-84210990
  • Fax : 0086-0731-84490880
  • Address : Hunan,Changsha,4F,A4 Building,Lugu International Industrial Park, No.229,Tongzipo West Road, Changsha High-Tech Development Zone
  • Country/Region : China
  • Zip : 410205

GTT-841 digital generator transformer protection and monitoring device electrical contorl panel

GTT-841 digital generator transformer protection and monitoring device electrical contorl panel
Product Detailed
Protection, control, measurement, communications, record wave functions into one

   

GTT-841 digital generator transformer protection and monitoring device

     GTT-841 digital generator transformer protection and monitoring device, is applicable to all levels of 110kV and below voltage level of the main generator transformer protection. GTT-841 as the main transformer unit protection devices to achieve a differential transformer unit differential protection and generator protection.

 Functional Configuration

  Function name

841 

Protection

  Poor flow down transformer unit

√ √

 Transformer unit rate differential (second harmonic restraint)

√ √

TA breaking blocking transformer unit rate differential

√ √

Differential current transformer unit more alarm limits

√ √

 Poor flow generator off

√ √

 Generator percentage differential

√ √

 TA breaking blocking rate differential generator

√ √

 The more limited differential flow generator alarm

√ √

 Operating circuit

 Independent power transfer with anti-lock function operation circuit

√ √

 Control loop abnormal alarm

√ √

Control Function

16 Yao letter open access, remote device letter shift, the accident telesignalling

√ √

Remote control division and the normal circuit breaker

√ √

 Switching frequency of accident statistics and events division and SOE, etc.

√ √

 Fault recorder

√ √

 On time

 GPS can be realized on, the network time

√ √

Communicate

Ethernet, CAN/RS232/485 communication interface

√ √

GTT-841 digital generator transformer protection and monitoring device electrical contorl panel



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