Microcomputer Digital Protection Relay
| US$900.00 | 1 pc (MOQ) |
Port:
Shenzhen, China
Production Capacity:
200 PCS/ Month
Payment Terms:
L/C, T/T, Western Union, Paypal
Changsha Guotong Electrical Technology Co., Ltd.
Hunan, China
Last Login Date:
Apr 03, 2025
Business Type:
Manufacturer/Factory
Main Products:
Integrated Automation System, Micro-Computer Protection Relay, Generator Differential Protection, Main Transformer Protection, Distance Protectin, Motor Protection and Control, Generator Control Panel, DC Power System, Transformer Backup Protection Device, Lcu Panel
Find Similar Products
Product Description
Company Info
Basic Info.
Model NO.
GTG-842
Theory
Solid State Relay
Usage
Communication Relay
Phase
3
Electricity Type
Dc
Number of Pole
2
Load
High Power Relay
Protective Characteristics
Enclosed Relay
Action Principle
Numeric Type
Size
Miniature
Type
Electric Parameter Relay
Relay Size
263*181*256mm
Rated DC Voltage
220V
Relay Weight
5 Kg
AC Current
5A or 1A
Rated Frequency
50 Hz
Trademark
Guotong Electric
Transport Package
Carton, Export Type Packing
Specification
ISO 9001 certificated
Origin
Changsha City, Hunan Province
HS Code
8536490000
Product Description
1. Scope of ApplicationGTG-84X digital generator protection measurement and control device is applicable to 50MW
and the below capacity of running alone or with system of parallel operation of generator protection and monitoring device, the series device with other protection measurement and control device and LCU (units and public) composed of power plant automation monitoring system, completion of the power plant automation control and protection.2. Function and CharacteristicsFunctional Configuration Table
Description 1:
:All actions have the exit protection are all arranged three outlet, respectively for the stepout, shutdown, de-excitation, corresponding action by soft pressure control and exit from the control word
changeover; Generator protection configuration as shown below:
Picture 1-2 Generator protection configuration diagram
Product Details
Factory Show
and the below capacity of running alone or with system of parallel operation of generator protection and monitoring device, the series device with other protection measurement and control device and LCU (units and public) composed of power plant automation monitoring system, completion of the power plant automation control and protection.2. Function and CharacteristicsFunctional Configuration Table
| Classify | Function Name | GTG-841 | GTG-842 | Description |
| Protection Function | Generator differential motion protection | √ | Description 1 | |
| Generator transverse differential protection | √ | |||
| Generator stator overload | √ | |||
| Generator stator grounding | √ | |||
| Generator rotor one-point grounding protection | √ | |||
| Generator rotor two-point grounding protection | √ | |||
| Loss of excitation protection | √ | |||
| Generator frequency abnormal protection | √ | |||
| Generator reverse power protection | √ | |||
| Generator over voltage protection | √ | |||
| Generator low voltage protection | √ | |||
| Generator compound voltage over current protection | √ | |||
| Generator negative sequence over current protection | √ | |||
| Generator quick break protection | √ | |||
| Generator zero sequence over current protection | √ | |||
| Exciting dynamo(transformer)quick break protection | √ | |||
| Exciting dynamo(transformer) over current protection | √ | |||
| Generator non-electricity protection | √ | |||
| TA disconnection test | √ | |||
| TV disconnection test | √ | |||
| Operation circuit | Power completely independent containing anti adjustable locking function operation circuit | √ | ||
| Control circuit abnormal alarm | √ | |||
| Measurement And Control Function | 16 way remote signal input collection, device remote signal shift, accident remote signal | √ | √ | |
| Normal circuit break remote deciliter, remote deciliter | √ | √ | ||
| P, Q, IA, IB, IC, Ua, Ub, Uc, COS, f | √ | |||
| Switch accident in statistics and event SOE etc | √ | |||
| Fault recorder | √ | √ | ||
| Time hack | Realize GPS time hack,network time hack | √ | √ | |
| Communication | Ethernet,RS232/458 communication interface | √ | √ |
:All actions have the exit protection are all arranged three outlet, respectively for the stepout, shutdown, de-excitation, corresponding action by soft pressure control and exit from the control word
changeover; Generator protection configuration as shown below:
Picture 1-2 Generator protection configuration diagram
Product Details
Factory Show
Send your message to this supplier
People who liked this also liked
US$53.90-54.00
1 Piece (MOQ)
US$210.00
1 Piece (MOQ)
US$13.00-13.90
1 Piece (MOQ)
US$5.00-8.10
5 Pieces (MOQ)
US$12.40-13.20
1 Piece (MOQ)
US$112.00
1 Piece (MOQ)
US$11.50-13.00
1 Piece (MOQ)
US$215.40-646.20
1 Piece (MOQ)
US$5.00-8.10
5 Pieces (MOQ)
US$3.15-3.73
100 pieces (MOQ)
