Product Specifications
| Prod Model: |
GTG-841 |
| Markets: |
North America,South America,Eastern Europe,Southeast Asia,Africa,Oceania,Mid East,Eastern Asia,Western Europe |
| Warranty: |
12 Months |
| Condition: |
New |
| Automatic Grade: |
Automatic |
| Certification: |
ISO |
Product Description
Scope of Application:
It 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.
Main Features:
A. 4U standard aluminum chassis, combination of plug-in structure, after the plug case, each functional module design alone, electricity are completely separated, strong anti-interference ability, convenient field maintenance;
B. CPU intelligent card design, open into the open plug-ins to achieve real-time complete self-test; Can be detected in each relay coil;
C. Plug-in based on CANBUS bus links between, reduce the connection between the connector plug, bad real time detection;
D. Double 32 computer systems, the redundant system; Protection function using the 32 bits floating-point DSP processor, program and data in the chip operation; Operation speed, high reliability;
E. Man-machine interface, network communication and other management functions by 32 ARM MCU, speed, on-chip memory capacity big, strong
Ability of network interface;
F. 16 AD sampling, high measuring precision; Weekly wave 48 sampling points, harmonic processing capability;
G. Protection module using computer assisted graphical interface design is convenient for the two series of products development and functional modifications, flexible, efficient engineering design;
H. Complete the circuit breaker control circuit is provided with a remote control, jump, closing, spring without stored energy blocking close function etc;
I. Use 192*64 monochrome graphic LCD, Chinese menu interface; The flexibility to choose double Ethernet and double 485 interface;
J. Can save at least 500 report recent incidents and operation report;
K. User management module using real-time multitask operating system, network interface, tasks such as real-time;
L. Can store 10 sets of protection setting value, double value zone self-test and mutual combination, setting change safely and convenient.
M. Based on electric power industry standard DL / T667-1999 (IEC 60870-5-103) standard communication protocol, and convenient with microcomputer monitoring or protect management computer network communication.
Rated Data:
A. Rated AC voltage: 220V (110V orders indicate) allowable deviation +15%, -20%
B. Rated AC data: Phase voltage 100√ 3 V
Zero-sequence voltage 100V
AC current 5A (1A orders indicate)
Rated frequency 50Hz (60Hz orders indicate)
C. Thermal Stability:
AC voltage circuit: Long time operation 1.4Un
AC current circuit: Long time operation 2In
10s 20In
1s 40In
|
Classify |
Function Name |
Protection
Function |
Generator differential motion protection |
|
Generator transverse differential protection |
|
Exciting dynamo(transformer)quick break protection |
|
Exciting dynamo(transformer) over current protection |
|
Generator non-electricity protection |
|
TA disconnection test |
Operation
circuit |
Power completely independent containing anti
adjust able 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 |
|
Fault recorder |
|
Time hack |
Realize GPS time hack,network time hack |
|
Communication |
Ethernet,RS232/458 communication interface |
Changsha Guotong Electrical Technology Co., Ltd is a professional company which specialized in electric power system automation product development, design, production, sales and related engineering implementation and services, at the same time provide the overall solution of electric power automation system, engaged in the transformer substation, power plants, microcomputer protection of hydropower station and unattended integrated automation system research and development, manufacturing, whole set, sales and after-sales service.
The company is located in Lugu national industrial park of Changsha high-tech development zone, covers an area of 60 mu, the production and office area is 20000 square meters. Company lays science and technology, quality, technology, services for the fulcrum of development, with series products, systematic technical applications, multi-level and continuing to meet the needs of power automation users as the goal.
Since the company's establishment, which has been more than tens of thousands of sets of microcomputer monitoring and protection device or system put into operation in many industries. On the basis of successful operation experience for many years of the procducts, combined with domestic and foreign theory of relay protection, computer technology, automatic control technology and the new development of communication technology, has launched a new generation with GT640 type protection unit as the core technology of GT6000 series microcomputer monitoring protection system as well as GT840 GT8000 unit as the core series microcomputer monitoring and protection system, more embodies the design thought that microcomputerization of protective monitoring function and modularized software and hardware. The launch of this series products, further simplifies design, installation, commissioning work of the system, improved the operation, maintenance and management level, enhanced the function of communication, measurement and management, created a new level of safe, stable and reliable operation for the microcomputer-based secondary equipment. After several years of development, the company formed a modern enterprise management system with technology and quality as the guide, service and marketing as the center, with capital and talent as the main body, and has become a well-known high-tech enterprise in domestic power system automation industries.
