SR745-W2-P1-G1-HI-A-L-R-E 745 transformer protection system

Description

SR745-W2-P1-G1-HI-A-L-R-E 745 transformer protection system

Product Description

Basic information:
Brand: GE/ General Electric
Manufacturer: GE Multilin
Series: 745 transformer protection system
Technical specifications:
Analog output large loads: 10 kΩ, 0 to 1 mA, 600Ω, 4 to 20 mA
Chassis: 745 SR series
Dimensions: 9 “H, 7⅛” D, 7 “wide
Weight: About 4.8kg
Functional features:
Enhanced LCD and keyboard: allows users to manually adjust Settings for easy operation.
Overload resistance time: 80 times the rated power flow of the overload resistance time to 1 second, 3 times rated current continuous overload resistance time (specific parameters may different according to the specific model).
Solid state output is rated up to 15 A, 250 V DC, lasting 500 ms.
Package design: The device is packaged in a 745 SR Series case to protect the relay during pull out operation, preventing dust from entering and damaging the relay.
Universal programming Structure: FlexLogic™ technology can be used in conjunction with the Set point function to create programming structures specific to system requirements.
Protection and management functions:
Underfrequency and overfrequency protection
Transformer overload protection
CT correction coefficient, etc
Environmental adaptability:
Operating temperature range: -40°F to +140°F (may vary depending on the model)
The condensing humidity: 90%
Altitude: Up to 2000m
User interface and monitoring:
The front panel contains more than one LED lamp, used to indicate the system during the normal function of various states, such as self-inspection errors or transformer overload, etc.
Users can connect to the RS232 port of computer equipment, using the EnerVista 745 software easily save and load value.
Communication and connectivity:
User support built-in Ethernet communication, support SRTP and Modbus TCP/IP application protocol.
Connections can be made via Ethernet, the front RS232 port, or the RS485/RS422 port located on the back of the panel.
Programming and configuration:
Multiple programming languages are supported, such as ladder Diagram (LDI), Instruction List (IL), Structured text (ST), and C block.
The Enervista 745 software is used to configure, maintain, troubleshoot and monitor relay function operations.

SR745-W3-P5-G5-HI

Product parameter

Application field

Power system protection:
In the power system, the transformer is the core equipment for the transmission and distribution of electric energy. SR745 series relays can provide comprehensive protection, including over current, over voltage, under voltage, overload, short circuit, differential and other protection functions to ensure that the transformer is timely and effective protection under various fault conditions to ensure the stable operation of the power system.
Power plant:
Power plants often contain large transformers that are used to boost or reduce voltage to meet transmission and distribution needs. The SR745 series relay can accurately monitor and control the transformer operation status of the power plant, detect potential faults in time and take appropriate protective measures to ensure the safe and efficient operation of the power plant.
Substation:
The substation is an indispensable part of the power system, and the transformer is the key equipment to connect the power grid with different voltage levels. The SR745 series relay provides precise transformer protection to ensure the safe and stable operation of the substation. At the same time, its flexible configuration and expansion capabilities also adapt to the complex and changeable operating environment and protection needs of the substation.
Industrial and Commercial Power Distribution Systems:
In the industrial and commercial sectors, distribution systems often contain multiple transformers that are used to meet a variety of electricity needs. The SR745 series relay provides comprehensive protection to ensure a stable and reliable power supply for industrial and commercial users.
Renewable energy systems:
With the rapid development of renewable energy sources, such as wind energy, solar energy, etc., transformers in these systems also need high-performance protection systems to ensure their safe and stable operation. The SR745 series of relays can meet the needs of these special application scenarios and provide customized protection solutions.
Smart Grid and Energy Management:
In smart grid and energy management systems, transformer protection relays not only need to provide basic protection functions, but also need to be able to communicate and coordinate with smart devices and systems. The SR745 series relays support multiple communication protocols and interfaces, enabling seamless integration with smart grid and energy management systems for smarter protection and management.
In summary, the SR745-W2-P1-G1-HI-A-L-R-E (or similar GE Multilin transformer protection relays) has a wide range of applications in power systems, power plants, substations, industrial and commercial distribution systems, renewable energy systems, and smart grids and energy management.

Please contact Sunny sales@xiongbagk.cn for the best price.

➱ sales manager: Sunny
➱ email mailto: sales@xiongbagk.cn
➱ Skype/WeChat: 18059884797
➱ phone/Whatsapp: + 86 18059884797
➱ QQ: 3095989363
➱ Website:www.sauldcs.com