GE SR745-W2-P1-G1-HI-E-H
1. Overview
The SR745-W2-P1-G1-HI-E-H is a transformer protection relay in the GE Multilin series, specifically designed for the protection and management of transformer systems. This product features high configurability, allowing customized settings based on specific system requirements to meet the needs of different application scenarios. In addition to basic protection functions, the relay is equipped with advanced monitoring and management capabilities, ensuring the stable operation of transformer systems and extending their service life.
2. Parameters
The main parameters of the SR745-W2-P1-G1-HI-E-H are as follows:
- Rated Voltage: 380 V three-phase four-wire
- Rated Frequency: 50 Hz
- Transformer Capacity: 80 kVA to 1000 kVA
- Protection Functions: Overload protection, short-circuit protection, differential protection, inrush current protection, overvoltage protection, undervoltage protection, harmonic protection, frequency protection, etc.
- Operating Temperature: -25°C to +50°C
- Storage Temperature: -40°C to +85°C
- Relative Humidity: <95% (non-condensing)
- Protection Class: IP20
- Dimensions: 220 mm x 180 mm x 100 mm
- Weight: 2 kg
3. Product Features
- Multiple Protection Functions: Provides comprehensive transformer protection, including overload, short-circuit, differential, and inrush current protection, to ensure the safe operation of transformers.
- High Precision and Reliability: Adopts high-quality components and designs to ensure long-term stable operation.
- User-Friendly: Features an intuitive interface and simple settings for convenient user operation.
- FlexLogic Technology: Allows users to create programming structures specific to system requirements, enabling flexible protection and management functions.
- Communication Interfaces: Supports multiple communication protocols such as Ethernet, RS232, RS485, Modbus, and IEC 61850, facilitating integration with substation automation systems.
- Monitoring and Diagnostics: Offers real-time data monitoring, event logging, and fault diagnosis functions, facilitating maintenance and troubleshooting.
4. Structure and Composition
The SR745-W2-P1-G1-HI-E-H adopts a modular design for easy installation and maintenance. Its structure includes:
- Chassis: Uses the 745 SR series chassis to protect the relay from dust and external environmental factors.
- Front Panel: Equipped with an LCD display and LED indicators for showing system status and fault information.
- Input/Output Interfaces: Provides multiple input/output interfaces to support various communication protocols and control functions.
- Power Module: Delivers stable power supply and supports a wide range of voltage inputs.
5. Application Fields
The SR745-W2-P1-G1-HI-E-H is widely used in the following fields:
- Power Systems: Applied in power plants, substations, power transmission and distribution systems, etc.
- Industrial Applications: Used for transformer protection and management in industrial environments.
- Public Utilities: Utilized in urban public facilities such as water supply, power supply, and transportation systems.
- Other Industries: Including oil, natural gas, chemical engineering, manufacturing, and more.
6. Installation and Maintenance
- Installation: The SR745-W2-P1-G1-HI-E-H can be installed on a standard 19-inch rack. Attention should be paid to the installation position of the chassis and ventilation conditions.
- Maintenance: Regularly check the equipment status to ensure normal system operation. It is recommended to perform regular fault diagnosis and maintenance to ensure the long-term reliability of the equipment.
- Troubleshooting: Utilize the diagnostic functions and communication interfaces provided by the equipment to quickly locate and resolve faults.
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