Technical Specifications:

1. Model: SR745-W2-P5-G5-HI
2. Type: Multifunction Protection Relay
3. Input Voltage:
   • Rated Voltage: Typically operates on a wide range of voltage inputs; specific values should be confirmed from the datasheet.
   • Burden: Information regarding power consumption and burden on the relay is detailed in the datasheet.
4. Current Inputs:
   • CT Inputs: Designed to accept various current transformer (CT) inputs; specific ranges and accuracy are outlined in the datasheet.
5. Communication Ports:
   • Ethernet: Provides network connectivity for remote access and integration.
   • RS-485: Serial communication port for connection to other devices or systems.
   • Optional Ports: Additional communication ports may be available based on configuration.
6. Dimensions: Compact and designed for standard control panels; exact dimensions are specified in the datasheet.
7. Environmental Conditions: Built to operate within specific temperature and humidity ranges; detailed environmental ratings are provided in the datasheet.

Functional Features:

1. Protection Functions:
   • Overcurrent Protection: Protects against overcurrent conditions by tripping the relay when current exceeds set thresholds.
   • Differential Protection: Provides protection by comparing the current entering and leaving a zone to detect faults.
   • Distance Protection: Measures impedance to protect against faults at various distances from the relay.
   • Backup Protection: Offers backup protection functions for various fault conditions.
   • Frequency Protection: Monitors and protects against abnormal frequency conditions.
2. Control Functions:
   • Automation and Control: Facilitates automation of switching operations and provides control functions.
   • Programmable Logic: Allows for custom logic functions to tailor protection and control schemes.
3. Monitoring and Diagnostics:
   • Real-Time Monitoring: Monitors real-time electrical parameters, such as voltage, current, and power.
   • Event Logging: Records and logs events and disturbances for analysis and troubleshooting.
   • Alarms and Notifications: Configurable alarms and notifications for fault conditions and system anomalies.
4. User Interface:
   • Display: Features an LCD or similar display for local configuration and monitoring.
   • Software Tools: Compatible with GE’s configuration and diagnostic software for detailed setup and analysis.

Applications:

1. Industrial Protection:
   • Machinery and Equipment: Protects industrial machinery and equipment from electrical faults.
   • Process Control: Ensures safe and reliable operation of industrial processes.
2. Utility Protection:
   • Substation Protection: Provides protection for electrical substations and distribution networks.
   • Grid Protection: Used in power grids to enhance stability and reliability.
3. Commercial Buildings:
   • Building Systems: Protects critical electrical systems and infrastructure within commercial buildings.
4. Power Generation:
   • Generator Protection: Offers protection for power generation equipment and systems.

Additional Information:

• Software Compatibility: Typically works with GE’s protection and control software for advanced configuration, monitoring, and data analysis.
• Installation: Designed for straightforward installation in standard control panels or enclosures; detailed installation instructions are included in the product manual.
• Certification and Compliance: Meets industry standards and certifications for safety, performance, and electromagnetic compatibility (EMC).