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GE URRHH

The GE URRHH is a model within General Electric’s UR (Universal Relay) series, which is renowned for its flexibility and robust performance in protection, control, and monitoring of electrical systems. The UR series is designed to cater to a wide array of applications across various industries.

Detailed content

Technical Specifications:

  1. Model: URRHH
  2. Type: Universal Protection Relay
  3. Power Supply:
    • Rated Voltage: Typically operates with input voltages ranging from 48V to 250V DC or 120V to 240V AC. Specific details on voltage ranges should be confirmed with the datasheet.
    • Power Consumption: Information regarding power consumption is detailed in the datasheet.
  4. Current Inputs:
    • CT Inputs: Designed to accept current transformer (CT) inputs. The relay supports various CT input ranges depending on the application. Detailed specifications are available in the datasheet.
  5. Communication Ports:
    • Ethernet: Provides Ethernet connectivity for network communication, enabling remote monitoring and integration with other systems.
    • RS-485: Serial communication port for interfacing with other control and monitoring devices.
    • Optional Ports: Additional communication options such as USB or fiber optics may be included based on configuration.
  6. Dimensions: Typically designed for standard panel mounting; exact dimensions and mounting details are provided in the datasheet.
  7. Environmental Conditions:
    • Operating Temperature: Generally operates within a temperature range of -20°C to +60°C.
    • Humidity: Designed for operation in environments with up to 95% relative humidity, non-condensing.

Functional Features:

  1. Protection Functions:
    • Overcurrent Protection: Provides protection against overcurrent conditions with adjustable settings to suit various requirements.
    • Differential Protection: Offers differential protection by comparing currents at different points to detect and isolate faults within a specific zone.
    • Distance Protection: Measures impedance to provide protection against faults occurring at different distances from the relay.
    • Frequency Protection: Monitors and protects against abnormal frequency conditions.
    • Voltage Protection: Includes both undervoltage and overvoltage protection features.
    • Phase and Ground Fault Protection: Detects and responds to phase and ground faults to ensure system stability and safety.
  2. Control Functions:
    • Automation: Facilitates automated switching and control operations to enhance operational efficiency.
    • Programmable Logic: Offers programmable logic capabilities for creating customized protection schemes and control strategies.
  3. Monitoring and Diagnostics:
    • Real-Time Monitoring: Provides real-time data on electrical parameters such as voltage, current, and power.
    • Event Logging: Records and logs events, alarms, and operational data for comprehensive analysis and troubleshooting.
    • Alarms and Notifications: Configurable alarms for various fault conditions and system anomalies.
  4. User Interface:
    • Display: Features an LCD or similar display for local configuration, monitoring, and diagnostics.
    • Software Tools: Compatible with GE’s configuration and diagnostic software for detailed system management and analysis.

Applications:

  1. Industrial Protection:
    • Machinery and Equipment: Used to protect industrial machinery and critical equipment from electrical faults and disturbances.
    • Control Panels: Applied in control panels to ensure the reliable operation of industrial processes and systems.
  2. Utility Protection:
    • Substation Protection: Provides protection for electrical substations and distribution networks.
    • Grid Protection: Enhances the reliability and stability of power grids.
  3. Commercial Buildings:
    • Power Distribution: Protects power distribution systems within commercial buildings.
    • Critical Infrastructure: Safeguards critical electrical systems and infrastructure to ensure continuous operation.
  4. Power Generation:
    • Generator Protection: Ensures protection and reliability of power generation equipment.

Additional Information:

  • Software Compatibility: Integrates 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 provided in the product manual.
  • Certification and Compliance: Meets industry standards and certifications for safety, performance, and electromagnetic compatibility (EMC).

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