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GE UR9KH

The GE UR9KH is a model from General Electric’s UR (Universal Relay) series, designed to provide advanced protection, control, and monitoring functionalities for various electrical systems. As part of GE’s UR series, the UR9KH relay is noted for its flexibility and robustness, suitable for a wide range of applications.

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Detailed content

Technical Specifications:

  1. Model: UR9KH
  2. Type: Universal Protection Relay
  3. Power Supply:
    • Rated Voltage: Typically operates with a range of input voltages; common ranges include 48V to 250V DC or 120V to 240V AC. Specific voltage ranges should be verified with the datasheet.
    • Power Consumption: Detailed information about power consumption is provided in the datasheet.
  4. Current Inputs:
    • CT Inputs: Designed to accept current transformer (CT) inputs. The relay supports various CT ranges and configurations depending on the application. Specific details are included in the datasheet.
  5. Communication Ports:
    • Ethernet: Supports Ethernet communication for remote access, monitoring, and integration with other systems.
    • RS-485: Serial communication port for connecting with additional control devices.
    • Optional Ports: Additional communication interfaces, such as USB or fiber optics, may be available depending on configuration.
  6. Dimensions: Typically designed for standard panel mounting. Exact dimensions and mounting details are specified in the datasheet.
  7. Environmental Conditions:
    • Operating Temperature: Usually operates within a temperature range of -20°C to +60°C.
    • Humidity: Designed to operate in environments with relative humidity up to 95% non-condensing.

Functional Features:

  1. Protection Functions:
    • Overcurrent Protection: Provides adjustable protection against overcurrent conditions.
    • Differential Protection: Compares currents between different points to detect and isolate faults within a specific zone.
    • Distance Protection: Measures impedance to protect against faults at various distances from the relay.
    • Frequency Protection: Offers protection against abnormal frequency conditions.
    • Voltage Protection: Includes undervoltage and overvoltage protection functions.
    • Phase and Ground Fault Protection: Monitors and responds to phase and ground faults to ensure system protection.
  2. Control Functions:
    • Automation: Supports automated switching and control operations to improve operational efficiency.
    • Programmable Logic: Provides programmable logic capabilities for customized protection schemes and control strategies.
  3. Monitoring and Diagnostics:
    • Real-Time Monitoring: Offers real-time monitoring of electrical parameters such as voltage, current, and power.
    • Event Logging: Logs events, alarms, and operational data for troubleshooting and analysis.
    • Alarms and Notifications: Configurable alarms for various fault conditions and system anomalies.
  4. User Interface:
    • Display: Equipped with an LCD or similar display for local configuration, monitoring, and diagnostics.
    • Software Tools: Compatible with GE’s suite of configuration and diagnostic software for comprehensive system management and analysis.

Applications:

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

Additional Information:

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

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