GE UR8LH Universal Relay Series CT/VT Module

GE  UR8LH  Universal Relay series CT/VT module

The UR8LH is a CT/VT (Current Transformer/Voltage Transformer) module produced by GE Multilin for its universal relay series. It is primarily used for current and voltage measurement in power systems and can also provide various protection and control functions. The specific introduction is as follows:

Functional CharacteristicsCT/VT Input

• Supports multiple types of CTs/VTs, enabling precise measurement of current and voltage to provide accurate data for monitoring and control of power systems.

Multifunctional Integration

• Integrates multiple protection functions such as overcurrent, overvoltage, and undervoltage, effectively preventing equipment damage caused by abnormal voltage or current and ensuring the safe and stable operation of the system.

Flexible Configuration

• Allows configuration of parameters such as measurement ranges and protection thresholds according to actual needs, adapting to different application scenarios and system requirements.

High Reliability

• Adopts an industrial-grade design with strong anti-interference capabilities, suitable for harsh industrial environments to ensure stable module operation.

Modular Design

• Facilitates expansion and maintenance, helping to reduce system maintenance costs and improve scalability.

Support for Multiple Communication Protocols

• Enables communication with various controllers and devices, facilitating integration into different control systems to achieve data transmission and remote control.

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Product Functions and ApplicationsCurrent/Voltage Measurement

• Precisely measures current and voltage values in circuits, providing key data for operational monitoring of power systems.

Overcurrent/Overvoltage Protection

• When the current or voltage in the circuit exceeds the set threshold, the module can promptly take protective measures, such as cutting off the circuit or sending an alarm signal, to protect equipment from damage.

Undervoltage Protection

• Prevents equipment from stopping operation or malfunctioning due to excessively low voltage, ensuring normal equipment operation.

Status Monitoring

• Monitors the operating status of equipment, such as phase sequence imbalance, to promptly detect potential issues and facilitate fault troubleshooting and handling by maintenance personnel.

Control Output

• Controls the operating status of equipment based on measurement results and preset logic, achieving automated control of power systems.

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Application FieldsIndustrial Automation

• Applicable to scenarios such as motor control, frequency converter control, and power distribution system protection, ensuring stable operation of industrial production processes.

Power Systems

• Suitable for power substation protection, distribution automation, etc., helping to improve the reliability and safety of power systems.

Process Control

• In the field of process control such as chemical engineering and metallurgy, it can monitor and control electrical parameters in the production process to ensure that the production process proceeds as required.