Description
The ABB REU610 is a voltage protection relay designed for use in various applications within electrical power systems. Here’s a breakdown of its functionalities and potential applications:
Functionalities:
- Voltage Protection: The REU610 offers comprehensive protection against voltage abnormalities in the power system, including:
- Overvoltage: Detects and trips the circuit breaker in case of excessively high voltage levels.
- Undervoltage: Protects against voltage dips that can malfunction equipment.
- Residual voltage: Provides protection in medium-voltage systems with a neutral point not directly connected to ground.
- Monitoring: Continuously monitors voltage parameters on the power system.
- Control (optional): In some variants, the REU610 might offer control functionalities, such as load shedding during undervoltage events.
Applications:
The REU610 finds application in various scenarios to ensure voltage stability and protect equipment from voltage disturbances. Here are some common uses:
- Protection of electrical feeders and transformers: The REU610 safeguards these components from overvoltage or undervoltage events that could damage them.
- Monitoring of voltage quality: The relay helps maintain power quality within acceptable voltage ranges for connected equipment.
- Backup protection: It can provide backup protection for other voltage protection devices in the system.
- Industrial applications: The REU610 is used in various industrial facilities to protect sensitive equipment from voltage fluctuations.
Additional Resources:
Here are some resources where you can find more information about the ABB REU610: