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Protection Relays & Systems - PGR-6133-120 Application Field and Working Principle

Protection relays are an important safety element in power systems. They provide overcurrent, overload, overvoltage, undervoltage, reverse power, ground fault, and other protection functions for power and distribution systems. The application of protection relays has been constantly creating new requirements and functions. The PGR-6133-120 protection relay is a new model of protection relay used in power systems. It can be used for power system protection in current, voltage, and energy applications.

Application Field

The PGR-6133-120 protection relay can be used for overcurrent, overload, overvoltage, undervoltage, reverse power, ground fault, phase unbalance, and other protection functions. It can be applied to power systems protection of extra-high voltage, high-voltage, and medium-voltage systems. It can also be used for transformer protection, motor protection, line protection, and generator protection.

Working Principle

The PGR-6133-120 protection relay works by sensing conditions in the electrical system and comparing them to pre-set limits. If the electrical parameters exceed the set limits, then the relay will trip the circuit breakers and isolate the faulty part of the system. The relay is equipped with multi-stage protection and fault recorder functions for improved information analysis. It has a communication interface and software for parameters setting and monitoring. The relay has a clear LCD display for displaying electrical parameters.

Advantages

The PGR-6133-120 protection relay has several advantages over conventional protection relays. It is equipped with fault location functions, allowing the operator the quickly identify the exact location of a fault in the system. It also equipped with multi-stage protection, allowing it to better adapt to different voltage levels. The relay is also equipped with a clear LCD display for displaying electrical parameters. Furthermore, the communication interface and software for parameters setting and monitoring makes the relay easier to use.

Conclusion

The PGR-6133-120 protection relay is a new model of protection relay used in power systems. It can be applied to power systems protection of extra-high voltage, high-voltage, and medium-voltage systems. It is equipped with fault location functions, multi-stage protection, and a clear LCD display for displaying electrical parameters. The relay also has communication interface and software for parameters setting and monitoring. This relay provides improved protection and easier operation for power system applications.

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