UPG6-23138-2 Circuit Protection

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Circuit breakers are important devices that can help protect electrical installations from abnormal operating conditions, ensuring the safety of the electrical system. UPG6-23138-2 is a type of circuit breaker with specific applications and working principles.

This type of circuit breaker is mainly used by the national grid for outdoor protection of large power grids. It is a three-phase, manual-reset, spring-operated circuit breaker, with a rated voltage of 6.6 kV, rated current of 6.3 kA, and rated short-circuit breaking capacity of 20 kA. It also features advanced automatic tripping and reclosing functions, able to automatically detect and trip on any fault current, then reclose if no faults are present. This is ideal for power distribution systems, allowing for quick and reliable protection of the power network.

The UPG6-23138-2 operates on the same basic principle as all circuit breakers. When a fault current passes through the breaker, the springs in the breaker open the contacts of the circuit, creating an open circuit and preventing further current flow. This eliminates any potential harm to the circuitry. The trip and reset functions of the UPG6-23138-2 operate in the same manner as other circuit breakers, with an electromagnet pulling the springs back to the closed position after the fault clears.

The UPG6-23138-2 also features "intelligence", which helps to further ensure the safety of the grid. The circuit breaker has built-in protection against faulty trippage and will learn the load characteristics of the electricity grid in order to protect it in any situation. It is equipped with a reset mechanism that will detect any abnormal power flow and open the breaker, interrupting the power supply. It also monitors for the current load of the system and can trip if the load is too high or if any fuse has blown.

Overall, the UPG6-23138-2 is a reliable and robust circuit breaker that offers superior performance and reliability for the national grid. It has been tested in a variety of outdoor environments, including extreme weather conditions, and has proven to be an effective protection device for large power systems. The protection capabilities and intelligence built into the UPG6-23138-2 make it an ideal choice for outdoor protection of electric grids.

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