IEGH6666-28738-2-V

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Circuit Breakers

A circuit breaker is an important device that helps protect an electrical circuit from damage due to overload or short circuits. It is designed to automatically detect a fault condition and interrupt the current flowing through the circuit so that the circuit is no longer energized. Circuit breakers can be used to protect both low voltage and high voltage applications and are typically categorized according to voltage and current ratings.

IEGH6666-28738-2-V Application Field and Working Principle

The IEGH6666-28738-2-V is an ultra-high voltage DC circuit breaker designed to protect electrical circuits against overloads and short circuit current surges. It has a current rating of 6666 Amps and an interrupting capability of up to 28738 MVA. This breaker is commonly used in substations where the voltage levels are high, such as those supplying power to overhead railway lines.

The working principle behind this circuit breaker revolves around the use of a vacuum interrupter, which contains a sealed container filled with a noble gas. When the circuit breaker is tripped, the vacuum interruption chamber is filled with noble gas. This gas acts as a dielectric medium between the contacts which, when broken, ensures that no electrical arc can form between the contacts. This eliminates the risk of an electrical fire.

The IEGH6666-28738-2-V also has a variety of internal mechanisms that help protect the breaker from damaging electrical problems. These include protective relays that detect faults such as an over-temperature condition, an unbalanced three-phase current, a ground fault, and more. The breaker also contains trip coils which, if energized, will open the circuit breaker contacts and shut off the electrical supply.

The IEGH6666-28738-2-V is an important tool when it comes to ensuring the safety and reliable operation of electrical systems in areas of high voltage. It not only protects the system from overloads and short circuit surges, but also from other potentially dangerous electrical problems. The IEGH6666-28738-2-V is an essential component in any power plant’s electrical system and deserves to be given the attention it deserves.

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