Hitachi Vacuum Circuit Breaker

Its reduced size has been achieved through a 4 position vacuum valve that integrates a switching section consisting of a circuit breaker a disconnecting switch and an.

Hitachi vacuum circuit breaker. The 38 72 5 kv dead tank breakers are designed to excel in a broad range of power applications. They cut off current instantly in the event of a system failure due to lightning or other issues. Hitachi osygb 150 kit baffle contacts. Provides circuit breakers from 69 kv to 800 kv power transformers from 200 to 1000 mva and up to 800 kv and gas insulated switchgear from 69 kv to 800 kv.

Hitachi is developing gas circuit breakers gcb that work with high currents with voltages from 110 kv to 550 kv and accurately support increases in breaking capacity. The current main innovated equipment is introduced as below cubicle type vacuum insulated switchgear c vis high speed vacuum circuit breaker hsvcb energy storage for traction power supply system b chop stray current monitoring system scms. In 1987 we developed dc circuit breaker applied the vacuum interrupter for the railroad for the first time in the world. Premier manufacturer of substation equipment.

Is a premier international supplier of electrical equipment including dead tank high voltage circuit breakers gas insulated switchgear transformers and generator main circuit breakers. Circuit breakers are vital equipment for protecting transmission systems. Hitachi osygb 150 baffle stack assembly. Hitachi t d solutions inc.

Hitachi t d solutions also provides monitoring systems and parts services for all its products. A circuit breaker a disconnecting switch and an earthing switch. Insulated case circuit breakers. The first ever environmentally conscious vacuum circuit breaker hsv series spring spring gang operated interrupter features no sf6 gas required vacuum interrupter dry air insulated mechanism spring spring gang operated bushing type porcelain or composite bushings tank type cast aluminum tank design performance tested to 10 000 mechanical operations temperatures 50 c without.

About hitachi t d solutions inc. Utilizing technology pioneered by hitachi abb power grids and used across the industry today the dead tank breaker line features slipover current transformers as well as independent pole capability and self blast interrupters. Hitachi t d solutions inc. This switchgear is no larger than the 6 kv device and sufficiently satisfies initial objectives.