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circuit breaker hvdc Maintenance Unit

HVDC Breaker: The Comeback of Gas-Discharge Tubes | Think Grid the first DC circuit breaker concept was proposed in the 1970's (using gas-discharge tubes at that time), it took around 40 years before the first economical, thus acceptable concept for a commercial use in a HVDC system [1] was developed: the 'hybrid' DC circuit breaker. Laboratory tested in 2013, it offered – at last – sufficiently low losses to be economic in a commercial ...

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