Coupling reactor high-voltage direct current fault current limiter
A coupled reactance, high-voltage DC technology, used in emergency protection circuit devices, electrical components, circuit devices, etc. for limiting overcurrent/overvoltage, can solve the problems of difficulty in breaking large fault currents and high energy absorption of arresters, achieving The effect of reducing the capacity of a single capacitor, improving economic efficiency and improving service life
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[0018] In order to make the objectives, technical solutions and advantages of the present invention clearer, the following further describes the present invention in detail with reference to the accompanying drawings and embodiments. It should be understood that the specific examples described here are only used to explain the present invention, but not to limit the present invention. In addition, the technical features involved in the various embodiments of the present invention described below can be combined with each other as long as they do not conflict with each other.
[0019] The purpose of the present invention is to provide a coupled reactor type high-voltage DC current limiter, which aims to ensure that the high-voltage DC circuit breaker itself acts quickly, interrupts large currents and bears high voltages, and can limit the high-voltage side voltage during faults and reduce Breaking current, reducing energy absorption, and increasing the reliability of breaking with...
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