Research on Parameter Design Method of a Novel Limiting-current Hybrid HVDC Circuit Breaker
Solid state high voltage DC circuit breaker is based on power electronic components,such as IGBT and thyristor,has the advantages of fast action and low cost.Mechanical solid state circuit breaker has the advantages of long life,small on-state resistance,low on-state loss,high reliability and good safety.The fault current limiting circuit can limit the rise rate of DC short circuit fault current,thus reducing the sensitivity of the high voltage DC circuit breaker to fault response.In this paper,a new type of limited-current hybrid HVDC circuit breaker integrates the ad-vantages of solid HVDC circuit breaker,mechanical solid state circuit breaker and fault current limiting circuit.This paper introduces the topology and parameter design method of the circuit breaker.In order to verify the effectiveness of the topology and parameter design method,a simulation model was built using the simulation software PSCAD.The simulation results show that the new circuit breaker topology and parameter design method can effectively block the DC short-circuit fault current.
limiting-current hybrid HVDC circuit breakerparameter design methodDC short fault current
万方数据
维普
