DIRECT CURRENT BREAKER AND ELECTRICAL POWER SYSTEM COMPRISING SUCH DIRECT CURRENT BREAKER

摘要

The invention relates to a direct current breaker (10) for a high voltage direct current application. The direct current breaker (10) comprises: two high voltage electron tubes (11) arranged in an anti parallel connection and a control circuit (15) for receiving from a control system (13) infrared pulses comprising control information the control circuit (15) further comprising means for converting the infrared pulses into electrical control signals for controlling a switching status of the direct current breaker (10). The invention also relates to an electrical power system comprising such direct current breaker.