Based on the interrupting test results of this break unit with different parameters and structures, the physically designing principles of extinguishing arc fashion in HVDC breaker are introduced.

Kindt and colleagues devised a test to see if the cycle of fear could be eased by interrupting the brain's ability to recreate a memory of a traumatic event.

Besides, the paper introduces the method of interrupting the current by means of a synthetic loop with an arc-ignition device and presents an analysis of the test result.