PRESSURE RELIEF DEVICE FOR AN EXTRA HIGH VOLTAGE CIRCUIT BREAKER, CAPABLE OF EXPLODING A PRESSURE RELIEF VALVE WITHOUT AN ADDITIONAL KNIFE

摘要

PURPOSE: A pressure relief device for an extra high voltage circuit breaker is provided to rapidly warn the explosion of a pressure relief side by including a sensor.;CONSTITUTION: A pressure relief side(100) hermetically seals an outlet of an extra high voltage circuit breaker. The pressure relief side includes a disc knife and a disc. A cut part is formed on a protrusion part of the disc knife. A plurality of bonding parts is formed on the cut part to control the explosion degree. A flange(200) fixes the pressure relief side to the extra high voltage circuit breaker. A sensor(300) senses and warns the explosion of the pressure relief side. A guide cover(400) guides an extinguishing gas downward when the pressure relief side is exploded.;COPYRIGHT KIPO 2010