INSULATING OIL FILTERING APPARATUS FOR ON LOAD TAP CHANGER

摘要

PURPOSE: An insulating oil filtering device for tab changer part is provided to minimize a malfunction from the compression and expansion of bubble by preventing the compression of bubble inside the housing. CONSTITUTION: A housing (10) has an internal space (12) in the inside. A filter (20) which filters a foreign substance from insulating oil is installed in the internal space. An oil induction pipe (14) supplies the insulating oil to the inside of housing. An oil discharge pipe (16) discharges the insulating oil of the housing. An oil pump (18) pressurizes the insulating oil of the internal space.