Inspection and Maintenance Management of Substation DC Cabinets
As an important part of high voltage power supply and distribution system,DC cabinets are an important pre-requisite to ensure safe and stable operation of electrical system.A DC cabinet provides DC power for protection,accident lighting and circuit breaker opening and closing operation,and is the basis of power system control and protection.In order to ensure that DC cabinets can reliably provide DC power to power system during operation,it is necessary to carry out routine inspection and maintenance.This paper outlines inspection and maintenance of DC cabinets from the perspectives of test methods and procedures,which may contain useful information for daily operation of similar equipment.