![]() These components can be located on the substation and are connected to the switchgear assemblies.īelow are the maintenance procedures (some may not apply to dry-type transformers) based on the electrical equipment & maintenance checklist: Transformers are electrical components that change the voltage of the electrical current without changing its frequency. Insulation - visual inspection, cleaning, and electrical tests.Enclosures - security check and operational check.Depending on the amount of voltage they are distributing, these assemblies can be called high-voltage, medium-voltage, or low-voltage. Switchgear assemblies are centralized assemblies of various electrical components such as circuit breakers, switches, protection devices, and fuses to effectively distribute a transformed electrical current. Air-disconnecting Switches - visual inspection, operation test, and connector tightness testĪside from these, it is also recommended to include substations in the daily electrical maintenance checklist for housekeeping.Grounding Equipment - visual inspection, connector tightness test, and ground test. ![]()
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