Upgrading Maintenance and Annual Inspection for Power Transmission and Transformation System

Upgrading Maintenance and Annual Inspection for Power Transmission and Transformation System

Primary equipment for maintenance includes generator set, switchgear (CB, CT, VT, etc), transformer, OHTL, cable and other HV equipment. All HV equipments play a critical role in power supply, which require regular routine maintenance, overhaul and inspection. Protection relays calibration, testing and co-ordination or upgrading for high voltage electrical system for oilfield electrical power system are of great significance. 

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