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Voltage Regulattors And Load Tap Changes

To perform scheduled preventive maintenance in the field on single-phase, line-type voltage regulators, transformer load tap changers, and their associated mechanical or static controls as outlined below.
  • Insulation Power Factor
  • Insulation Resistance
  • Winding and Tap Changer Resistance
  • External Inspection
  • Oil Dielectric Testing
  • Oil Color Analysis
  • The control unit will be tested and the calibration checked in accordance with the manufacturer's specifications. This will include:
  • Time Delay
  • Voltage Level
  • Bandwidth
  • Motor Control
  • Line Drop Compensation Functions (if applicable)