Implementation of the commissioning of Outdoor Hi-Voltage Equipments and protection and control systems, including:
Cleaning and general inspection of all equipment
Checking the insulation power factor of all equipment
Verification of the ohmic insulation resistance of all equipment
Verification of transformation characteristics of transformers
Checking the polarity of the transformers
Checking the closing and opening time of circuit breakers and disconnecting switches
Alignment of the poles in disconnecting switches
Parametric operation counter check
General inspection with a view to identifying faults in the insulation and cracks in porcelains of the protection panels
General overhaul in busbars and power cable connections and control of protection panels
Implantation of the protection relay setting parameters
Checking and setting the minimum operating value and resetting the protection relays
Survey and measurement of the harmonic restriction characteristic of the protection relays
Test and measurement of the instantaneous unit of the protection relays
Testing of protection relay signaling units
Placement of control stamps and execution of services.