Grounding grid
Check of grounding elements and equipment grounding connection.
Check of corrosion state of grounded elements
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Power transformers 6/10 kw
Windings resistance relative to constant power.
Measurement of insulation resistance of windings.
Idle drive losses.
Transformer insulation resistance measurement.
Determination of the transformation coefficients.
current transformers
Windings resistance relative to constant power.
Determination of the transformation coefficients
measurement of insulation resistance
High voltage test
voltage transformers: 6/10 kw
Windings resistance relative to constant power.
Determination of the transformation coefficients
Protective equipments:
Piercing voltage test
transformer oils
Piercing voltage test
High-voltage insulated cable:
Cable insulation resistance measurement
High voltage test, Measurement of leakage power