Lab / field


 

Grounding grid

Check of grounding elements and equipment grounding connection.

Check of corrosion state of grounded elements
.
.

 

 

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