This option allows neutralizing the residual magnetization of the power transformer core after the winding resistance test. The principle of the option is to apply a constant current of alternate polarities to the transformer winding, as per the IEEE 0062 1995 standard.
STDE Transformer demagnetizer
- Constant current, voltage limited generator
- Maximum test current: 7 A DC
- Maximum test voltage: 70 V DC
- Output current stability: better than 0.5% of the rated value
- Automatic current direction reversal
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