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Potential measurement method for determining several phase potentials, by means of field measurements and calculation using coupling coefficients derived from measurements taken with only one phase energized
Potential measurement method for determining several phase potentials, by means of field measurements and calculation using coupling coefficients derived from measurements taken with only one phase energized
With the method, before measurements are taken, possibly before commissioning, one phase busbar is energized at a known potential. From the measurements taken by the individual field sensors coupling coefficients are derived relating to the degree to which they are affected by the field generated by the other phases.
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