Questão de Eletrotécnica
What is the formula used to calculate the temperature rise by the resistance method?
The resistance method is the most reliable and accurate way to measure the temperature of a motor winding.
The formula takes into account the temperature of the winding before and after the test, as well as the temperature of the coolant.
The formula is based on the variation of the resistance of the copper conductor with temperature.
A
Only afirmation I is correct.
B
Only afirmation II is correct.
C
Only afirmation III is correct.
D
Afirmations I, II and III are correct.
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