A 240 V, single-phase motor draws 7,5 A from the supply. If the motor operates at a power factor of 0,9 lagging:
a) Calculate the phase angle at which the motor is operating.
b) Calculate the input power to the motor.
c) Calculate the active and reactive components of the current.
d) Calculate the apparent and reactive powers of the motor.
e) Express the apparent power of the motor in the polar form.
f) By converting the polar form in Question e) above to the rectangular form, show that the answers you obtained to Question d) above are correct
Негізгі бет Example 3.15 - N4 Electrotechnics
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