An inverter capable of supplying a balanced threephase variable voltage, variable frequency output is feeding a three-phase induction motor rated for 50 Hz and 440 V. The stator winding resistances of the motor are negligibly small. During starting, the current in such can be avoided without sacrificing the starting torque by suitably applying

low voltage keeping the V/I ratio constant

rated voltage at rated frequency

An inverter capable of supplying a balanced threephase variable voltag

1.	An inverter capable of supplying a balanced threephase variable voltage, variable frequency output is feeding a three-phase induction motor rated for 50 Hz and 440 V. The stator winding resistances of the motor are negligibly small. During starting, the current in such can be avoided without sacrificing the starting torque by suitably applying
A.	low voltage at rated frequency
B.	low voltage keeping the V/I ratio constant
C.	rated voltage at low frequency
D.	rated voltage at rated frequency
Answer» E.

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