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Higher Study | Power Electronics and Drives | Electric Drives

In ac drives, stable operating point is when
How long does it take for the conventional VFD (voltage and frequency-dependent) to turn off the inverter in order to start creating power?
As an energy efficient application, for what does the slip power recovery system fit well?
What happens in freewheeling diode in a single-phase semi-converter?
In which of the following cases is frequent starting and stopping of electric motors needed?
Which of the following pair is used for frequency converter?
For a three-phase induction motor drive, which of the following technique is NOT used?
Consider the following statements regarding the function of dc-dc converter in a dc motor: 1. It acts as regenerative brake 2. It controls the speed of motor 3. It controls the armature voltage of a dc motor. Which of the above statements are correct?
Consider the following statements regarding ac drives: 1. For the same kW rating, ac motors are 20% to 40% light weight as compared to dc motors. 2. The ac motors are more expensive as compared to same kW rating dc motors. 3. The ac motors have low maintenance as compared to dc motors. Which of the above statements are correct?
In an electric vehicle with vehicle to grid capability, which of the following power converters is suitable?
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