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A 3 φ I.M. has synchronous speed of 250rpm and 4% slip at full load. The rotor has a resistance of 0.02Ω/ph and stand still reactance of 0.15Ω/ph. Calculate i) The speed at which max torque is developed. ii) The ratio of maximum to F. L. torque. iii) The ratio of maximum to starting torque.
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What is a synchronous rectifier?
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What is the difference between a synchronous and an induction generator?
What is the difference between synchronous and asynchronous motors?
What is a synchronous generator?
What are the advantages of synchronous rectification?
What is the difference between a diode and a synchronous rectifier?
What is a static synchronous compensator?
What are synchronous condensers?
What is the purpose of damper windings in synchronous machines?
How does power factor correction work in synchronous motors?
What is synchronous speed in AC machines?
How does a permanent magnet synchronous motor operate?
What is the function of a synchronous rectifier?
What is the purpose of a pole slipping protection scheme in synchronous motors?
What is the purpose of a loss of field protection scheme in synchronous generators?
What is the difference between a synchronous and asynchronous motor?
What is the difference between a synchronous and asynchronous counter?
How does a static synchronous compensator (STATCOM) work?
How does body diode conduction loss affect the efficiency of a synchronous buck converter?
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How does synchronous rectification improve efficiency in DC-DC converters?
What is the purpose of a synchronous buck converter?
How does synchronous rectification improve efficiency in switch-mode power supplies?
Explain the working principle of a virtual synchronous generator.
Explain the working principle of a static synchronous compensator (STATCOM).
How does clock skew affect synchronous digital circuits?
What is the difference between synchronous and asynchronous clock domains?
What is the difference between synchronous and asynchronous ADCs?
What is the purpose of synchronous rectification in power supplies?
How does a synchronous motor differ from an induction motor?
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what is the difference between synchronous generator & asynchronous generator?
What is the difference between synchronous generator & asynchronous generator?
What happen when Induction motor run at synchronous speed?
What are the different methods for the starting of a synchronous motor ?
List different starting methods of three phase synchronous motor. Explain any one of them.
Draw and explain 'V' and 'inverted V curves' for synchronous motor.
Define voltage regulation of an alternator. Explain synchronous impedance method for finding regulation of alternator.
Explain the effect of variable excitation on the behaviour of synchronous motor under constant load condition.
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