In a synchronous motor armature current flows due to revolving flux which in turn rotates the load,but in no load condition armature current is zero hence thr is no revolving flux then how motor rotates?

9 Answers  

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How to take the Vector Group Test in Transformer? What is the purpose of doing Vector Group Test?

2 Answers  

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why is a avtomatic voltage regulator used for?

5 Answers  

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how to distinguish between ac motor and dc motor without seeing name plate of it.only seeing its getup look

3 Answers   Nahar, Siemens,

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I have an enquiry of develop solar power plant, 0.69/11kV, 1500kV/750/750kVA, Dy11y11 Transformer. I want to know what does 1500kV/750/750kVA means? Sorry if this is a noob question.

2 Answers  

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What does Bode plot tell you?

0 Answers   Ericsson,

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What happens with squirrel induction machines if the ends of rotor conductors are kept open? Explain

3 Answers  

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What is ELR, and where it is used ?

7 Answers   KSEB,

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What effect does a very low impedance have on the Voltage regulation? On the short-circuit current?

0 Answers  

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Why we use neutral cable just half from phase cable.Tell me briefly,please.

4 Answers  

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what is the different between RCCB & ELCB

3 Answers  

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What is a transductor ?

2 Answers  

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