if the armature current in a dc generator is ac ( sinusoidal ) why doesnt the sjhape af armature mmf a sinusoidal (ni) ? armature mmf in case of a dc machine is triangular.

0 Answers  

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Explain the laying procedure and laying depth of submarine cables under sea?

1 Answers   Schneider,

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define transformer

1 Answers  

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why colour of electrical equipment( like transformer) is grey

10 Answers   Trident,

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WHY TRANSFORMERS ARE RATED IN 11KV 22KV 33KV Instead off 10kv 20kv 30kv

5 Answers  

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Why are the HV motors are connected in star connection?

5 Answers  

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What is the meaning of electricity? How it is being produced? Can we store the electricity? When we produce electricity what is the capacity of voltage current we are getting? If we need 440 volts how to get it? In case, if we want lower than 440 volts how to change it? Please answer?

1 Answers  

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There is any especial requirement for motor to drive through with VFD?

0 Answers  

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what happens when a power transformer neutral earthing broken???

11 Answers   MacLellan,

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In any plant or substation main incommer voltage RY - 415 V,YB - 400 V, BR - 387 V(in commer feed from transformer 11 Kv /0.415 KV) why found voltage differance in each phase? plant have not self power plant it is depend on outsource grid

2 Answers  

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what are the main Parts of VCB

1 Answers  

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in transformer which grade oil will use?

3 Answers  

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