Essential condition for parallel operation of two single phase transformer is that they should have same A polarity B kVA rating C voltage ratio D % impedance

1 Answers   wbsedcl,

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How you take care of a motor from over loading and what are the different overloading ratings of different motors?

4 Answers  

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Classify the different types of load.

6 Answers  

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what is the similarity and difference between ups and inverter?

4 Answers   GMR,

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hi i wonder will the speed of a 50hz AC motor reduce if i supply it with 25hz?

4 Answers   Divis Laboratories,

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What is Class and accuracy in CTs? Types of Classes and important of Classes?

2 Answers  

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what do you know about SERVOMOTOR

4 Answers  

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what is the exact direction of current? as we know current travels from higher potential to lower potential,so if we take battery +ve to -ve implies current direction is from positive terminal to negative terminal.,whereas electrons flow from negative to positive as they are attracted by positive ions.current will be the plow of charge but not flow of positive ions.please clarify my doubt friends.

2 Answers  

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plz tell me about BACK emf and how it generates?

2 Answers  

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What is difference between earth leakage relay and restricted earth fault relay ?

22 Answers  

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how to carried out DAR test in 11 KV Alternator ?

0 Answers  

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Why Transformer in KVA?

41 Answers   APCPDCL, Apollo Power, College School Exams Tests, Electrical Tech, Hitech, HP, L&T, MDL, Oil and Gas Jobs, TATA,

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