Can without battery on line UPS,off line UPS or Invertor works please brief.

5 Answers  

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what is skin effect

7 Answers   NHPC,

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WHAT IS MEAN BY MAGNETIC LOCKING

3 Answers   Bhel,

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which type of motor is suitable for lift?

18 Answers   NTTF Nettur Technical Training Foundation, Pothigai Power Solutions,

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What is technical difference between ELCB & ELMCB?

3 Answers  

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There are two nos of 33Kv/11Kv 5MVA transformers conecting through HT cable from substation having metering at substation itself.One transformer used at a time another remains stand by.Further 11 nos of 11Kv/440V transformers are attached on it and each transformer is having its own Power factor correction panel.Now one 33/11Kv transformer at no load condition/Stand by condition is having power factor in leading side upto 0.21 and while when another tranformer at same situation have power factor in lagging 0.42. Now one thing is clear that transformer one is having 1.5 Km long 33kv cable due to that PF goes in leading side and another is having only 250 mtr length remains him lagging. Now i want to know that how i can maintain the Power factor at no load/ stand by position though both are behaving in seperate manner.

1 Answers  

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how to increase senstivity of ct

0 Answers   NPCIL,

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in alternator what is use of AVR ? how AVR is operating either AC or DC?

1 Answers  

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FACP Means

1 Answers   RR,

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how is classified voltage level in generation,transmission & distribution system?,

7 Answers   Adani,

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DG cranking voltage?

0 Answers  

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in our transmisison sub station why we step down firstly 132kv\33kv then 33kv to 11kv. can we direct step down 132kv to 11kv.

4 Answers  

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