what is frequency transformer?

2 Answers  

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What is the starting current of a DC Motor?

2 Answers  

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i want to syncronise 5 nos of DG. How? pls reply

3 Answers  

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What will be done if we open the secondary of CT on load??

4 Answers   Engro,

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In between UPS out going changer over switch and ups raising main input, both side cable gland producing heat but the cable doesn't get heat,Why?

0 Answers  

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why the armature coil in dc machine is round?? swagat k.

1 Answers  

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why transmission voltage is 230kv and not 220kv which is a multiple of 11

1 Answers   Mettur Thermal Power Station, Siemens,

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If load is 240 kw & pf is 0.8 lagging, than how to increase it from0.8 to 1.0(unit),which rating capacitor used, please give me Calculation. What is effact of consumer & suplier if pf is lagging or leading with on effect machines/ TF/GE etc.

6 Answers   L&T,

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How many sprinklers should be in one pipe line?

0 Answers  

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how to reduce earth to neutral voltage?

8 Answers   Field Gun Factory,

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why ups rated in kva

1 Answers   MRF,

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If the generator will not synchronize, what will you do?

3 Answers  

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