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what is the stear deltaprinceple?

0 Answers  

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why ac signals are sinosuidal

2 Answers  

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Why the transformers are rated in kva?

11 Answers   Birla, NTPC, Reddy Labs, Vijai Electricals,

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what is the calculation formula for motor starting torque,running torque, running torque.

0 Answers  

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

3 Answers  

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what is DG synchronization panel plz explain the working!!!!!!!

12 Answers   Kirloskar, Lanco, MPS Techologies, Sedemac,

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why the starting torque is high in dc series motor..

3 Answers   GM General Motors,

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What is K-rated transformer? What is the use of it? What can be the size(pls provide calculation if possible) of K- factor transformer for 550kW,690V motor operating with drive (VFD)?

0 Answers  

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two transformers of the same type, using the same grade of iron and conducting material, are designed to work at same flux and current densities, but the linear dimension of one are two times of the other in all respects. The ration of kVA of the two transformer closely equal to................? options: 16, 8, 4, 2

2 Answers   Vizag Steel,

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why are transformers rated in KVA and not in KW

8 Answers   ABB, Bosch,

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IN OLTC we observed "OUT OF STEP" Alarm, we have two different transformer, when both are in parallel this type of alarm observed. what's the meaning of this alarm and why it occurs???

3 Answers  

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Pls Breifly explain about UPS (Inverter,Reserve,Rectifier,Float voltage,Boost voltage).

0 Answers  

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