Can I do body earthing of machine by using Cable armour or I have to run another GI wire for body earthing and how many wires I need to run. Is there any rule for this. eartnig

3 Answers   HAL,

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Waht will happened if reactive power increase in the line? waht about active power increase too?

3 Answers  

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what is the illumination level required for child play area?

0 Answers  

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how brushed dc motor operating ?

0 Answers  

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What are hrc fuses and where it is used?

0 Answers  

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Iam Preparing For Ap Transco Assistant Engineer (ELECTRICAL) Exam how To Prepare What Is The Refernce Books.can You Give The Advises To Me.tahnk You. This Is Radhika Iam Preparing For Ap Transco Assistant Engineer (ELECTRICAL

2 Answers  

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what is the working principle of contactor and conditions of normal open and normal close on it?

3 Answers   EEE,

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The capacity of the transformer is 20/25 MVA, Ratio is 132/11 KV, Vactor group YNyno. and impedance is 10.07%. As per the calculation the secondary current is 1312.2Amps. The maximum fault current the transformer should sustain is 13.030KA. How many times the transformer should sustain the maximum short circuit current of 13.030KA over a period up 1 Year. The transformer is repaired one & 10 Years old.

1 Answers  

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Can Anyone Answer anyone of these ? Q1) why direct SOLUTION of Load Flow Studies in Not Possile ? Q2)Why majority of Buses in power system are load buses Q3)Why one of the buses in Power system is taken as reference bus (slack or swing) Bus ? Q4)Bus Admittance Matrix is a sparce (means it contains some zero elements ) matrix , give reason

0 Answers  

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why transformer rating in kva

6 Answers  

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What is called grain-oriented laminations?

0 Answers  

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what happen if i change the polarity of ac when it is connected with motor

3 Answers  

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