Answer / ehsan

Adjustment dial for the long time protection pick-up Io Fine-tuning dial for the long time protection pick-up Ir

what is meant by impedance testing of transformer and why it is used

1 Answers   TATA,

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is it possible to export & import power in a same transformer.how

2 Answers  

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what composit error,ratio error,phase error in CT and PT??

4 Answers  

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Why does increasing the magnetic flux in the main field of a d.c motor cause the armature current to reduce??

0 Answers  

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what is tower earthing and what for it is required

1 Answers  

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What is the diffrence in between Class PS & Class 5P10 for CTs

7 Answers  

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surge tank, hrc fuse, earthing transformer, firm power objective type

0 Answers  

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Why the substation measure in KV but not in the power ratings of transformer.

4 Answers  

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how we can calcultae the short circuit level for bus bar

0 Answers   Jaiprakash, Panorama Apparels,

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Electricty is generated at around 16kV, then step up to 220kV for transmission then steped down to power transformers then DTs and then through the LT n/w it reaches the consumer end. At the consumer end 230V supply is required. So, why is electricity not generated directly at 230V and transmitted?

4 Answers  

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what is the vvvf in the dumbwaiter?? or lift. what is the actual process?/

0 Answers  

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My meter ratio is -/5 and ct ratio is 100/5 now what will be the multiplying factor and how ?

1 Answers  

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