what is need of air gap in expansion section in busbar?

3 Answers  

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I have 500A load (WHICH IS SEPARATE MDP PANEL),an MCC panel with 4000A Breaker.Already I have 2500A load.Can I connect this load directly to the Busbar since I have PROTECTION IN MY MDP Panel ?

4 Answers  

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why ac generator ratings in kva only why not kw ????????????? ?

7 Answers  

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TO operate transformers in parallel, vector symbol of the both should be same.If one transformer name plate is not there, how can we conclude that whether the transformer is having the same vector symbol or not?

4 Answers  

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plz explain the snubber circuit unit

1 Answers  

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which part of transformer heats up the most and why? windings, core or oil .

3 Answers   Lafarge,

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What are pre paid energy meters ? How it works ?

1 Answers   Siemens,

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When a capcitor is used on 440 v thenthis is kvar rating 25kvar .my question is that when we use this capcitor  use 480 v &525 volt .how much kvar increase . Plz give my question ans. And give answer with formula .my mail id is rohitashsaini013@gmail.com

1 Answers   Neptune,

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what is the different between bus section and bus coupler

2 Answers  

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what is trip circuit supervision relay? How does it work in switchgear?

6 Answers   Radha Regent Hotels,

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What is the range of efficiency of thermal or steam power plants? Why it is so low?

2 Answers  

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How to synchronization will be done between two DGs ?

0 Answers  

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