can a 150 kva 3 phase 440v/230V delta-wye step down transformer can be use as step up transfoermer with connected loads at 440v side?
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from which formula we select a capacitor rating?
1ampear me kitna watts hota hai aur elcb ka pura naam kya hai
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what is derating factor in Cable ? how we minimise this?
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which are the criterias needed to select the kind of neutral earthing(solid earthing,resistance earthing,etc.) at various voltage levels in electrical distribution?
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What should be the height of basement according to NBCC code?
How may I get the maximum current capacity for a particullar size Alluminum or Copper cable if there is compulsion to use?
I have 4 busbar of 1000 ampere. we use 4 busbar to make 4000 ampere in one phase.my problem is that when we applied 60% load on that then busbar produced high noise.what is the reason of that and how can i minimize that noise.
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How many types of Differential protection are there? and what the special arrangement are made at the time of charging of a transformer on the Differential protection?
Can HT cable(11kv cable) be used for 415V, 700A requirement.
The temperature rise in the sys, which leads to ….. a) Increases stress& length b) increases stress but decreases length c) Decreases stress & increase length d) decrease stress & length
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how to calculate H.P of a moter from speed of a moter?