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Suppose am having the PF value .8, so how can we say that
is it lagging or leading?
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What is systematic error?
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What is safety of Ht panel
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in a simple IDMT relay we use neutral point of ct for earth fault then what is the requirement of neutral ct and cbct?
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How to confirm the Phase shifting Transformer VECTOR GROUP relation , as below ZNy11.45d10.45-ZNYy0.15d11.15
If i have two 3000 kW motors and the whole facility requires a 10 MVA transformer. What would be better installing two 5 MVA transformers(one for 1 motor ) or just a single 10 MVA transformer for both of them. Give reasons for your answer.
can some one clearly explain why -48 volt DC use in telecom site????
i have 3500 amp load and select current transformer and perches.how i calculate .please understand
