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can anibody tel me on what basis the transformer vector
groups are determined????
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why swinburnes test cannot be performed on series machines?explain
What is the power factor of a transformer at no load?
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What are the Formula of computing Back up Time of 500kVA UPS with 4 Battery Banks, each bank composed of 43 pcs of Batteries 12V150Ah. How to compute the Back up Time of UPS? We have also 3X500kVA UPS running in Parallel same composition as I write above.
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what parameters should we check to reduce the power bill
