Why only 1ph,2ph,3ph supplies are universally used?? Why
not 4ph or 5ph??
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Answer Posted / brdganesh
Just my thought We cant make star and delta
conection correct?
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State magnitude criterion.
Dear sir, In our plant have Station Transformer having capacity,i want to know, why LV side 40 - 40MVA is given? & how we can get 6.3 KV supply from tertiary(i.e. Open delta connection), Vector Group YNyn0 - yn0 +d MVA Rating 80MVA / 40 - 40MVA + 26.7MVA Voltage rating 420 (Tap range +6,to -10)81.25% /11.5KV - 11.5KV +6.3KV
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