what is meant by star/delta voltages as 440/220 in a 3
phase induction motor, and why it should be connected on
STAR IN 3 PHASE SUPPLY
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Sir i completed diploma in electrical from govt. Polytechnic dhanbad (jharkhand) . In 2012 . Now i am working in sail iisco plant . Sir i want to get electrical supervisory certificate for applying in ongc . From where i get this certificate please guide me procedure step by step