a) Consider a balanced three phase Y connected load. The phase voltage and load current for phase 'a' can be expressed a

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A Consider A Balanced Three Phase Y Connected Load The Phase Voltage And Load Current For Phase A Can Be Expressed A 1 (77.39 KiB) Viewed 41 times

a) Consider a balanced three phase Y connected load. The phase voltage and load current for phase 'a' can be expressed as: Van (t) = √2V cos wt la(t) = √21₁ cos(wt – Ø) Where denotes the phase angle of the load in each phase. If the supply phase sequence is 'abc', write down the expression for the voltage and current of the other two phase ('b' and 'c'). Derive and expression for the total instantaneous power delivered to the load. Comment on the result.