Line and Phase:
We all always have confusion between line and phase voltages....so now get some clarity here....
The issue of these line and phase voltages come into account only in case of 3-phase networks...that is either Star or Delta
Consider the above star connection.
Line Current:The current passing through the line that is IR,IB,IY are known as Line Currents.
Line Voltage:The voltage across two lines of a star connection that is VRY,VBY,VBR are Line Voltages.
Phase Current:The current passing through the Impedance that is IRN,IBN,IYN are Phase currents.
Phase Voltages:The voltage across the impedance that is VRN,VBN,VYN are known as Phase Voltages.
All these parameters are the same in case of Delta Connection also
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