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3 phase circuit

by lukus09
Tags: circuit, phase
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lukus09
#1
Mar19-09, 07:15 AM
P: 32
how do i measure the current flow threw the neutral wire if phase R is open circuited? the impedance per load is 3+7j
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Carl Pugh
#2
Mar19-09, 12:38 PM
P: 384
Measure current using a clamp on ammeter or a current transformer +ammeter.

If you wish to calculate the current, calculate the current in each phase and add them. The currents have to be calculated and added using vectors. Since this is a three phase circuit the currents in the three phases will be 120 degrees apart.


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