Question
Download Solution PDFIn a three-phase star-connected system with a neutral shift, how can the problem be corrected?
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDF3ϕ star connection with neutral
The neutral current is given by:
\(I_N=I_R+I_Y+I_B\)
- If all phase loads are equal, the currents in each phase are balanced. The neutral point stays stable (zero potential shift), and the phase voltages remain symmetrical.
- However, if the loads on the three phases are unequal, this causes the neutral point to "shift" from its ideal position — this is called neutral shift.
- So, by distributing the total load equally across the three phases, you eliminate the root cause of neutral shift.
Last updated on Jun 16, 2025
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