Lab-3 phase star connected system

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SUMMARY

The discussion centers on the relationship between the common point (O) in a star-connected system and the neutral terminal. It is established that when the system is perfectly balanced, there is no voltage difference between Point O and the neutral lead, confirming that Vo equals Vn. Additionally, the implications of a floating star-point when O is not connected to neutral are explored, emphasizing the importance of maintaining balance in the system.

PREREQUISITES
  • Understanding of star-connected systems in electrical engineering
  • Knowledge of voltage measurement techniques
  • Familiarity with balanced load conditions
  • Basic concepts of floating and grounded points in circuits
NEXT STEPS
  • Research the principles of star-connected systems in electrical circuits
  • Learn about voltage measurement techniques in balanced systems
  • Explore the effects of floating star-points on circuit performance
  • Study the implications of load imbalance in star-connected configurations
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Electrical engineers, students studying circuit theory, and professionals working with star-connected systems will benefit from this discussion.

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Homework Statement



Is common point(O) equal to netural terminal?
eg: Vo=Vn??
V(L1-o)=V(L1-n)??

The Attempt at a Solution



The first one is what I measured in a lab.
The second one my prediction if the phase reversed,base on the first one
is it reasonable?

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Point O is the star-point. There will be no voltage difference between Point O and the neutral lead providing all is perfectly balanced.

When O is not connected to neutral you have a floating star-point.
 

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