Why star star zero phase shift transformer winding are used.

Question

Accepted Answer

Star-star zero phase shift transformer windings are used to provide a balanced three-phase output with zero phase shift between primary and secondary voltages.

Star-star zero phase shift transformer windings are commonly used in power distribution systems.
They are used to supply power to three-phase loads such as motors, generators, and transformers.
The windings are designed in such a way that the voltages in the primary and secondary sides are in phase with each other.
This configuration ensures that the load receives a balanced three-phase voltage with zero phase shift.
Zero phase shift is important in applications where precise synchronization and coordination of electrical equipment is required.
For example, in industrial processes where multiple motors need to work together, zero phase shift helps in maintaining the desired speed and torque.
Zero phase shift also reduces the risk of electrical disturbances and improves the overall efficiency of the system.

Accepted Answer

Bez this type of winding produce minimum Harmonics and loss will minimum.So that Out put voltage is constant and chances of fault will minimum.

Why star star zero phase shift transformer winding are used.

Top Power Grid Corporation of India Field Engineer interview questions & answers

Popular interview questions of Field Engineer

Top HR questions asked in Power Grid Corporation of India Field Engineer