The circuit diagram of a wye wye transformer is shown below. It has a neutral to ground resistor in the right side winding. Again, the transformer turns ratio is 1 in this problem. Calculate the currents IA, IB and IC for the zero sequence currents Ia=Ib=Ic=1/0o
The circuit diagram of a wye wye transformer is shown below. It has a neutral to ground resistor in the right side winding. Again, the transformer turns ratio is 1 in this problem. Calculate the currents IA, IB and IC for the zero sequence currents Ia=Ib=Ic=1/0o
Power System Analysis and Design (MindTap Course List)
6th Edition
ISBN:9781305632134
Author:J. Duncan Glover, Thomas Overbye, Mulukutla S. Sarma
Publisher:J. Duncan Glover, Thomas Overbye, Mulukutla S. Sarma
Chapter3: Power Transformers
Section: Chapter Questions
Problem 3.16P: A single-phase, 50-kVA,2400/240-V,60-Hz distribution transformer has the following parameters:...
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- The circuit diagram of a wye wye transformer is shown below. It has a neutral to ground resistor in the right side winding. Again, the transformer turns ratio is 1 in this problem.
- Calculate the currents IA, IB and IC for the zero sequence currents Ia=Ib=Ic=1/0o
- Calculate the current in neutral resistor Rn, and the voltage across this resistor.
- Calculate the neutral to ground current in the right side winding.
- What is the value of the neutral to ground current in the right side winding when Rn is replaced by an open circuit?
- Draw the zero sequence circuit of this transformer, and show the zero sequence current flow in this diagram when Rn is finite.
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