Using base values of (20 mathrm{kVA}) and 115 volts in zone 3, rework Example 3.4. Example 3.4
Question:
Using base values of \(20 \mathrm{kVA}\) and 115 volts in zone 3, rework Example 3.4.
Example 3.4
Three zones of a single-phase circuit are identified in Figure 3.10(a). The zones are connected by transformers \(T_{1}\) and \(T_{2}\), whose ratings are also shown. Using base values of \(30 \mathrm{kVA}\) and 240 volts in zone 1, draw the per-unit circuit and determine the per-unit impedances and the per-unit source voltage. Then calculate the load current both in per-unit and in amperes. Transformer winding resistances and shunt admittance branches are neglected.
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Related Book For
Power System Analysis And Design
ISBN: 9781305632134
6th Edition
Authors: J. Duncan Glover, Thomas Overbye, Mulukutla S. Sarma
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