Given the three-phase A-Y circuit in Figure 4 with loading resistors R = RB = Rc...
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Given the three-phase A-Y circuit in Figure 4 with loading resistors R₁ = RB = Rc = 1200 2, a three-phase source with Van = 6020° Vrms. The A-Y transformer consists of three individual transformers wired as in Figure 2. Each individual transformer has a winding ratio of r = 1. Notice that the neutral of the source is connected to the neutral of the load. Because the circuit is balanced, all neutral currents will be zero. Do the following: 1. Draw the per-phase circuit with the load reflected to the primary (source) side of the transformer. Assume the individual transformers are ideal. 2. Calculate Vab, VAB, Ia, and I. Verify that the voltages and currents obey the ratios in equations (2a) and (2b) with r = 1. Note that | In| = 0 and |IN| = 0 because the circuit is balanced. Source Van Vpn In Ic A-Y Transformer Fig. 2 Load A R IN B Given the three-phase A-Y circuit in Figure 4 with loading resistors R₁ = RB = Rc = 1200 2, a three-phase source with Van = 6020° Vrms. The A-Y transformer consists of three individual transformers wired as in Figure 2. Each individual transformer has a winding ratio of r = 1. Notice that the neutral of the source is connected to the neutral of the load. Because the circuit is balanced, all neutral currents will be zero. Do the following: 1. Draw the per-phase circuit with the load reflected to the primary (source) side of the transformer. Assume the individual transformers are ideal. 2. Calculate Vab, VAB, Ia, and I. Verify that the voltages and currents obey the ratios in equations (2a) and (2b) with r = 1. Note that | In| = 0 and |IN| = 0 because the circuit is balanced. Source Van Vpn In Ic A-Y Transformer Fig. 2 Load A R IN B
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SOLUTION Step1 Analyzing the 3Phase 4Y Circuit Given Information Threephase 4Y circuit with balanced loading resistors RA RB RC 12002 Threephase sourc... View the full answer
Related Book For
The Analysis And Design Of Linear Circuits
ISBN: 9781119913023
10th Edition
Authors: Roland E. Thomas, Albert J. Rosa, Gregory J. Toussaint
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