Question 15.12: Reflecting the Source to the Secondary Consider Figure 15.26...
Reflecting the Source to the Secondary
Consider Figure 15.26(a). Reflect Vs and R1 to the secondary side.
The voltage is reflected by using the turns ratio. Thus, we have
\mathrm{V}'_s=\frac{N_2}{N_1}\mathrm{V}_s=\frac{1}{10}1000\angle 0^\circ =100\angle 0^\circ
On the other hand, the resistance is reflected using the square of the turns ratio. This yields
R'_1=\left(\frac{N_2}{N_1} \right)^2 R_1= \left( \frac{1}{10}\right)^2(1000)=10~\Omega
The circuit with Vs and R1 transferred to the secondary side is shown in Figure 15.26(c).
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