(c) A single-phase electricity distribution system shown in Fig. 19(c) is used to provide exclusive power to the ECSE Power Systems lab which can be modelled by an equivalent resistance R₁, as shown. (i) Vs 1 kV(rms) 100 Ω Thevenin Equivalent of Generation & Transmission System 10 kV : 1 kV Distribution Transformer VL = 10 Fig. 19(c): An electricity distribution system. (10 ++) 10 VL 1 vs. Show that the voltage v₁ received by the research lab is related to the generator voltage vs by RL = 1000 ECSE Power Systems Lab

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(c) A single-phase electricity distribution system shown in Fig. 19(c) is used to provide
exclusive power to the ECSE Power Systems lab which can be modelled by an
equivalent resistance R₁, as shown.
Vs
1 kV(rms)
100 Ω
Thevenin Equivalent of Generation
& Transmission System
10 kV : 1 kV
Distribution
Transformer
VL =
10
Fig. 19(c): An electricity distribution system.
(10 + +)
10
VI
1 vs.
Show that the voltage v₁ received by the research lab is related to the generator
voltage vs by
| RL = 100 Ω
ECSE Power
Systems Lab
(ii) Hence, or otherwise, determine the power efficiency of the distribution system, i.e.,
the power received by the research lab as a fraction of the total power produced by
the generator.
Transcribed Image Text:(c) A single-phase electricity distribution system shown in Fig. 19(c) is used to provide exclusive power to the ECSE Power Systems lab which can be modelled by an equivalent resistance R₁, as shown. Vs 1 kV(rms) 100 Ω Thevenin Equivalent of Generation & Transmission System 10 kV : 1 kV Distribution Transformer VL = 10 Fig. 19(c): An electricity distribution system. (10 + +) 10 VI 1 vs. Show that the voltage v₁ received by the research lab is related to the generator voltage vs by | RL = 100 Ω ECSE Power Systems Lab (ii) Hence, or otherwise, determine the power efficiency of the distribution system, i.e., the power received by the research lab as a fraction of the total power produced by the generator.
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