Q2. A series of motor (Load 1) and lighting (load 2) are connected to an AC source as shown in Figure Q2. The AC source, Vs, supplies 415420° V with frequency 50 Hz. Based on this information: 5Ω 100 m . 152 Load 1 Load 2 i) Calculate the total load impedance. 2. :'1 Vs ii) Calculate the current, I. Figure Q2.

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Q2. A series of motor (Load 1) and lighting (load 2) are connected to an AC source as shown
in Figure Q2. The AC source, Vs, supplies 415420° V with frequency 50 Hz. Based on this
information:
5Ω 100 m .
15Ω
Load 1
Load 2
i) Calculate the total load impedance. 2. '1
Vs
ii) Calculate the current, I.
Figure Q2.
(iii)
Write the waveform expressions in frequency domain for Vs and I. Draw a phasor
diagram consists of Vs and / and state the relationship between Vs and I.
(iv)
Determine the power factor and calculate the real power, reactive power and
apparent power. Establish the power triangle for the load.
Transcribed Image Text:Q2. A series of motor (Load 1) and lighting (load 2) are connected to an AC source as shown in Figure Q2. The AC source, Vs, supplies 415420° V with frequency 50 Hz. Based on this information: 5Ω 100 m . 15Ω Load 1 Load 2 i) Calculate the total load impedance. 2. '1 Vs ii) Calculate the current, I. Figure Q2. (iii) Write the waveform expressions in frequency domain for Vs and I. Draw a phasor diagram consists of Vs and / and state the relationship between Vs and I. (iv) Determine the power factor and calculate the real power, reactive power and apparent power. Establish the power triangle for the load.
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