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This project concerns voltage control of an industrial facility. This facility has four major loads fed from two synchronous generators. The system layout is shown in the figure below. As shown in the figure, loads L11 and L12 are fed by unit SG1 located at bus 1; loads L21 and L22 are fed by unit SG2 located at bus 2. In normal conditions, the bus coupler between bus 1 and bus 2 is left open (i.e. this breaker is a normally-open (NO) breaker). Loads L11 and L21 are critical loads. However, loads L12 and L22 are non-critical. Non-critical loads can be shed (i.e. turns off) if absolutely necessary. The load profiles are given in the table below.
Attachment:- 1542611_1_Project-statement.pdf
A Si PIN photodiode has an i-Si layer of width 20 µm. The p+ layer on the illumination side is very thin (0.1µm). The PIN is reverse biased by a voltage of 100 V and then illuminated with a very short optical pulse of wavelength 900 nm.
The collector current was measured for different values of load resistance. It was noticed that the collector current was pretty much constant for the first 1900 ohms and then it fell drastically.
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