1. Build the following circuit, Use the function generator to obtain the specified AC input voltage. D4 D1 RL 1.2K VsN) D3 D2 9V sin(2n 50 t) Verify the amplitude and frequency of the output waveform on the load resistor, RĻ. Peak voltage: Waveform period: Frequency

Electric Motor Control
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Chapter59: Motor Startup And Troubleshooting Basics
Section: Chapter Questions
Problem 12SQ: How is a solid-state diode tested? Explain.
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1. Build the following circuit. Use the function generator to obtain the specified AC
input voltage.
D4 D1
RL
1.2K
+
VsN
D3 Y D2
9V sin(2n 50 t)
Verify the amplitude and frequency of the output waveform on the load resistor, RĻ.
Peak voltage:
Waveform period:
Frequency
1.a) Which diode(s) is/are on during the positive and negative cycles of Vs?
1.b) vs frequency is 50 Hz. Why the v frequency is 100 Hz?
1.c) Calculate the average power dissipated on all four rectifier diodes
(assume that each diode is ON for exactly one half cycle of Vs for simplicity).
1.d) How much power would have been dissipated on the diodes in total, if the
same output waveform was obtained using a full-wave rectifier with a center-
tapped transformer?
2. Measure and record the peak and average values of the voltage output for the
following RL values:
RL
330 Q
560 Q
1.2 kQ
VLpeak
VLDC
+
Transcribed Image Text:1. Build the following circuit. Use the function generator to obtain the specified AC input voltage. D4 D1 RL 1.2K + VsN D3 Y D2 9V sin(2n 50 t) Verify the amplitude and frequency of the output waveform on the load resistor, RĻ. Peak voltage: Waveform period: Frequency 1.a) Which diode(s) is/are on during the positive and negative cycles of Vs? 1.b) vs frequency is 50 Hz. Why the v frequency is 100 Hz? 1.c) Calculate the average power dissipated on all four rectifier diodes (assume that each diode is ON for exactly one half cycle of Vs for simplicity). 1.d) How much power would have been dissipated on the diodes in total, if the same output waveform was obtained using a full-wave rectifier with a center- tapped transformer? 2. Measure and record the peak and average values of the voltage output for the following RL values: RL 330 Q 560 Q 1.2 kQ VLpeak VLDC +
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