A chopper circuit in the figure, 400 ? (???) Control the power of an ohmic load from a 50 ?? source. . Since the load resistance is 20 Ω and ? = 30 °, a) The effective voltage, current and power of the load, b) Input power factor, c) Apparent, active and reactive powers drawn from the network,
A chopper circuit in the figure, 400 ? (???) Control the power of an ohmic load from a 50 ?? source. . Since the load resistance is 20 Ω and ? = 30 °, a) The effective voltage, current and power of the load, b) Input power factor, c) Apparent, active and reactive powers drawn from the network,
Electricity for Refrigeration, Heating, and Air Conditioning (MindTap Course List)
10th Edition
ISBN:9781337399128
Author:Russell E. Smith
Publisher:Russell E. Smith
Chapter17: Commercial And Industrial Air-conditioning Control Systems
Section: Chapter Questions
Problem 22RQ
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AA chopper circuit in the figure, 400 ? (???)
Control the power of an ohmic load from a 50 ?? source.
. Since the load resistance is 20 Ω and ? = 30 °,
a) The effective voltage, current and power of the load,
b) Input power factor,
c) Apparent, active and reactive powers drawn from the network,
d) Minimum blocking voltage of thyristor,
e) Average value of each thyristor current,
f) The required firing angle for the power transferred to the load to be 80% of the maximum power,
calculate.
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