The converter of Problem 12.27 is used to supply a separately excited DC motor with Ra = 1? and La = 2mH. At the lowest speed of operation, the back-emf Ea is equal to 15V. What is the average value of the load current and voltage when the switching period is 4 ms and the duty cycle is 0.5?
Find:
The average load current and voltage.
Analysis:
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The capillary tube connects the:
A. Inlet to the outlet of the thermostatic expansion valve B. The remote bulb to the diaphragm of the thermostatic expansion valve C. The evaporator inlet to the evaporator outlet D. The remote bulb to the thermostatic expansion valve seat
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The ability of a battery to deliver power continuously is expressed in ____.
A. amperes B. hours C. ampere-hours D. coulombs
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In the accompanying diagram, what does MOV stand for? How does it help?
What will be an ideal response?
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Classify the following resources as either renewable or nonrenewable.
a. Biogas b. Tin c. Fossil water d. Tuna e. Geothermal energy f. Diamonds What will be an ideal response?
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