INDUSTRIAL MOTOR CONTROL
7th Edition
ISBN: 9780357670590
Author: Herman
Publisher: CENGAGE L
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Chapter 66, Problem 1RQ
To determine
The reason behind the fact that the voltage that is connected to the inverting terminal is more positive than the voltage to the non-inverting terminal, whether the input will be positive or negative.
Expert Solution & Answer
Explanation of Solution
The operational amplifier are the devices that are used to amplify the signals. The op amp have two inputs and one output terminals. The output is generally the amplification of the difference of voltages at the input, therefore it is also known as the differential amplifier.
In case the voltage is connected to the inverting input is more positive than the non-inverting input then the output is negative as the output is inverted.
Thus, if the voltage that is connected to the non-inverting input, then the output is negative.
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motor supplies 200 kW at 6 Hz to flange A of the shaft shown in Figure. Gear B transfers 125 W of power to operating machinery in the factory, and the remaining power in the shaft is mansferred by gear D. Shafts (1) and (2) are solid aluminum (G = 28 GPa) shafts that have the same diameter and an allowable shear stress of t= 40 MPa. Shaft (3) is a solid steel (G = 80 GPa) shaft with an allowable shear stress of t = 55 MPa. Determine:
a) the minimum permissible diameter for aluminum shafts (1) and (2)
b) the minimum permissible diameter for steel shaft (3).
c) the rotation angle of gear D with respect to flange A if the shafts have the minimum permissible diameters as determined in (a) and (b).
Chapter 66 Solutions
INDUSTRIAL MOTOR CONTROL
Ch. 66 - Prob. 1RQCh. 66 - Prob. 2RQCh. 66 - Prob. 3RQCh. 66 - Prob. 4RQCh. 66 - Prob. 5RQCh. 66 - Prob. 6RQCh. 66 - Name two effects of negative feedback.Ch. 66 - Refer to Figure 668. If resistor R1 is 200 ohms...Ch. 66 - Refer to Figure 66–9. If resistor R1 is 470 ohms...Ch. 66 - What is the purpose of the hysteresis loop when...
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