control 1) Basically, poles of transfer function are the Laplace transform variablevalues which causes the transfer function to becomea. Zeroc. Infiniteb. Unityd. Average value2) The output signal is fed back at the input side from thepointa. Summingc. Pickoffb. Differentiald. All of the above3) For open control system which of the following statements is incorrect?a. Less expensiveb. Construction is simple and maintenance easyc. Errors are caused by disturbancesd. None of above4) The type O system has,at the origin.a. net polec. two polesb. simple poled. none of the above5) What will be the nature of time response if the roots of the characteristicequation are located on the s-plane imaginary axis?a. Oscillationsc. No oscillationsb. Damped oscillationsd. Under damped oscillations

1) Basically, poles of transfer function are the Laplace transform variable values which causes the transfer function to become a. Zero c. Infinite b. Unity d. Average value 2) The output signal is fed back at the input side from the point a. Summing c. Pickoff b. Differential d. All of the above

1) Basically, poles of transfer function are the Laplace transform variable values which causes the transfer function to become a. Zero c. Infinite b. Unity d. Average value 2) The output signal is fed back at the input side from the point a. Summing c. Pickoff b. Differential d. All of the above

Power System Analysis and Design (MindTap Course List)

6th Edition

ISBN:9781305632134

Author:J. Duncan Glover, Thomas Overbye, Mulukutla S. Sarma

Publisher:J. Duncan Glover, Thomas Overbye, Mulukutla S. Sarma

Chapter6: Power Flows

Section: Chapter Questions

Problem 6.16P

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Concept explainers

Speed control of motor

Speed control by DC motor-speed controller is required to realize variable speed drive. Whenever a motor drives a particular load, it is called drive, and variable speed drive refers to a load requiring variable speed. All this is obtained by a DC motor speed controller.

Question

control

1) Basically, poles of transfer function are the Laplace transform variable
values which causes the transfer function to become
a. Zero
c. Infinite
b. Unity
d. Average value
2) The output signal is fed back at the input side from the
point
a. Summing
c. Pickoff
b. Differential
d. All of the above
3) For open control system which of the following statements is incorrect?
a. Less expensive
b. Construction is simple and maintenance easy
c. Errors are caused by disturbances
d. None of above
4) The type O system has,
at the origin.
a. net pole
c. two poles
b. simple pole
d. none of the above
5) What will be the nature of time response if the roots of the characteristic
equation are located on the s-plane imaginary axis?
a. Oscillations
c. No oscillations
b. Damped oscillations
d. Under damped oscillations

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