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Consider the following statements 1. Value of transient stability limit will be lower than steady-state stability limit 2. Transient stability limit is the maximum flow of power through a particular point in the power system without loss of stability when large and sudden disturbances occur 3. Critical clearing angle is related to the steady-state stability limit Which of the above statement(s) is/are correct?
Consider the following statements with respect to the feedback from the control systems: 1. The feedback can improve stability or be harmful to stability if it is not properly applied. 2. The feedback can always improve stability. 3. In many situations, the feedback can reduce the effect of noise and disturbance on system performance. 4. In general, the sensitivity of the system gain of a feedback system of a parameter variation depends on where the parameter is located. Select the correct statements.
Consider the following statements with respect to the feedback of the control systems. i. Feedback can improve stability or be harmful to stability if it is not properly applied. ii. Feedback can always improve stability iii. In many situations the feedback can reduce the effect of noise and disturbance on system performance. iv. In general the sensitivity of the system gain of a feedback system of a parameter variation depends on where the parameter is located.
Consider the following statements with respect to the feedback of the control systems: 1. Feedback can improve stability or be harmful to stability if it is not properly applied. 2. Feedback can always improve stability 3. In many situations the feedback can reduce the effect of noise and disturbance on system performance. 4. In general the sensitivity of the system gain of a feedback system of a parameter variation depends on where the parameter is located.
Consider the following statements: Routh-Hurwitz criterion gives A. Absolute stability B. The number of roots lying on the right half of the s-plane. C. The gain margin and phase margin. Which of these statement are correct?
Consider the following statements: Routh-Hurwitz criterion gives: 1. Absolute stability 2. The number of roots lying on the right half of the s-plane 3. The gain margin and the phase margin
The critical value of gain for the system is 40. The system is operating at a gain of 20. The gain margin of the system is :
The critical value of gain for a system is 40 and gain margin is 6dB. The system is operating at a gain of:
Which of the following statements is correct for a system with gain margin close to unity or a phase margin close to zero ?
When the gain margin and phase margin have values as 0 dB, then the system is: