Determine k so that the given system with a =76.92 is marginally stable? 1 Gj = H = k(s+ 1) +0.1s2 + as +1 R(s) C(s) G1

What is a power shift transmission

In the experiment of finding the parameters of synchronous machine, the ac value of the armature resistance equal the Radc multiplied by * 1.2 1.25 1.1 1.35

Explain the dynamic behaviour of loading and unloading de motor

11. A PI controller is able to (a) reduce the settling time of a closed-loop control system (b) achieve zero steady-state error in a closed-loop control system

Please choose the correct answer. 16. For a triac, the firing delay angle during the positive half cycle has what relationship to the firing delay angle during the negative half cycle? A. The two firing delay angles are always equal to each other. B. The positive firing delay angle is always less than the negative firing delay angle. C. The positive firing delay angle is always greater than the negative firing delay angle. D. None of the choices 17. For a triac, the firing delay angle during the positive half cycle has what relationship to the firing delay angle during the negative half cycle? A. The two firing delay angles are always equal to each other. B. The positive firing delay angle is always less than the negative firing delay angle. C. The positive firing delay angle is always greater than the negative firing delay angle. D. None of the choices 18. Compared to the amount of average power that the entire ac line waveform would deliver to a given load, how much…

Flow measurement Controller Valve Process Determine type of control schematic block diagram shown above A. Close loop control On-off control C. Open loop control D. Feed-forward control B.

Explain in breif about the Methods of starting for Synchronous machine

Under short circuit test, the short circuit voltage of transformer is O a. Equal to the rated voltage ОБ. O b. (3-5) % V rated O c. Maximum O d. Zero