Calculate Zc of the Lag Compensator so that the compensated system has a static velocity error constant Ky = 11. R(s) Answer: s+Zc s +0.05 Lag Compensator Ke S+8 s(s+4) C(s)

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A: I have written this solution as handwritten solution. Hope you find the perfect solution.

Q: 14. Find Zrn- a) -j3 Ω b) 0 Ω c) j6 Ω d) –9 Ω e) none of these ΕΝΩ ~99 2000- 7 Ω -19 0 j15 Ω

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Q: Determine the curreut that flows throwgh, the crcut in the figure belon 52 2062

A: Given

Synchronous Motor

The synchronous motor is an AC electric type motor where at a steady-state the shaft rotation is synchronized with the supply current variable-frequency. To an integral number of AC cycles, the rotation period is exactly equal. The stator of the motor in the synchronous motor contains multi-phase AC electromagnets due to which a magnetic field is created that rotates in time with the oscillation of the line current. The rotor contains a permanent magnet and the rotor rotates in synchronization with the stator field at the same rate and provides the second synchronized magnetic field which is rotating in nature as a result. When the synchronous motor is supplied with independently excited multi-phase AC electromagnets on both the rotor and the stator, it is termed as a doubly-fed machine. The most widely used AC-type motors are the synchronous AC motor and the induction AC motors.