The pole-zero plot shown below represents a

F2 Madhuri Engineering 21.07.2022 D16

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UPPSC AE Electrical 29 May 2022 Official Paper I
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  1. Lag-lead compensating network
  2. PD controller
  3. PID controller
  4. None of the above

Answer (Detailed Solution Below)

Option 1 : Lag-lead compensating network
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Concept:

The speed of response and, the steady-state error can be simultaneously improved if both phase-lag and phase-lead compensation networks are used. However, instead of using two separate lag and lead networks, a single network combining both can be used.

F2 Madhuri Engineering 21.07.2022 D17

Lag-lead compensator:

F2 Madhuri Engineering 21.07.2022 D1

In the lag-lead compensator network, the lag compensator is nearer to the origin.

Lead-lag compensator:

F2 Madhuri Engineering 21.07.2022 D2

In the lead-lag compensator network, the lead compensator is nearer to the origin.

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