Consider the large inductor in Figure 3 with given number of turns N, core permeability μ, core cross section area A, and core diameter are given. Note that the core length l is equal to π times the core diameter. Answer the questions and pick an answer from the given choices. (a) Find the value of the inductor 1) 1.55 H 2) 0.82 H 3) 3.82 H 4) 12.05 H

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A: flux=MMFReluctance. Reluctance=LengthU0×Ur×area of core. Inductance=No.turns×Fluxcurrent

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Compensation Techniques

The compensation techniques are the methods that are employed in the electrical control systems to enhance the performance of the system. The performance are generally affected by the factors like lag in the compensating devices, slow response of the system of the components like sensors used in the control system. The basic compensation technique involves lag compensation, lead compensation or the combination of the both.