Explain how the following adjustments are made in a single phase induction type energy meter: (a) Lag adjustment (b) Adjustment for friction compensation (c) Creep (d) Overload compensation (e) Temperature compensation

Explain how the following adjustments are made in a single phase induction type energy meter: (a) Lag adjustment (b) Adjustment for friction compensation (c) Creep (d) Overload compensation (e) Temperature compensation

Power System Analysis and Design (MindTap Course List)

6th Edition

ISBN:9781305632134

Author:J. Duncan Glover, Thomas Overbye, Mulukutla S. Sarma

Publisher:J. Duncan Glover, Thomas Overbye, Mulukutla S. Sarma

Chapter12: Power System Controls

Section: Chapter Questions

Problem 12.4P

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Concept explainers

Synchronous Generator

In comparison to an asynchronous generator, it is a machine where the rotor speed is equal to the rotating magnetic field produced by the stator, i.e., mechanical speed is equal to the electrical speed, thus called synchronous, and not asynchronous.

Salient Pole Rotor

Salient pole rotor includes a large number of exposed poles mounted on a magnetic wheel. The construction of a bright pole is as shown in the image on the left. The proposed poles are made of metal laminations. The rotor winding is provided on these poles and is supported by pole shoes.

Question

Explain how the following adjustments are made in a single phase induction type energy meter:
(a) Lag adjustment
(b) Adjustment for friction compensation
(c) Creep
(d) Overload compensation
(e) Temperature compensation

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