Sketch an equivalent circuit suitable for calculating induction machine per- formance in the normal operating speed range. State any assumptions made to justify the form of your equivalent circuit. Using the equivalent circuit of part (a), develop expressions for rotor current (referred to stator) and electromagnetic torque as functions of speed in the normal operating speed range.

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
Chapter11: Transient Stability
Section: Chapter Questions
Problem 11.3P
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2ab

(a) Sketch an equivalent circuit suitable for calculating induction machine per-
formance in the normal operating speed range. State any assumptions made to
justify the form of your equivalent circuit.
(b) Using the equivalent circuit of part (a), develop expressions for rotor current
(referred to stator) and electromagnetic torque as functions of speed in the
normal operating speed range.
Transcribed Image Text:(a) Sketch an equivalent circuit suitable for calculating induction machine per- formance in the normal operating speed range. State any assumptions made to justify the form of your equivalent circuit. (b) Using the equivalent circuit of part (a), develop expressions for rotor current (referred to stator) and electromagnetic torque as functions of speed in the normal operating speed range.
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