• P-ISSN 0974-6846 E-ISSN 0974-5645

Indian Journal of Science and Technology


Indian Journal of Science and Technology

Year: 2015, Volume: 8, Issue: 31, Pages: 1-4

Original Article

A Survey on Electrical Machines for Variable Speed Applications


This paper presents a survey of system studies on electrical machines for variable speed applications.All electrical machines in general are classified based on their unique characteristic features as inductive - interactive type and variable reluctance type machines. In this paper three electrical machines with three different characteristic features are studied and a choice is made as to which machine is best suited for a variable speed application. The subject of System Theory is applied to study the structure of the three machines. Wind energy generation being a typical variable speed application is chosen as the specific application for which the machine is designed. The three machines taken up for study are Induction Machine and Synchronous Machine for inductive - Interactive type and Switched Reluctance Machine for variable reluctance type. Optimization of power generation and increasing the energy efficiency from wind energy by proper choice and design of a machine is the objective of the study.
Keywords: Induction Machines, Switched Reluctance Machines (SRM), Synchronous Machines, Torque Production, Variable Speed Application, Wind Turbine Generator


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