Date of Award

Summer 1967

Document Type

Thesis - Restricted

Degree Name

Master of Science (MS)

Department

Electrical Engineering

First Advisor

Blank, Gary L.

Abstract

The silicon controlled rectifier has become the dominant factor in industrial control just ten years after its introduction. In the field of direct current motor control, the SCR has supplanted the gas filled rectifier and motor generator set as the method for obtaining an adjustable speed drive from an alternating current source. But the development of analytical techniques for predicting the dynamic performance of an SCR - d.c. motor drive seems to have lagged the use of such drives. This thesis is an investigation into the value of the classical linear techniques in predicting the dynamic response of such systems. It attempts to answer the question, "Can the performance of such a drive be predicted using analytical techniques that assure that an SCR - d.c. motor combination will behave in a manner identical to that of a d.c. motor excited by a motor generator set?"

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