Transcription of 1 Basic Principles of - Mike Holt Enterprises
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1 Basic Principles of - Mike Holt Enterprises
mike holt Enterprises , Inc. ( )3U N I T1 Basic Principles of motor ControlsUnit 1 IntroductionThis unit discusses the Basic concepts of motor control, including motor control language and the types of wiring diagrams Control CircuitsMotor control circuits are an effective way to reduce cost by using smaller wire and reduced-amperage devices to control a motor . Imagine trying to wire a pushbutton station for a 100A motor using 3 AWG conductors. Many smaller motors use the same size conductors for both control and power circuits, but as the horsepower increases it becomes impractical to do so, Figure 1 1.
Unit 1 Basic Principles of Motor Controls Different manufacturers of control devices, as well as books about motor controls, use different methods of showing the control circuit wiring. For example, in Figure 1–3B1, the control wiring from the start-stop pushbutton station runs to the actual connection points ...
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