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DC Motor Functionality

DC Motor Functionality
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Copyright: 2015
Pages: 83
Source title: Operation, Construction, and Functionality of Direct Current Machines
Source Author(s)/Editor(s): Muhammad Amin (COMSATS Institute of Information Technology, Wah Cantt, Pakistan)and Mubashir Husain Rehmani (COMSATS Institute of Information Technology, Wah Cantt, Pakistan)
DOI: 10.4018/978-1-4666-8441-6.ch007

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Abstract

This chapter deals with the core of direct current machines. In this chapter, the authors present a very detailed insight about the principle of operation of DC motor. They Discuss torque generated from motors. Then they discuss counter emf or back emf. Speed of rotation is then discussed. They then discuss power developed by motor, relation between torque and speed of a motor, speed-torque characteristics, torque-load characteristics, shunt motor, series motor, compound motor, speed-load characteristics, and cumulative compound motor. Differential compound motor is then discussed along with discussion of speed regulation. This chapter ends with starting of DC motor and a discussion over four point starting box.

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