DC Motor Speed Control

DC Motor Speed Control: In the foregoing sections we discussed the torque-speed characteristics of dc motors, bringing out the effects of armature voltage variation and field current on them. The…

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2 Pole Elementary DC Machine

2 Pole Elementary DC Machine: Figure 5.13 shows a 2 Pole Elementary DC Machine with a single coil rotating armature. It may be seen that the field winding is stationary…

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Energy in Magnetic System

Energy in Magnetic System: Energy in Magnetic System - The chief advantage of electric energy over other forms of energy is the relative ease and high efficiency with which it…

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