EE-112 DC Machines
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DC Machines
DC Machineshttp://www.nptel.ac.in/courses/ Basic Electrical TechnologyDC Motor Constructional Details
http://www.nptel.ac.in/courses/ Basic Electrical TechnologyDC Machine Armature WindingA coil. Coil span. A Double layer winding. Numbering a coilNumber of Commutator segmentsCommutator pitch:
http://www.nptel.ac.in/courses/ Basic Electrical TechnologyDeveloped Diagram of
http://www.nptel.ac.in/courses/ Basic Electrical TechnologyDeveloped View
N S N Shttp://www.nptel.ac.in/courses/ Basic Electrical TechnologyLap Winding
N S N Shttp://www.nptel.ac.in/courses/ Basic Electrical TechnologyLap Winding
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 http://www.nptel.ac.in/courses/ Basic Electrical TechnologyDeveloped View
N S N S2(S 1) should be multiple of number of poles
http://www.nptel.ac.in/courses/ Basic Electrical TechnologyWave Winding
S N S N Shttp://www.nptel.ac.in/courses/ Basic Electrical TechnologyWave Winding
1 10 2 11 3 12 4 13 5 14 6 15 7 16 8 17 9 1http://www.nptel.ac.in/courses/ Basic Electrical TechnologyEMF Equation
http://www.nptel.ac.in/courses/ Basic Electrical TechnologyTorque Equation
http://www.nptel.ac.in/courses/ Basic Electrical TechnologyGenerator types & Characteristics(i) separately excited generator, (ii) shunt generator(iii) series generator (iv) compound generator.
http://www.nptel.ac.in/courses/ Basic Electrical TechnologyNo load or Open circuit characteristic
http://www.nptel.ac.in/courses/ Basic Electrical TechnologyLoad characteristic
http://www.nptel.ac.in/courses/ Basic Electrical TechnologyCharacteristics of a shunt generator
http://www.nptel.ac.in/courses/ Basic Electrical TechnologyLoad Characteristics of Shunt Generator
http://www.nptel.ac.in/courses/ Basic Electrical TechnologyCompound Generator
http://www.nptel.ac.in/courses/ Basic Electrical Technology