Saturday, September 1, 2012

D.C. Generator Library

       Laws of Magnetism
       Magnetic Field and Flux
       Right Hand Thumb Rule
       Magnetic Field Due to Circuit Conductor
       Yoke 
       Poles
       Field Winding (F1-F2)
       Armature
       Commutator
       Brushes and Brush Gear
       Bearings
       Lap Winding
       Wave Winding
       Comparison of Lap and Wave Type Winding
       Single Layer Winding
       Double Layer Winding
       Closed Type Winding
       Open Type Winding
       Coil Span
       Pole Pitch
       Back Pitch
       Front Pitch
       Winding Pitch
       Commutator Pitch
       Calculation of Demagnetizing and Cross Magnetizing Amp-Turns
       Use of Compensating Winding
       Expression of Reactance Voltage
       Resistance Commutation
              Advantages of Resistance Commutation
              Disadvantages of Resistance Commutation
       E.M.F. Commutation
       Giving Brush Shift
       Interpoles
       Voltage and Current Relations
       Voltage and Current Relations
       Voltage and Current Relations
       Long Shunt Compound Generator
       Short Shunt Compound Generator
       Comulative and Differential Compound Generator
       Magnetism Characteristics
       Load Characteristics
       Magnetization or Open Circuit Characteristics
       Load Saturation Curve
       Internal and External Characteristics
       Internal Characteristics 
       External Characteristics
       Causes of Failure to Excite Self Excited Generator
       Practical Determination of Rc
       Critical Speed Nc

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