Here you can download the DC Machines & Synchronous Machines Notes VTU (DCMSM Notes VTU) of as per VTU Syllabus. Below we have list all the links as per the modules.
DC Machines & Synchronous Machines Notes VTU – DCMSM Notes VTU of Total Units
Please find the download links of DC Machines & Synchronous Machines Notes VTU – DCMSM Notes VTU are listed below:
PART – A
UNIT – 1
DC GENERATOR-Review of basics of DC machines, classification of DC generator, types of armature winding, EMF equation, no-load characteristic, armature reaction, load characteristics.
UNIT – 2
DC Motors- (a) Classification, Back EMF and its significance, Torque equation, Characteristics of shunt, series & compound motors, speed control of shunt, series and compound motors. Application of motors.
UNIT – 3
LOSSES AND EFFICIENCY- Losses in DC machines, power flow diagram, efficiency, condition for maximum efficiency.
UNIT – 4
TESTING OF DC MACHINES- Direct & indirect methods of testing of DC machines-Brake test, Swinburn’s test, Hopkinson’s test, Retardation test, Field’s test, merits and demerits of tests.
PART – B
Link: Part B Notes
UNIT – 5
SYNCHRONOUS MACHINES- the Basic principle of operation, construction of salient & nonsalient pole synchronous machines, generated EMF, the effect of distribution and chording of winding, harmonics-causes, reduction, and elimination. Armature reaction.
UNIT – 6
VOLTAGE REGULATION: Voltage regulation by EMF, MMF, ZPF & ASA method. Short circuit ratio and its importance. Two reaction theory-direct and quadrature axis reactances, phasor diagram.
UNIT – 7
Synchronizing to infinite bus bars, parallel operation of alternators. Operating characteristics, power angle characteristics excluding armature resistance, the operation for fixed input and variable excitation.
UNIT – 8
SYNCHRONOUS MOTOR: Principle of operation, phasor diagrams, torque and torque angle, Blondal diagram, the effect of the change in load, the effect of the change in excitation, V and inverted V curves.