Conditions for connecting two transformers in parallel. Testing: Open-circuit and Short-circuit tests. Key Topics to Focus on in the 2021 Quantum PDF
: Equivalent circuits, phasor diagrams, efficiency calculation, and voltage regulation.
Comprehensive Guide to Electrical Machines 1: AKTU Quantum PDF 2021 electrical machines 1 quantum pdf 2021
: Energy and co-energy in singly and doubly excited systems; force and torque production in magnetic systems. 2. DC Machines: Construction and Operation Components
Constructional details (stator, rotor, commutator) and working principles. Conditions for connecting two transformers in parallel
Eg=Φ⋅Z⋅N⋅P60⋅Acap E sub g equals the fraction with numerator cap phi center dot cap Z center dot cap N center dot cap P and denominator 60 center dot cap A end-fraction is total conductors, is speed in RPM, and is parallel paths ( for wave winding, for lap winding).
Flux Control Method: Controls speed above rated speed by varying field resistance. Comprehensive Guide to Electrical Machines 1: AKTU Quantum
As mentioned, the content is mostly timeless. Purchasing or finding a more recent edition of the "Quantum Series Electrical Machines-I" or even a different standard textbook will serve the same purpose.
1. Magnetic Circuits and Electromechanical Energy Conversion