Design features of power and distribution type transformers
Power transformer 1. Load on the transformer will be at or near the…
Design of commutator and brushes
The Commutator is an assembly of Commutator segments or bars tapered in…
Selection of number of poles
As the armature current increases, cross sectional area of the conductor and…
Real & Apparent flux densities
Although a detailed description of the design of a DC machine is…
Carter’s Coefficient
Carter’s gap expansion coefficient Where Kgs is called the Carter’s gap expansion…
Factors Effecting the Resistivity of Electrical Materials
Factors effecting the resistivity of electrical materials are listed below - 1. Temperature. 2. Alloying.…
High Resistivity or Low Conductivity Conducting Material
Materials having high resistivity or low conductivity are very useful for some electrical engineering…
Low Resistivity or High Conductivity of Conducting Material
Material having low resistivity or high conductivity are very useful in electrical engineering for manufacturing electrical…
Classification of Electrical Conducting Materials
Electrical conducting material are the basic requirement for electrical engineering products. The electrical…


