##### Electrical Machine Design

- Factors for consideration in electrical machine design
- Materials for Electrical Machines - Conducting materials
- Materials for Electrical Machines - Magnetic materials
- Materials for Electrical Machines - Alloys
- Materials for Electrical Machines - Insulating materials
- Classification of insulating materials based on thermal consideration
- First Maxwell Equation
- Second Maxwell-Equation
- Lorentz Force Law
- Magnetic force and its variation
- Average value, rms value, efficiency
- Applied complex calculation on AC currents
- Methods of connection of three phase systems
- Symmetrical components of a three phase system
- Fundamentals of rotating electrical machines
- Operating limits of rotating electrical machines
- Equation of motion in rotating electrical machines
- Mechanical power of electrical machines
- Load- and motor characteristics, stationary stability

- Size of the DC machine
- Output equation of DC machine
- Choice of specific electric and magnetic loadings in DC machine
- Dimensions of armature condutors in dc machine
- Ventilating ducts and net iron length of armature core
- Choice of number of poles in DC machines
- Selection of number of poles in DC machines
- Armature winding in DC machines
- Choice between a lap and wave winding in DC machines
- Armature conductors in DC machine
- Choice between a round and rectangular conductor in DC machine
- Details of insulation in DC machine
- Types of slots in DC machine
- Number of armature slots in DC machine
- Rule to select the number and size of slots in DC machine
- Conductor insulation in dc machine
- Design of commutator in dc machine
- Brush details in dc machine
- Brush properties & Step by step design procedure of commutator and brushes in dc machines
- Magnetic circuit of a d.c. machine
- Reluctance of the air gap in dc machine
- Carterâ€™s coefficient for slots in dc machine
- Effect of ventilating ducts on the reluctance of the air gap
- Combined effect of slots and ducts on the reluctance of the air gap
- Calculation of ampere-turns per pole for the magnetic circuit of a DC machine
- Methods of calculating the ampere turns for the armature teeth: Graphical method
- Methods of calculating the ampere turns for the armature teeth: Simpsonâ€™s method
- Methods of calculating the ampere turns for the armature teeth: one by third armature teeth Flux
- Real and Apparent Flux densities in DC machine
- No-load, Magnetization or Open circuit characteristic in DC machine
- Design of field windings in dc machine

- Design features of power and distribution type transformers
- Constructional, Winding Details and Specification of transformer
- Size of the transformers
- Output equation of the transformer
- Voltage per turn equation of transformer
- Core design of transformer
- Leg or limb section details of transformer
- Yoke section details & Window area and core proportion of transformer
- Core type transformer - height and length
- Winding details of Core type transformer
- No-load current of a core type transformer
- Resistance and reactance of core type transformer
- Expression for the leakage reactance of a core type transformer with concentric LV and HV coils of equal height or length
- Design of tank and tubes of transformer
- Dimensions of the tank of transformer
- Number and dimensions of tubes of transformer
- Prediction of no load current in transformer
- Forces on winding during short circuit
- Load with nominal stress of a transformer
- Parallel connection in transformer
- Calculation of the magnetizing inductance of transformer
- Calculation of the leakage inductances of transformer
- Efficiency of transformer
- Growth conditions of transformer
- Design, Vector group of a Three-phase transformer
- Temperature rise calculations of transformer
- Continuous and intermittent rating in transformer

- Introduction to design of synchronous machines
- Design perspective of Construction of synchronous machines
- Design, specifications and main dimension of synchronous machine
- Output equation of synchronous machines
- Choice of Specific electric and magnetic loadings of alternators
- Dimensions of stator of alternators
- Short circuit ratio of alternators
- Length of air gap of alternators
- Design of stator windings of alternators
- Number of slots of alternators
- Turns per phase & Conductor cross section of alternators
- Stator coils of alternators
- Single turn bar windings of alternators
- Multi turn coils of alternators
- Dimensions of stator slot of alternators
- Mean length of the Turn of alternators
- Design of the field System: Salient pole Alternator
- Design of field winding for salient pole Alternator
- Design of the field System: Non-Salient pole Alternator
- No-load, sustained short circuit of synchronous machine
- Load characteristics of synchronous machines
- Regulation characteristics of synchronous machines
- Synchronous machine as oscillating system without damper windings
- Synchronous machine as oscillating system with damper windings

- Construction details of Induction motor
- Introduction to Design of Induction motor
- Output Equation of Induction motor
- Choice of Specific magnetic and electric loadings of Induction motor
- Choice of power factor and efficiency & stator dimensions of Induction motor
- Peripheral Speed & Design of Stator of Induction motor
- Selection of number of stator slots of Induction motor
- Turns per phase & Conductor cross section of Induction motor
- Area of stator slot & Size of the slot of Induction motor
- Length of the mean Turn & Resistance of stator winding & Flux density in stator tooth of Induction motor
- Depth of stator core below the slots of Induction motor
- Design of Rotor of Induction motor
- Number of slots of Induction motor
- Rotor Bar Current, Cross sectional area and Shape and Size of the Rotor slots of Induction motor
- Copper loss in rotor bars & Area of end ring, Copper loss in End Rings and Equivalent Rotor Resistance in Induction motor
- End Ring Current in an induction motor
- Design of wound rotor, number of slots, number of rotor turns of Induction motor
- Rotor current, area of rotor conductor, size of rotor slot and cu loss in Induction motor
- Flux density in rotor tooth & Depth of stator core below the slots of Induction motor
- Iron losses in Induction motor
- No load current of Induction motor