Showing posts with label Machine. Show all posts
Showing posts with label Machine. Show all posts

June 26, 2020

Electrical Machine Design Notes

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Download 

Updated Notes : 
Notes from Classroom of 2022-23 Batch

Unit 1

Unit 2

Unit 3

Unit 4

Unit 5


Complete Syllabus Short Notes

OR



Download Unit-wise Notes - Previous Syllabus
Major Considerations of Electrical Machine Design (Unit 1)


Transformer Design

3 phase Induction Motor Design


Synchronous Machine Design 



Computer Aided Design (CAD) of Electrical Machines




Download Class Notes (2022-23 batch)

Unit - II

Unit - III and IV

Unit V


Download 70 Important Questions










September 27, 2019

Equivalent Circuit, Phasor Diagram and Voltage Regulation: Transformer - Part 3

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Download notes of Transformer from the below link (in PDF)



The topics covered are:

Transformer with Resistance and Leakage Reactance (Practical Transformer).
Phasor Diagram. 
  • Resistive Load
  • Inductive Load
  • Capacitive Load
Exact Equivalent Circuit of Transformer.
  • Shifting of Parameters

Simplification of the exact equivalent circuit of a transformer.
  • Shifting secondary parameters to the primary side
  • Equivalent circuit referred to the secondary side

The approximate voltage drop of a transformer.
Voltage Regulation.
  • Condtion for maximum voltage regulation.



1a. Practical Transformer with Leakage Reactance and Resistance

1b

2a Phasor Diagram 

2b

3a

3b


4a
4b Exact Equivalent Circuit

5a Shifting of parameters

5b

6a

6b Simplification of the exact equivalent circuit

7a shifting of parameters of simplified circuit

7b

8a Approximate voltage drop

8b

9a Voltage Regulation

9b

10a

10b

11a

11b

November 25, 2017

Characteristics of DC Generator, Voltage Regulation, Parallel Operation :: DC Generator (last) part 6

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Download : (4 MB)



Download - Link 2: (2 MB)



No. of Pages = 6

Characteristics of DC Generator

Load characteristics of 
  1. Separately excited DC Generator
  2. Shunt Generator
  3. Series Generator
  4. Cumulative Compound Generator
  5. Differential Compound Generator
Voltage Regulation
Parallel Operation
  1. For two shunt generator
  2. For two series generator
















Armature Reaction :: DC Generator Part 4

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Download: (5 MB)



Download Link 2 : (3 MB)



Armature Reaction

  • Armature Flux
  • Geometric Neutral Axis (GNA)
  • Magnetic Neutral Axis (MNA)
  • Brush Shifting
  1. Cross Magnetization
  2. Demagnetization
Methods of reducing armature reaction

  1. Pole stacking
  2. Pole chamfering
  3. Pole cross slotting
  4. Compensating winding
Demagnetizing Ampere Turns/ Pole
Cross Magnetizing Ampere Turns


















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