Electrical Machines Articles:

This Electrical Machines Articles which includes the following topics:

1. Electric Generator Diagram
2. Types of Rotating Electric Machine
3. Recent Trends in Electric Machines
4. Magnetic Field Equation
5. BH Curve Relationship of Ferromagnetic Material
6. Magnetic Circuit Calculations
7. Magnetic Properties of Materials
8. Magnetically Induced Emf and Force
9. Energy Density Formula in Magnetic Circuit
10. Hysteresis Loss and Eddy Current Loss in Transformer
11. Define Permanent Magnet in Magnetic Circuits
12. Application of Permanent Magnet Motor
13. How does a Transformer Work and Purpose of Transformer
14. Construction of Transformer and types of transformer
15. Transformer Cooling System
16. Natural Cooling System in Transformer
17. Forced Cooling in Transformer
18. Phasor Diagram of Transformer on No Load
19. Ideal Transformer on Load
20. Real Transformer On Load Condition
21. Approximate Equivalent Circuit of Transformer
22. Phasor Diagram of Transformer
23. Transformer Nameplate Rating
24. Different types of losses in transformer
25. Transformer Testing Methods
26. Sumpner Test of Transformer
27. Per Unit System
28. Transformer Efficiency Formula
29. Voltage Regulation Formula of Transformer
30. Excitation Phenomenon in Transformer
31. Switching Transients in Transformer
32. Autotransformer
33. Variable Frequency Transformer
34. Three Phase Transformer Connections
35. Choice of Transformer Connection Diagram
36. Three phase Transformer Bank of Single phase Transformers
37. Back to Back Test of Transformer
38. Parallel Operation of Transformer
39. Three Winding Transformer
40. Phase Conversion in Transformer
41. Tap Changing Transformer
42. Current transformer and Potential transformer
43. Audio Frequency Transformer
44. Energy in Magnetic System
45. Field Energy and Mechanical Force
46. Principle of Electromechanical Energy Conversion
47. Multiply Excited Magnetic Field System
48. Forces in system with Permanent Magnets
49. Electromechanical Energy Conversion via Electric Field Energy
50. Dynamical Equations of Electromechanical Systems
51. Rotating Electrical Machines
52. Synchronous Machine Working Principle
53. Three Phase Synchronous Generator
54. 2 Pole Elementary DC Machine
55. EMF Equation of AC Winding
56. Synchronous Generator with Distributed Winding
57. Harmonic Analysis in Distributed Winding
58. Short Pitch Coil or Chorded Coil
59. Two layer Winding of Transformer
60. Armature Winding in DC Machine
61. MMF of AC Distributed Winding
62. Sinusoidally Distributed Current Sheet Concept
63. Rotating Magnetic Field
64. Torque in Round Rotor Synchronous Machine
65. Torque Equation of Synchronous Motor
66. Principle of Induction Motor
67. Types of Magnetic Leakage Flux in Induction Motor
68. DC Motor Losses and Efficiency
69. Synchronous Generator Ratings and Loss Dissipation
70. Electric Motor Characteristics
71. Types of Armature Winding in Electric Machine
72. AC Winding
73. Tooth Ripple in Armature Winding
74. Construction and Working Principle of DC Motor
75. Introduction of DC Motor
76. EMF and Torque Equation of DC Machine
77. Circuit Model of DC Machine
78. Armature Reaction in DC Machine
79. Compensating Winding in DC Machine
80. Commutation in DC Machine
81. Methods of Excitation of DC Generator
82. Magnetization Characteristics of DC Generator
83. Self Excited DC Generator
84. Characteristics of Separately Excited DC Generator
85. External Characteristics of DC Shunt Generator
86. External Characteristics of Compound Generator
87. Characteristics of DC Motors
88. Speed Torque Characteristics of DC Series Motor
89. Starting of DC Motors
90. Field Control Method of DC Shunt Motor
91. Armature Control Method
92. Rheostatic Control Method
93. Shunted Armature Speed Control
94. Series Parallel Control of DC Motor
95. Ward Leonard Method of Speed Control of DC Motor
96. Braking of DC Motors
97. Testing of DC Machine or Swinburne Test
98. Hopkinsons Test on DC Machine
99. Separately Excited DC Motor for Dynamic Analysis
100. DC Machine Applications
101. What is Synchronous Motor
102. Construction of Cylindrical Rotor Synchronous Machine
103. Generating Mode and Motoring Mode of Synchronous Machine
104. Voltage Regulation of Synchronous Generator
105. Equivalent Circuit of Synchronous Motor
106. Determination of the Synchronous Reactance
107. Armature Reaction in Synchronous Motor
108. Armature Reaction in Synchronous Generator
109. Synchronous Machine on Infinite Bus Bars
110. Synchronous Machine Operation
111. Power Flow Equation of Synchronous Generator
112. Capability Curve of Synchronous Generator
113. Two Reaction Model of Salient Pole Synchronous Machine
114. Slip Test on Synchronous Machine
115. Parallel Operation of Synchronous Generator
116. Hunting in Synchronous Machine
117. Short Circuit Current in Synchronous Generator
118. Single Phase Synchronous Generator
119. Brushless DC Motor
120. Introduction to Induction Machine
121. Construction of Induction Motor and Types of Rotor in Induction Motor
122. Principle of Operation of Induction Motor
123. Induction Motor Equivalent Circuit
124. Approximate Circuit Model of an Induction Motor
125. Air Gap Power in Induction Motor
126. Torque Slip Characteristics of Induction Motor
127. Starting Methods of Induction Motor
128. Crawling and Cogging in Induction Motor
129. Speed Control of Induction Motor
130. Deep Bar Rotor Induction Motor
131. Double Cage Rotor Induction Motor
132. Standard Types of Squirrel Cage Motors
133. Induction Generator Transmission Line Diagram
134. Isolated Induction Generator
135. Dynamic Modelling of Induction Motor
136. Inverted Induction Motor
137. Development of a High Efficiency Induction Motor
138. Single Phase Induction Motor
139. Single Phase Two Winding Motor
140. Split Phase Motor
141. Shaded Pole Motor Working Principle
142. Difference Between Single Phase and Three Phase Induction Motor
143. Types of Single Phase Synchronous Motor
144. Equivalent Circuit of Single Phase Induction Motor
145. Two phase AC Servo Motor
146. Four Phase Stepper Motor
147. 2 Phase 4 Pole Permanent Magnet Stepper Motor
148. Hybrid Stepper Motor Construction and Working
149. AC Series Motor
150. Motor Control by Static Power Converters
151. What is Semiconductor Diode?
152. What is Silicon Controlled Rectifier (SCR)?
153. What is Power Transistor?
154. Darlington Transistor Working
155. What is Power MOSFET?
156. Insulated Gate Bipolar Transistor (IGBT)
157. Static Induction Transistor (SIT)
158. Static Induction Thyristor (SITH) – Symbol and its Workings
159. MOS Controlled Thyristor (MCT)
160. Recent Trends in Power Semiconductors
161. Block Diagram of Electrical Drives
162. What is Power Electronic Converter?
163. Types of Converters in Power Electronics
164. Thyristor Control of Motors
165. DC Motor Control through Converters
166. Three Phase Semi Converter feeding Separately Excited DC Motor
167. Basic Principle of Chopper Circuit
168. Induction Motor Speed Control Methods
169. Static Scherbius Drive Circuit Diagram
170. Static Kramer Drive
171. Phase Control of Three Phase Induction Motor
172. Single Phase Half Bridge Inverter
173. Single Phase Bridge Inverter
174. Three Phase Bridge Inverter
175. Voltage and Harmonic Control of Inverters
176. What is PWM Inverter?
177. What is Sinusoidal Pulse Width Modulation?
178. Types of Forced Commutation
179. Vector Control of Induction Motor
180. No Load Test of Induction Motor
181. Blocked Rotor Test of Induction Motor
182. Variable Reluctance Stepper Motor Working Principle
183. What is TRIAC?
184. Voltage Commutated Chopper Circuit
185. Current Commutated Chopper Circuit
186. Load Commutated Chopper Circuit