Complete Electrical Machines For Electrical Engineering
Welcome To Our Course “Complete Solar Electrical Machines Course For Electrical Engineering” ⚡️⚡️⚡️
This course is designed for anyone who would like to learn about electrical machines from A to Z for electrical engineers ⚡️ ⚡️ including DC machines, magnetic circuits, transformers, synchronous machines and induction machines.
What are you going to learn in this course?
✔️ Importance and construction of DC machines.
✔️ Armature winding and emf equation.
✔️ Separately excited DC machine.
✔️ Shunt and series DC machines.
✔️ Types and applications of compound DC motors.
✔️ Torque-speed characteristics and speed control of separately excited DC motor.
✔️ Torque-speed characteristics of series DC motor.
✔️ Starting of DC machine.
✔️ Armature reaction in DC machines.
✔️ Losses in DC machines.
✔️ Dozens of solved examples on all types of DC machines.
✔️ Importance of the magnetic circuit and its application like transformer.
✔️ Difference between linear and non linear materials.
✔️ Important definitions of magnetic circuits, flux linkage and reluctance.
✔️ Analogy between the magnetic and electric circuits , the similarity between them like resistance, reluctance, conductivity, permeability, emf, mmf, Current, flux, magnetic flux density and current density.
✔️ Induced emf , fringing effect and ampere right hand rule or screw rule.
✔️ Importance of transformers and why it is considered as the backbone of the power system.
✔️ Construction of the transformer and its main components
✔️ Iron core which is responsible for the magnetic flux action.
✔️ Magnetic circuit which is represented by the iron core.
✔️ Windings of transformer, types, categories and construction.
✔️ Insulating material between the windings and iron core + transformer oil and its great importance.
✔️ Conservator of transformer which contains oil and its function.
✔️ Breather which is used as filter in transformer.
✔️ Bushings which is important for human safety and protection from instant death.
✔️ Tap changer which is used to control the voltage according to the load variations.
✔️ Cooling tubes for transformer oil cooling and heat dissipation.
✔️ Buchholz relay in transformer for gas detection.
✔️ Explosion vents for protection of transformer in case of internal faults.
✔️ Different methods of cooling of transformer and their corresponding power rating.
✔️ Different types of transformers as power and distribution transformers.
✔️ Difference between single phase core and shell type transformers.
✔️ Difference between three phase core and shell type transformers.
✔️ Comparison between the shell type and core type transformers.
✔️ Theory of operation of transformer.
✔️ Effect of loading on transformer.
✔️ Transformer regulation and efficiency.
✔️ Different losses occurring in transformer.
✔️ Transformer rating.
✔️ Voltage relation in transformer.
✔️ Approximate and exact equivalent circuits of transformer.
✔️ Concept of referring in transformer.
✔️ Ideal and non ideal transformers and understand which one of them represents an actual real-life transformer.
✔️ Construction and principle of operation of synchronous generator.
✔️ Principle of operation of synchronous motor.
✔️ Equivalent circuit and phasor diagram of non salient synchronous machine.
✔️ Equivalent circuit and phasor diagram of salient synchronous machine.
✔️ Parallel operation of two generators.
✔️ Synchronization of machine with grid.
✔️ Dozens of solved examples on synchronous machines salient and non salient.
✔️ Construction and theory of operation of induction machines.
✔️ Equivalent circuit and power flow in induction motor.
✔️ Torque-speed characteristics of induction motor.
✔️ Methods of speed control of induction motor.
✔️ Methods of starting induction motor.
✔️ Principle of operation of doubly fed induction generator.
✔️ Self excited induction generator.
✔️ Dozens of solved examples on induction machines.
Construction of Transformer
Fundamentals of Magnetic Circuits
Theoretical Part on Transformers
In this example i would to clarify that the power=VI cosphi and the vertical part is IX cosphi and it is not equal to the power but the power is directly with it, as Icosphi increases then the power will increase.