Lectures:
Types of electric machines. Materials used by electric machines design. Enclosure, shape and cooling. Laws, equations and methods used in electric machines.
Principle and description of transformer. Operation states. Equivalent circuit. Phasor diagram.
Three-phase transformers. Winding connection. Operation in parallel. Special types of transformers.
Magnetic field of electric machines. Types and function of winding.
Use of induction machines. Design types and foundation dates. Function and operation state.
Energy recapitulation of induction machines. Equivalent circuit. Torque.
Starting and speed control of induction motors. Induction generator and brake.
Single phase induction motors.
Synchronous machines. Use and designing arrangement. Function.
Operation states and properties. Solitary operation. Parallel operation with network. Synchronization conditions.
Synchronous motors and compensators. Stability of synchronous machines.
DC machines principles. No load and loaded state of DC machine. Theory of commutation.
Properties and use of DC motors.
Types of DC machines. Excitation. DC machine torque.Principle and operation of AC commutator machines.
Exercises:
Calculation excercise of transformers.
Calculation excercise of asynchronous machines.
Calculation excercise of synchronous machines.
Calculation excercise of direct current machines.
Laboratories:
Familirization with laboratory practice, safety training, mark condition
Transformer measurement(no-load, short-circuit).
Measurement by three-phase transformer winding connection.
No-load test and locked-rotor test of asynchronous motor and load test of asynchronous motor.
No-load and short-circuit test of synchronous machine.
V-curves test.
Test
Accreditation.
Projects:
Project consists of elaboration of protocols from laboratory excercises, with values, diagrams and evaluation of results.
Types of electric machines. Materials used by electric machines design. Enclosure, shape and cooling. Laws, equations and methods used in electric machines.
Principle and description of transformer. Operation states. Equivalent circuit. Phasor diagram.
Three-phase transformers. Winding connection. Operation in parallel. Special types of transformers.
Magnetic field of electric machines. Types and function of winding.
Use of induction machines. Design types and foundation dates. Function and operation state.
Energy recapitulation of induction machines. Equivalent circuit. Torque.
Starting and speed control of induction motors. Induction generator and brake.
Single phase induction motors.
Synchronous machines. Use and designing arrangement. Function.
Operation states and properties. Solitary operation. Parallel operation with network. Synchronization conditions.
Synchronous motors and compensators. Stability of synchronous machines.
DC machines principles. No load and loaded state of DC machine. Theory of commutation.
Properties and use of DC motors.
Types of DC machines. Excitation. DC machine torque.Principle and operation of AC commutator machines.
Exercises:
Calculation excercise of transformers.
Calculation excercise of asynchronous machines.
Calculation excercise of synchronous machines.
Calculation excercise of direct current machines.
Laboratories:
Familirization with laboratory practice, safety training, mark condition
Transformer measurement(no-load, short-circuit).
Measurement by three-phase transformer winding connection.
No-load test and locked-rotor test of asynchronous motor and load test of asynchronous motor.
No-load and short-circuit test of synchronous machine.
V-curves test.
Test
Accreditation.
Projects:
Project consists of elaboration of protocols from laboratory excercises, with values, diagrams and evaluation of results.