Lectures:
Magnetic circuit of three-phase transformer
Nonlinear phenomena in transformer
Cut off on transformer connexion in net.
Calculation leakage winding reactance
Windings direct-current machines, vector star and voltage polygon, equations of windings, loop and wave windings
Windings of alternate machines, factor winding, diagram of slotted voltages
Tinley's winding diagram and Goegresses diagram, rotor winding of asynchronous machines
Equivalent circuit and circle diagram asynchronous machine from calculated values.
Reactances and resistances calculation of electrical machines, differential leakage
Magnetic circuit calculation of synchronous and asynchronous machines
Calculation of no-load circuit characteristic and exciting winding of synchronous machine, excitation systems
Losses calculation of electrical machines, losses in copper, in iron, mechanic losses and auxiliary losses
Determination of exciting current in loading synchronous machine.
Characteristic of synchronous machines.
Exercises:
Submission of semester work, requirements on conferment of credits
DC windings, loop and wave windings, voltage polygon, coupler of I. and II.order
Tinley´s winding diagram and Goerges´es diagram, running of magneto motive force in air space, factor differential leak
Credit exercise
Laboratories:
Apprise of laboratory equipments safety regulations
Measurement on transformer - trigger current
Measurement short-circuit current on synchronous generatort
Projects:
It is submit self work, which students work up in time out of tutorial. Projects are calculations, drawing documentation and technical documentation from laboratory exercises.
Computer labs:
Exciting current, transformer calculation, resistances of primary and secondary winding, reactance's calculation and short-circuit voltage
Introduction to transformer calculation, temperature classes, isolation classes selection, cooling, plating, material of windings, design of mag. circuits, selection of magnetic induction, active cross-section of mag. circuit, selection of numbers core steps, parallel sub-circuits, height of transformer window, insulating distance
Magnetic circuit of three-phase transformer
Nonlinear phenomena in transformer
Cut off on transformer connexion in net.
Calculation leakage winding reactance
Windings direct-current machines, vector star and voltage polygon, equations of windings, loop and wave windings
Windings of alternate machines, factor winding, diagram of slotted voltages
Tinley's winding diagram and Goegresses diagram, rotor winding of asynchronous machines
Equivalent circuit and circle diagram asynchronous machine from calculated values.
Reactances and resistances calculation of electrical machines, differential leakage
Magnetic circuit calculation of synchronous and asynchronous machines
Calculation of no-load circuit characteristic and exciting winding of synchronous machine, excitation systems
Losses calculation of electrical machines, losses in copper, in iron, mechanic losses and auxiliary losses
Determination of exciting current in loading synchronous machine.
Characteristic of synchronous machines.
Exercises:
Submission of semester work, requirements on conferment of credits
DC windings, loop and wave windings, voltage polygon, coupler of I. and II.order
Tinley´s winding diagram and Goerges´es diagram, running of magneto motive force in air space, factor differential leak
Credit exercise
Laboratories:
Apprise of laboratory equipments safety regulations
Measurement on transformer - trigger current
Measurement short-circuit current on synchronous generatort
Projects:
It is submit self work, which students work up in time out of tutorial. Projects are calculations, drawing documentation and technical documentation from laboratory exercises.
Computer labs:
Exciting current, transformer calculation, resistances of primary and secondary winding, reactance's calculation and short-circuit voltage
Introduction to transformer calculation, temperature classes, isolation classes selection, cooling, plating, material of windings, design of mag. circuits, selection of magnetic induction, active cross-section of mag. circuit, selection of numbers core steps, parallel sub-circuits, height of transformer window, insulating distance