Lectures:
Bipolar power transistor - modeling of characters, Darlington connection, parallel connection, power switching of inductive load, excitation pulses - kinds of creating.
Unipolar transistors, IGBT, MCT - modeling of characters, surrogate diagram, method s of formation excitation pulses, parallel connection.
Mode of semiconductor switching - hard switching, soft switching, cooperation witch neutral diode, switch on in zero current or voltage.
Safety circuits of semiconductor switches - RC, RCD, characteristics, spread of losses.
Analysis of output voltage and current of controlled rectifiers.
Mains and load - influences on rectifiers.
Back influences of rectifiers to mains, power scheme.
Control characteristics of rectifiers.
Pulse converters, modes of control influences to load. Analyze of output voltage and current.
Principles of resonance converters.
Power circuits of voltage inverter, resonance converters.
Power circuit of current inverter, four quadrant connecting of frequency converters.
Modern structure power schemes and control algorithms of frequency converters.
Requirements on passive elements of power circuits.
Exercises:
Training of subject Power Electronics I - characteristics power components.
Modeling in program Pspice. Introduction basic models power component.
Dimensioning of coolers for without potential modules.
Dimensioning of coolers with air refrigeration for switch off components at low and high frequency areas.
TEST Nr.1 - Characteristics of power semiconductor components and their losses.
Back influences of rectifiers.
TEST Nr.2 - in range of lectures 7. - 12.
Special dimensioning of capacitors and inductions for power electronic.
Laboratories:
Laboratory exercises Nr.1 - Switch with bipolar transistor.
Laboratory exercises Nr.2 - Switch with unipolar transistor.
Laboratory exercises Nr.3 - Commutation of rectifiers.
Laboratory exercises Nr.4 - Resonance inverters.
Laboratory exercises Nr.5 -Commutating circuits for voltage inverters.
Computer labs:
Assessment of losses and dimension in program PSpice - modeling.
Bipolar power transistor - modeling of characters, Darlington connection, parallel connection, power switching of inductive load, excitation pulses - kinds of creating.
Unipolar transistors, IGBT, MCT - modeling of characters, surrogate diagram, method s of formation excitation pulses, parallel connection.
Mode of semiconductor switching - hard switching, soft switching, cooperation witch neutral diode, switch on in zero current or voltage.
Safety circuits of semiconductor switches - RC, RCD, characteristics, spread of losses.
Analysis of output voltage and current of controlled rectifiers.
Mains and load - influences on rectifiers.
Back influences of rectifiers to mains, power scheme.
Control characteristics of rectifiers.
Pulse converters, modes of control influences to load. Analyze of output voltage and current.
Principles of resonance converters.
Power circuits of voltage inverter, resonance converters.
Power circuit of current inverter, four quadrant connecting of frequency converters.
Modern structure power schemes and control algorithms of frequency converters.
Requirements on passive elements of power circuits.
Exercises:
Training of subject Power Electronics I - characteristics power components.
Modeling in program Pspice. Introduction basic models power component.
Dimensioning of coolers for without potential modules.
Dimensioning of coolers with air refrigeration for switch off components at low and high frequency areas.
TEST Nr.1 - Characteristics of power semiconductor components and their losses.
Back influences of rectifiers.
TEST Nr.2 - in range of lectures 7. - 12.
Special dimensioning of capacitors and inductions for power electronic.
Laboratories:
Laboratory exercises Nr.1 - Switch with bipolar transistor.
Laboratory exercises Nr.2 - Switch with unipolar transistor.
Laboratory exercises Nr.3 - Commutation of rectifiers.
Laboratory exercises Nr.4 - Resonance inverters.
Laboratory exercises Nr.5 -Commutating circuits for voltage inverters.
Computer labs:
Assessment of losses and dimension in program PSpice - modeling.