Mechatronic systems
Part 3: Power Electronics Electric Drives (LEA)
1. dynamic power loss calculation
- Current and voltage curves of a semiconductor valve when switching on and off
- Determination of power loss and energy loss per switching cycle
- Determination of the maximum switching frequency for a given maximum power loss
2. B6 rectifier circuit (uncontrolled)
- Current and voltage curves with resistive load
- Determining the voltage load of a semiconductor valve
- Determination of the arithmetic mean value of the DC output voltage and the RMS value of the mains current
3. M3 rectifier circuit (uncontrolled)
- Current and voltage curves with resistive load
- Determining the voltage load of a semiconductor valve
- Determination of the arithmetic mean value of the DC output voltage and the RMS value of the mains current
- Calculation of the DC power and the active power in one phase
4. active and distortion reactive power
- Power analysis with sinusoidal voltage and non-sinusoidal current
- Calculation of the Fourier coefficients for a rectangular current waveform
- Determination of the distortion reactive power, the power factor and the apparent power
5. Single-symmetrical and asymmetrical B2 rectifier circuit (semi-controlled)
- Determination of the output voltage at different firing angles
- Calculation of the ignition angle-related displacement factor
- Difference in valve loads for a symmetrical and asymmetrical circuit
6. commutation, overlapping
- Current and voltage curves in the presence of a mains reactance,
- Calculation of the commutation inductance,
- Determination of the overlap angle
7. boost converter
- Mode of operation of a boost converter
- Current and voltage characteristics of the boost converter
- Determination of the ripple factor in the current curve
8. buck converter
- Mode of operation of a buck converter
- Current and voltage characteristics of a buck converter
- Determining the ripple factor in the current curve
- Calculation of the natural frequency and damping
9. ramp-up time three-phase asynchronous motor
- Analysis of an M-n characteristic
- Graphical integration of the torque
- Graphical representation of the ramp-up process over time
10. transmission behavior of a DC shunt-wound machine (GNM)
- Determination of the signal flow diagram of a GNM
- Setting up transfer functions
- Determination and graphical representation of transition functions
11. investigations into the rotating field of three-phase asynchronous machines
- Graphical determination of the resulting flow of a two-pole winding
- Determination of the magnitude and phase of the resulting flow
12. torque effective value method
- Determination of the type power using the torque rms value
- Analytical calculation of the effective torque value
13. analysis of a run-up process
- Analysis of a motion process
- Determining the run-up time
- Determination of the speed curve during run-up
14. static power loss calculation
- Determining the arithmetic mean value and effective value of a current-time function
- Determination of the forward losses of a diode
15. fully controlled B2 circuit with DC shunt machine (GNM)
- Current and voltage curves of the B2 circuit fully controlled
- Starting current of the GNM with and without firing angle control
16. semi-controlled B6 with transformer
- Current and voltage curves of the B6 circuit semi-controlled
- Calculation of the transformation ratio of the converter transformer
17. thermal power loss calculation
- Pulsed power loss excitation
- Laplace transformation
- Determination of the transition function of the overtemperature
