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Power Electronics
AC Power
CHAPTER
12
Figure 12.1
12-1
Classification of power electronic devicesFigure 12.1
Table 12.1
12-2
Table 12.1Power electric circuits
Figure 12.2
12-3
AC-DC converter circuit and waveformFigure 12.2
Figure 12.3
12-4
AC-AC converter circuit and waveformFigure 12.3
Figure 12.4
12-5
DC-DC converter circuit and waveformFigure 12.4
Figure 12.5
12-6
DC-AC converter circuit and waveformFigure 12.5
Heat sink construction for voltage regulators
Figure 12.12
Figure 12.7,
12.8, 12.9
12-8
Practical voltage regulator Figure 12.8
Figure 12.9
Figure 12.7
Figure 12.10, 12.11
Figure 12.11Figure 12.10
12-9
Figure 12.13
12-10
Limitations of a BJT amplifierFigure 12.13
Figure 12.14, 12.15
12-11
BJT switching waveforms MOSFET switching waveformsFigure 12.15Figure 12.14
Figure 12.16
12-12
IGBT simplified equivalent circuitFigure 12.16
Figure 12.17, 12.18
12-13
Rectifier connected to an inductive load
Operation of a freewheeling diodeFigure 12.18
Figure 12.17
Figure 12.20, 12.21
12-14
Three-phase diode bridge rectifier
Waveforms and conduction times of three-phase bridge rectifier
Figure 12.21Figure 12.20
Figure 12.22, 12.23
12-15
Thyristor structure and circuit symbol
Thyristor i-v characteristicFigure 12.23
Figure 12.22
Figure 12.24
12-16
Thyristor two-transistor modelFigure 12.24
Controlled rectifier circuitFigure 12.25
Figure 12.26
Half-wave controlled rectifier waveforms
Figure 12.25, 12.26
12-17
Thyristor Circuit
Figure 12.31, 12.32
Figure 12.33
12-18
The four quadrants of an electric driveFigure 12.33
Figure 12.34, 12.35
12-19
DC motorFigure 12.34
Step-down chopper (buck converter)Figure 12.35
Step-down chopper waveforms
Figure 12.36
Figure 12.36
12-20
Figure 12.37
12-21
Step-up chopper (boost converter)
Figure 12.37
Step-up chopper output voltage waveform (ideal)
Figure 12.38
Figure 12.38
12-22
Step-up chopper used for regenerative braking
Figure 12.39
Figure 12.39
12-23
Figure 12.40
12-24
Two-quadrant chopperFigure 12.40
Figure 12.41, 12.42
12-25
Half-bridge voltage source inverter
Half-bridge voltage source inverter waveforms
Figure 12.41 Figure 12.42
Figure 12.43, 12.44
12-26
Full-bridge voltage source inverter
Half-bridge voltage source inverter output waveform
Figure 12.43 Figure 12.44
Figure 12.45, 12.46
12-27
Three-phase voltage source inverter
Three-phase voltage source inverter waveforms
Figure 12.45 Figure 12.46