AN2154

List of figures

3/16

List of figures

Figure 1.

Motor connected to a three-phase inverter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4

Figure 2.

Space vector diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5

Figure 3.

The 12-bit PWM block generator of ST7MC motor control peripheral . . . . . . . . . . . . . . . . . 8

Figure 4.

Center-aligned PWM waveform: compare 0 register = 8, compare register value = 4 . . . . . 8

Figure 5.

Edge-aligned PWM waveform: compare 0 register = 8, compare register value = 4 . . . . . . 8

Figure 6.

Edge-aligned SVPWM patterns . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9

Figure 7.

Center-aligned SVPWM patterns . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10

Figure 8.

The update interrupt service routine block diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14

Figure 9.

Phase voltage, line-to-ground voltage and neutral point-to-ground voltage . . . . . . . . . . . . 14

Figure 10.

Magnitude spectrum of the motor phase voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15