TIDT334 September 2023 UCD3138
2.1 Bode Plots
With HHC control, the system control loop is turned into first order, the bode plots under different conditions are shown in the following figures.
Figure 2-1 Bode Plot Under 380-V, 20-A Load; ƒc: 4.47 kHz; Phase Margin: 52.455 deg; Magnitude Margin: 6.322 dB
Figure 2-2 Bode Plot Under 380-V 40-A Load; ƒc: 7.61 kHz; Phase Margin: 52.760 deg; Magnitude Margin: 6.503dB
Figure 2-3 Bode Plot Under 380-V 84-A Load; ƒc: 6.19 kHz; Phase Margin: 50.571 deg; Magnitude Margin: 6.49 dB
Figure 2-4 Bode Plot Under 400-V 20-A Load; ƒc: 8.28 kHz; Phase Margin: 54.978 deg; Magnitude Margin: 8.180 dB
Figure 2-5 Bode Plot Under 400-V 40-A Load; ƒc: 7.53 kHz; Phase Margin: 55.291 deg; Magnitude Margin: 8.13 dB
Figure 2-6 Bode Plot Under 400-V 84-A Load; ƒc: 7.79 kHz; Phase Margin: 50.750 deg; Magnitude Margin: 6.335 dB
Figure 2-7 Bode Plot Under 420-V 20-A Load; ƒc: 5.43 kHz; Phase Margin: 65.572 deg; Magnitude Margin: 16.436 dB
Figure 2-8 Bode Plot Under 420-V 40-A Load; ƒc: 7.56 kHz; Phase Margin: 62.131 deg; Magnitude Margin: 10.876 dB
Figure 2-9 Bode Plot Under 420-V 84-A Load; ƒc: 9.19 kHz; Phase Margin: 51.353 deg; Magnitude Margin: 7.207 dB