Controller Design Considerations for ACM APFC Systems

Table 1

Analysis printout of the original circuit, full power (250 W).

Fourier components of transient response
DC component = 2.758333𝐸−04
Harm no.	Freq (Hz)	Fourier comp	Normalized comp	Phase (Deg)	Norm. phase (Deg)
1	6.000𝐸+01	3.198𝐸+00	1.000𝐸+00	−1.797𝐸+02	0.000𝐸+00
2	1.200𝐸+02	4.295𝐸−04	1.343𝐸−04	1.456𝐸+02	5.050𝐸+02
3	1.800𝐸+02	5.949𝐸−02	1.860𝐸−02	1.742𝐸+01	5.565𝐸+02
4	2.400𝐸+02	1.831𝐸−04	5.724𝐸−05	−1.779𝐸+02	5.408𝐸+02
5	3.000𝐸+02	1.372𝐸−03	4.290𝐸−04	2.705𝐸−01	8.987𝐸+02
6	3.600𝐸+02	1.248𝐸−04	3.903𝐸−05	1.740𝐸+02	1.252𝐸+03
7	4.200𝐸+02	1.649𝐸−04	5.157𝐸−05	6.782𝐸+00	1.265𝐸+03
8	4.800𝐸+02	8.522𝐸−05	2.665𝐸−05	1.764𝐸+02	1.614𝐸+03
9	5.400𝐸+02	1.090𝐸−05	3.409𝐸−06	1.197𝐸+02	1.737𝐸+03
10	6.000𝐸+02	7.085𝐸−05	2.215𝐸−05	−1.798𝐸+02	1.617𝐸+03
Total harmonic distortion = 1.860710𝐸+00 percent