NDLI: Effect of intermediate capacitance on slow-scale instability of Cuk power factor correction converter operating in discontinuous capacitor voltage mode

Content Provider	IET Digital Library
Author	Zhou, Qun Liu, Chenqiong Liu, Xueshan Zhang, Xi Xu, Jianping Cao, Keyu
Abstract	Due to features of near-unity power factor, soft turn-off switching and low switch current stress, Cuk power factor correction (PFC) converter operating in discontinuous capacitor voltage mode (DCVM) has attracted much attention. However, it is found that with the increase of intermediate capacitance, slow-scale instability occurs in voltage mode control (VMC) DCVM Cuk PFC converter. In this study, a simplified model for VMC DCVM Cuk PFC converter is established, upon which the effect of intermediate capacitance on the slow-scale instability and the corresponding bifurcation behaviours are studied by using harmonic balance method and Floquet theory. Furthermore, the stability boundaries in terms of the intermediate capacitance under different load resistance and input voltage are given, which is helpful for parameter design of VMC DCVM Cuk PFC converter. Finally, numerical simulations and experimental results are provided to verify the analysis results.
Starting Page	1975
Ending Page	1981
Page Count	7
ISSN	17554535
Volume Number	10
e-ISSN	17554543
Issue Number	Issue 14, Nov (2017)
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/iet-pel/10/14
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/10.1049/iet-pel.2017.0374
Journal	IET Power Electronics
Publisher Date	2017-07-31
Access Restriction	Open
Rights Holder	© The Institution of Engineering and Technology
Subject Keyword	Bifurcation Bifurcation Behaviours Capacitance Circuit Stability Cuk Power Factor Correction Converter Slow-scale Instability DC-DC Power Converter Discontinuous Capacitor Voltage Mode Floquet Theory Harmonic Balance Method Intermediate Capacitance Effect Load Resistance Low Switch Current Stress Near-unity Power Factor Numerical Analysis Numerical Simulation Power Electronics Power Factor Correction Power Supply Soft Turn-off Switching Stability Boundary Supervisory Circuit VMC DCVM Cuk PFC Converter Voltage Control Voltage Mode Control DCVM Cuk PFC Converter
Content Type	Text
Resource Type	Article
Subject	Electrical and Electronic Engineering

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