A novel ZVT PWM Cuk power-factor corrector
Ching-Jung Tseng
Chern-Lin Chen
Dept. of Electr. Eng., Nat. Taiwan Univ., Taipei ;
This paper appears in: Industrial Electronics, IEEE Transactions on
Publication Date: Aug 1999
Volume: 46,
Issue: 4
On page(s): 780-787
ISSN: 0278-0046
References Cited: 12
CODEN: ITIED6
INSPEC Accession Number: 6348049
Digital Object Identifier: 10.1109/41.778240
Current Version Published: 2002-08-06
Abstract
A novel zero-voltage-transition (ZVT) pulsewidth modulated (PWM)
Cuk power-factor corrector (PFC) is proposed to achieve unity power
factor under zero-voltage-switching (ZVS) operations. In the proposed
ZVT PWM Cuk PFC, not only the power switch, but also the power diode,
commutate under ZVS. The proposed topology has the shortest ZVT time
and, thus, the shortest minimum duty cycle compared with other ZVT PWM
topologies. The resonant inductor can be discharged regardless of the
state of the main switch. Extremely short ZVT time and robust discharge
of the resonant inductor make the proposed topology well qualified for
variable-duty and high switching-frequency applications. Analytical
studies, design rules, and experimental waveforms of the ZVT PWM Cuk PFC
are presented in detail
Index
Terms
Available to subscribers and IEEE members.
References
Available to subscribers and IEEE members.
Citing Documents
Available to subscribers and IEEE members.
Cart
