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라병훈(B.H.Ra),권순걸(S.K.Kwon),이현우(H.W.Lee),전중함(J.H.Chun),김광태(K.T.Kim) 전력전자학회 2003 전력전자학술대회 논문집 Vol.2003 No.11
Conventional vector control inverter is usually used for blower of air-accord equipment. In this paper, it is proposed that inverter is controlled by instantaneous following PWM controller. This controller compensate and follow for output voltage of inverter within one switching cycle as an error that compared output voltage of rectifier included much ripples with reference voltage of sine wave. It has not speedy response like vector controller, but the circuit is very simple as using analog integer. And it has advantages that develop input power factor, built<br/> small-capacity and low-cost because huge capacitor of voltage type inverter removed.
라병훈(B.H.Ra),이현우(H.W.Lee),김상돈(S.D.Kim),김광태(K.T.Kim) 전력전자학회 2003 전력전자학술대회 논문집 Vol.2003 No.7(1)
A new non linear, mean value, Instantaneous following control technique to design half bridge converter is proposed In witch control principle uses characteristic that reset time of analog Integrator is inverse proportion In Input voltage. It IS Important characteristic that compensation and follow-up control time are same with switching frequency. Is completed In one cycle that base control frequency. Have excellence characteristic that follow In order Instruction value exactly stationary state as well as transient state. Half bridge converter that apply this control principle can know that have stabilize and excellence characteristic This technique is verified through an experiment, and know that experiment result and theory agree well.
고강훈(K.H.Ko),라병훈(B.H.Ra),권순걸(S.K.Kwon),구헌희(H.H.Gu),이현우(H.W.Lee) 전력전자학회 1998 전력전자학술대회 논문집 Vol.- No.-
This paper is presented the Partial Resonant Soft Switching Mode Power Converter which is adapted the power converter having the partial resonant soft switching mode, that makes switches operate when the resonant current or voltage becomes zero by making the resonant circuit partially at turing on and off of the switches with suitable layout of the resonant elements and switch elements in the converter. Also, this paper includes the analysis and simulation of the Partial Resonant type Buck-Boost Chopper.<br/>