Development Of A High Efficient Power Converter Using Partial Power Processing – Thesis Example

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DEVELOPMENT OF A HIGH EFFICIENT POWER CONVERTER USING PARTIAL POWER PROCESSINGA case study of Development Of A High Efficient Power Converter Using Partial Power Processing TABLE OF CONTENTSABSTRACTChapter # 1.INTRODUCTIONChapter # 2. BACKGROUNDChapter # 3.DESIGNChapter # 4.ANALYSISChapter # 5.CONCLUSIONREFERENCING: BIBLIOGRAPHYDevelopment Of A High Efficient Power Converter Using Partial Power ProcessingABSTRACTAccording to the expert analysis while the late 1950's, power electronics has been developing by leaps and bounds without diffusion to become the key expertise necessary to contemporary society and human life as well as to electrical engineering. This research mostly spotlight on the state-of-the-art of power electronics technology and its average to high-power applications since the author cannot survey the entire range of power electronics ranging from a 5-W switching regulator to a 2.8-GW high-voltage dc broadcast system now under building in Japan.

This research also nearby prospects and instructions of power electronics in the 21st century, counting the personal views and prospect of the author (S. Al-Dhalaan, 2002, pp. 1164-1173). The operating principles, theoretical analysis, and design methodology of a highef ficiency step-up converter are presented. The integrated boost-flyback converter (IBFC) uses coupled-inductor techniques to achieve high step-up voltage with low duty ratio, and thus the slope compensation circuit is disregarded.

The voltage gain and efficiency at steady state are derived using the principles of inductor volt–second balance, capacitor charge balance and the small-ripple approximation for continuous-conduction mode. Finally, a 35W, 12 V DC input, 48 V DC output, fsw=40 kHz IBFC has been implemented in the laboratory to validate the theoretical analysis. A design procedure is expounded, and design guidelines for selecting critical components are also presented. It is shown that high voltage gain with high efficiency can be achieved by the IBFC system. No doubt a test console is clarify for process of together high power Hall-effect thrusters (HETs) and ion thrusters.

The console makes use of three-phase booming DC conversion power modules. If we analyzed then we come to know that it is supposed that three phase resonant conversion (3PRC) of electrical power is preferably suited for EP power systems, and will soon turn out to be the premier converter for flight applications (J. M. Alonso, C., 2002 , pp.

573-585). These converters create the lowest voltage ripple in excess of any known topology. Moreover, they process power incessantly and not in pulses as do their single phase precursor. The nonattendance of power pulses very much reduces the size and mass of filter mechanism in the three phase converter, and the even power transfer has helped it attain peak competence ratings of > 97%. Three phase booming power converters are also broad range contrast to competing designs (A. Ammous, 2002 , pp. 12-25). For instance first-order CPE designs have display efficiencies of 97% or senior at occupied power over an output impedance range of 4:1.

Lately urbanized second-order CPE designs have attain a production impedance variety of 25:1 at efficiencies over 96%. A comparison of 3PRC to square-wave and single-phase booming conversion is obtainable (B. Arntzen, 2002 , pp. 892-902). A preliminary contrast is also offered of flash x-ray survivability of typical “current-fed” and 3PRC designs where x-ray pulse period effects are careful. A further benefit of 3PRC modules in excess of other power conversion hardware is their low precise mass.

Assistant to high competence and low specific mass is the additional advantage of moderately easy thermal management with negligible supplies on heat transmission pathways and thermal interfaces. In adding to showing an appraisal of the 3PRC design and latest prototype performance, a thorough argument is offer of the test console design and hardware future for operation of all SEP-based ion and plasma thrusters that are at present obtainable at NASA centers and profitable aerospace companies (G. Arun, W. Shireen, 2002, pp. 308-314). The secondary objective of the test console attempt is the growth of a modular control system that can be interfaced to any number of 3PRC power modules in a plug and play fashion.

The complete adaptability of the 3PRC design can be practical in this approach to (1) exploit circuit design re-use (enabled by the 3PRC wide range capability), (2) minimize system mass (due to low 3PRC exact mass and light thermal interface supplies), and (3) preserve world-class performance. The 3PRC test console growth explain herein is proposed to provide as a guide to the growth of consistent architecture sub-systems proposed for off-the-shelf flight hardware solutions to prospect EP applications (C.

Attaianese, 2002, pp. 1112-1121).

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