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The Research of Control Strategy of Buck-Boost Inverter

Author: LiJingLong
Tutor: WangYunLiang
School: Tianjin University of Technology
Course: Control Theory and Control Engineering
Keywords: Buck-Boost Bidirectional transfer of energy control PSPICE simulation THD
CLC: TM464
Type: Master's thesis
Year: 2008
Downloads: 330
Quote: 1
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Abstract


This paper describes a Buck-Boost inverter , it is through the two sets of identical Buck-Boost circuit reverse series can achieve orthogonal transform . Analysis and learning different inverter control strategy . Buck-Boost inverter , the traditional PID control strategy with two-way energy transfer control strategy . Energy transfer of the control strategy as a new control strategy , the output voltage tracking a given voltage changes , regarded as the energy changes in the size , precise control of the energy transfer process , accurate orthogonal transform calculated as so that the load -side trace given the energy needed to control the switching operation based on this energy value , much precise control DC input side of the AC output side of two - way transfer of energy , and thereby achieve the performance requirements of the inverter . Buck-Boost inverter control strategy can realize buck-boost AC sinusoidal voltage output harmonic output without additional filtering circuit case , at the same time in case of power quality assurance switching frequency minimize , reduce the switching losses . Buck-Boost inverter main circuit will design and simulation of circuit structures , PID control system and control system bidirectional energy transfer control strategy design , on this basis , to complete the simulation and experimental results for analysis. Through the comparison of different control strategies , the bi - directional energy transfer to the correctness and the advantages of the control strategy .

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CLC: > Industrial Technology > Electrotechnical > Transformers, converters and reactors > Converter > Inverter
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