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Research of Space Vector PWM Control in Three-level Invertor

Author: WangYuHan
Tutor: WangYuMei
School: Henan Polytechnic University
Course: Electrical Engineering
Keywords: Three - level inverter Of SVPWM Control ( SVPWM ) Algorithm simulation
CLC: TM464
Type: Master's thesis
Year: 2011
Downloads: 182
Quote: 0
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Abstract


With the development of power electronics technology , the rise of DC transmission , reactive power compensation , active power filter technology in the power system , high-voltage power frequency control system of a large number of applications as well as around the world in environmental technology , spurred more to look into the inverter technology . And thus how to meet the needs of modern industry , to solve many problems existing in the conventional inverter technology become the objective of the study . Currently, multi-level inverter for its harmonic content , devices that require low , high output power factor and low cost advantage has been more widely used in high-power converter . This article first compares the multi-level between the various topologies features and advantages of diode clamp topology inverter main body . Then, it expounds the diode clamped three -level inverter working status of the conversion process , while the space voltage vector in principle the introduction of the three - level structure , summed up the three-level structure of the space vector distribution . Focuses on the three-level space vector inverter switching voltage vector relationship , both linked to further study the space vector control switch vector position , vector duration of action of its allocation to complete a three- level space vector control method . The The and use Matlab7.0/Simulink design model of the inverter system , the space voltage vector control algorithm simulation to verify the correctness of the method of theoretical analysis . TMS320LF2407A digital processor core , three - level inverter control system based on SVPWM control the hardware design , analysis and design of the drive circuit , the relay delay protection circuit , the bus voltage detection circuit , the output current detection circuit the working principle and design, and the experiment of the system to obtain a more satisfactory result .

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