3-phases switching power converter

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3-phases switching power converter
1. INTRODUCTION…………………………………………………………………..1
2. DESCRIPTION AND MODEL OF 3~PHASE SWITCHING POWER
CONVERTERS………………………………………………………………………4
2.1 Introduction……………………………….…………………………………4
2.2 Definition of Control Vector (Switching Vector) U And Permissible
Control Vectors……………………………………………………………..6
2.3 Mathematical Model of 3~Phase Switching Power Converters…………….8
2.3.1 Boost Rectifier Description in Phase (abc) Frame………………..8
2.3.2 Buck Inverter Description in Phase (abc) Frame ………...………9
2.3.3 Buck Rectifier Description in Phase (abc) Frame……………….10
2.3.4 Boost Inverter Description in Phase (abc) Frame……………….11
2.3.5 Synchronously Rotating Frames of References (dq) Frame…….12
2.3.6 Boost Rectifier Description in Synchronously Rotating (dq)
Frame.………………………………………………….………..14
2.3.7 Buck Inverter Description in Synchronously Rotating (dq)
Frame……………………………………………………………15
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2.3.8 Buck Rectifier Description in Synchronously Rotating (dq)
Frame…………………………………………………………….15
2.3.9 Boost Inverter Description in Synchronously Rotating (dq)
Frame…………………………………………………………….16
2.3.10 General Description of 3~Phase Power Converters in
Synchronously Rotating (dq) Frame.…………………………..16
3. CONTROL OF 3~PHASE SWITCHING POWER CONVERTERS…….……18
3.1 Sliding Mode Control of Switching Power Converters……………………18
3.2 Relay Control Approach Vector Selection…………….…………………..20
3.3 Description of the THD Minimization Algorithm…………………………23
3.3.1 Selection of the First Vector…………………………….……….27
3.3.2 Selection of the Second Vector………………………….………28
3.3.3 Selection of Timing………………………………………..…….29
3.3.4 Obtaining Equivalent Control…………………………….……..30
3.3.5 Getting Use of Zero Vectors…………………………………….30
4. SIMULATION RESULTS…………………..…………………………………….32
4.1 Boost Rectifier Simulation………………………………………………...32
4.1.1 Simulation for Current Control with THD Minimization
Algorithm for Boost Rectifier……………………………………33
4.1.2 Simulation for Current Control with Relay Controller……….….38
4.1.3 Comparison of Relay Control Algorithm and THD
Minimization Algorithm on Boost Rectifier………………….….43
4.1.4 Voltage Control Design………………………………………….44
4.1.5 Simulation of THD Minimization Algorithm Combined
with Voltage Controller …………………………………..……..48
4.2 Buck Inverter Simulation………………………………………………….52
4.2.1 Simulation for Current Control with THD Minimization
Algorithm for Buck Inverter…………………………………….53
4.2.2 Simulation for Current Control with Relay Controller………….55
4.2.3 Comparison of Relay Control Algorithm and THD
Minimization Algorithm on Buck Inverter.……………………..59
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5. CONCLUSIONS…………...………………………………………………………

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Minimisation of instantaneous total harmonic distortion of currents for three-phase switching power converters
Submitted to the Graduate School of Engineering and Natural Sciences in partial fulfillment of the requirements for the degree of Master of Science
Sabanci University
Spring 2002

solstice

thank you very much

efong

thanks!

ayamitek

回复 1# kevinwjs


    thanks for sharing