NDLI: Modelling and control of VIENNA rectifier a single phase approach

Content Provider	IET Digital Library
Author	Thangavelu, Thandapani Shanmugam, Paramasivam Raj, Karpagam
Abstract	Input harmonic and power factor (PF) regulations necessitate the use of front end active PF correction (APFC) circuit for power electronic converters. In recent times, the VIENNA rectifier has become a popular choice for three-phase APFC applications. The converter is a fifth-order system and results in a highly complex model. This calls for a complex control design procedure and involves enormous computation requiring the use of a high end digital signal processor (DSP). This can be simplified if the order of system is reduced. In this study, it is proposed to decouple and analyse the converter as three independent single phase units operating in parallel with current mode control, thereby reducing the order to two, simplifying the analysis and control design. The transfer function of the proposed small-signal model is derived and its Bode plot is drawn. A high bandwidth inner average current controller and a low bandwidth outer voltage controller are designed to obtain a 60° phase margin. With the proposed design, a 10 kW prototype VIENNA rectifier is developed with a low cost analogue integrated circuit (IC) and validated. The results obtained prove the accuracy of the proposed model and effectiveness of the control. Single phase operation is also made feasible with the proposed technique.
Starting Page	2471
Ending Page	2482
Page Count	12
ISSN	17554535
Volume Number	8
e-ISSN	17554543
Issue Number	Issue 12, Dec (2015)
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/iet-pel/8/12
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/10.1049/iet-pel.2014.0503
Journal	IET Power Electronics
Publisher Date	2015-12-01
Access Restriction	Open
Rights Holder	© The Institution of Engineering and Technology
Subject Keyword	Active PF Correction Bode Plot Complex Control Design Procedure Control of Electric Power System Control System Analysis Control System Synthesis Current Control Current Controller Current Mode Control DSP Electric Current Control Harmonics Inverter Load Invertors Offline Converter Application PF Input Current Harmonics Phase Margin Power Factor Correction Power Factor Regulation Power Harmonic Filter Power Supply Quality Rectifying Circuit Resistive Load Single Phase Approach Small-signal Model Synthesis Method Three Phase APFC Application Transfer Function Transient Response VIENNA Rectifier Voltage Control Voltage Controller Design
Content Type	Text
Resource Type	Article
Subject	Electrical and Electronic Engineering

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