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Inverter Output Voltage Control of Three-Phase UPS Systems Using Feedback Linearization

Dong-Eok Kim, Dong-Choon Lee
2007 IECON 2007 - 33rd Annual Conference of the IEEE Industrial Electronics Society  
In this paper, an improved nonlinear control strategy of the inverter output voltage for the three-phase UPS systems is proposed.  ...  Then input-output feedback linearization is applied to the nonlinear model, which can be linearized. The controller of the linearized model can be designed easily by linear control theory.  ...  MODELING OF UPS INVERTERS Expressing the voltage and current vectors of LC filters in three-phase UPS systems as shown in Taking transformation of (1) and (2) into a synchronous 'dq' reference frame,  ... 
doi:10.1109/iecon.2007.4460278 fatcat:vindtygvdbfizaqtikpz3vhme4

Advanced Control of Three-Phase Four-Wire Inverters using Feedback Linearization under Unbalanced and Nonlinear Load Conditions
불평형 비선형 부하시 궤환선형화 기법을 이용한 3상 4선식 인버터의 제어 성능 개선

Nguyen Qui Tu Vo, Dong-Choon Lee
2013 The Transactions of the Korean Institute of Power Electronics  
In this paper, a feedback linearization control is proposed to regulate the output voltages of a three-phase four-wire inverter under the unbalanced and nonlinear load conditions.  ...  The tracking controllers for d-q-0-components of three-phase line-to-neutral load voltages are designed by linear control theory.  ...  This paper proposes a novel control scheme of three-phase split-capacitor inverters using feedback linearization in the case of unbalanced linear/nonlinear loads.  ... 
doi:10.6113/tkpe.2013.18.4.333 fatcat:nfzj5dg2lrbmroc4c6ywqstwgm

Digital Control Of A Three-phase Ups

Cláudio Henrique Fortes Félix, Paulo Fernando Seixas, Porfírio Cabalero Cortizo
2007 Eletrônica de Potência  
This paper presents a design methodology for the digital controllers of a three-phase UPS (Uninterruptible Power Supply).  ...  In order to attest the efficiency of the adopted control scheme, experimental tests were carried out on a 4kVA three-phase on-line UPS, resulting in unity power factor operation of the controlled rectifier  ...  INVERTER MODEL AND CONTROLLER DESIGN The UPS output inverter is a three-phase half-bridge with output LC filters, as shown in Figure 6 . Fig. 6 . Three-phase output inverter schematic diagram.  ... 
doi:10.18618/rep.2007.3.189196 fatcat:xab65546jffcvluxtpqfvotzxq

Position control of linear switched reluctance motors for high-precision applications

Wai-Chuen Gan, N.C. Cheung, Li Qiu
2003 IEEE transactions on industry applications  
This paper presents the application of linear switched reluctance motors (LSRMs) to precision position control.  ...  two current feedback sensors only, the motor to be controlled and a position feedback encoder.  ...  Then with a proper reconfiguration of the three-phase motor windings and the insertion of three diodes, the LSRM can be driven by a standard three-phase bridge inverter with two current feedback sensors  ... 
doi:10.1109/tia.2003.816502 fatcat:7vdve4ch7nfnfbfgopbaen62ey

Output Voltage Control of A Four-Leg Inverter Based Three-Phase UPS by Means of Stationary Frame Resonant Filter Banks

Eyyup Demirkutlu, Suleyman Cetinkaya, Ahmet M. Hava
2007 2007 IEEE International Electric Machines & Drives Conference  
Name, Last name : Eyyup Demirkutlu Signature : iv ABSTRACT OUTPUT VOLTAGE CONTROL , 258 pages A method for high performance output voltage control of a four-leg inverter based three-phase transformerless  ...  Linear and nonlinear loads for balanced and unbalanced load operating conditions are considered. The steadystate and dynamic performance of the UPS are investigated in detail.  ...  There are three popular three-phase inverter topologies employed in state of the art UPS systems.  ... 
doi:10.1109/iemdc.2007.382785 fatcat:lfclr7hllfhnnkmtckkbx46dtm

Nonlinear Control Techniques in Uninterruptible Power Supply Inverter: A Review

Ghazanfar Shahgholian, Jawad Faiz, Pegah Shafaghi
2009 2009 Second International Conference on Computer and Electrical Engineering  
In this paper a comprehensive review of the nonlinear control techniques of UPS systems with advantages and disadvantages are carried out.  ...  Summarizes the basic objectives of controllers for UPS system are tracking ability and robustness. To get this aims, many controllers have been proposed in the literature.  ...  CLASSIFICATION CONTROL TECHNIQUES Based on aim of control system, different feedback control schemes for UPS inverters are classified. A.  ... 
doi:10.1109/iccee.2009.99 fatcat:vh52ees46jglxcmf65w4ut3jai

High-Performance Control of Three-Phase Four-Wire DVR Systems using Feedback Linearization

Seon-Yeong Jeong, Thanh Hai Nguyen, Quoc Anh Le, Dong-Choon Lee
2016 Journal of Power Electronics (JPE)  
Through feedback linearization, a nonlinear model of a DVR with a PWM voltage-source inverter (VSI) and LC filters is linearized.  ...  This paper deals with a nonlinear control for the three-phase four-wire (3P-4W) DVR under a grid voltage unbalance and nonlinear loads in the distribution system, where a novel control scheme based on  ...  Proposed Feedback Linearization Control Technique for Three-Phase Four-Wire DVR Systems In order to apply feedback linearization for the DVR inverter, equations ( 1 ) to (6) are rewritten in the form  ... 
doi:10.6113/jpe.2016.16.1.351 fatcat:zirk5h6plrc7pduh2hot4elfoy

Investigation of Symmetrical Optimum PI Controller based on Plant and Feedback Linearization in Grid-Tie Inverter Systems

2017 International Journal of Renewable Energy Research  
Up to now, conventional proportional-integral (PI) controllers are the most common DC-bus voltage regulation strategy used in grid-tie inverter systems.  ...  , namely: plant linearization and feedback linearization technique.  ...  Block diagram of the DC bus voltage control system based on feedback linearization Fig. 6 . 6 Fig.6.  ... 
doi:10.20508/ijrer.v7i3.5984.g7188 fatcat:geclo4etujaxxlpdevgge3aebe

Contactless and replaceable modularized battery energy storage system for electric vehicles

Karthik Kandasamy, D.M. Vilathgamuwa, U.K. Madawala, Robert Kuhn
2013 IECON 2013 - 39th Annual Conference of the IEEE Industrial Electronics Society  
A non-linear feedback linearization based controller is developed and implemented to regulate the DC link voltage by modulating the phase shift ratio.  ...  The working and control of the proposed system is verified through simulation and some preliminary results are presented.  ...  By input-output linearization theory, a state feedback control law u(X) has to be obtained which makes the input-output map of the non-linear system to a linear map: .  ... 
doi:10.1109/iecon.2013.6699876 dblp:conf/iecon/KandasamyVMK13 fatcat:tr4hxtngnrbltlklov3tlq23ym

Simulation of SPWM Control Method for UPS System

Adlin Jeyarani.A, Akila Saranya. L, Mohan .D, Venugopal .R, Manigandan.S Manigandan.S
2014 International Journal of Computer Applications  
This paper deals with the analysis of implementing Sinusoidal Pulse Width Modulation (SPWM) controlling strategy in three phase Uninterruptible Power Supply (UPS) system operating under highly nonlinear  ...  The conventional type of controller is not enough to reduce harmonics in the system under highly nonlinear load in high power system.  ...  SIMULATION The simulation circuit is consists of three phase source, controlled rectifier, inverter, SPWM controller, filter, multilevel inner loop controller [9] , [10] , [11] and three phase nonlinear  ... 
doi:10.5120/15731-4636 fatcat:a7yv6yi7pnbdxpcffy5zugkrce

Swing-up control of inverted pendulum systems

Alan Bradshaw, Jindi Shao
1996 Robotica (Cambridge. Print)  
In Part II the technique is extended to the case of the swing-up control of double inverted pendulum systems. Use is made of a novel selective partial-state feedback control law.  ...  In Part I a technique for the swing-up control of single inverted pendulum system is presented.  ...  As these systems are nonlinear, open-loop unstable, nonminimum-phase. and interactive, it is impossible to achieve swing-up control by using a linear full-state feedback control law.  ... 
doi:10.1017/s0263574700019792 fatcat:nb3btdzhcjci3dqzsblfwy2tja

Implementation of discrete event control for brushless AC motor

R. Horvat, K. Jezernik
2011 IET Power Electronics  
Hybrid control is a general approach for control of switching-based hybrid systems (HS).  ...  This class of HS includes a continuous process, controlled by a discrete controller with a finite number of states. The overall stability of the system is shown with the use of Lyapunov technique.  ...  Hybrid system focus Historically, the most common class of control architectures has been based on linear feedback.  ... 
doi:10.1049/iet-pel.2010.0275 fatcat:74y2rauftbfdpk3a3kfzichaae

Multiple-Loop Digital Control Method for a 400-Hz Inverter System Based on Phase Feedback

Chen Li, Shi-ming Ji, Da-peng Tan
2013 IEEE transactions on power electronics  
Index Terms-Medium frequency, multiple-loop control, phase feedback, three-phase combined inverter, unipolar SPWM.  ...  A three-phase combined inverter system based on a multiple-loop control strategy is constructed, and experimental results show that the inverter system can make a phase difference between each phase less  ...  In 1996, Abdel-Rahim designed a multiple feedback loop control scheme for single-phase voltage-source UPS inverters with an L-C filter, and the experimental verification of a laboratory model of the UPS  ... 
doi:10.1109/tpel.2012.2188043 fatcat:uigue7ntqbandavs3yr4m6mjbu

Neural-network-controlled single-phase UPS inverters with improved transient response and adaptability to various loads

Xiao Sun, Dehong Xu, F.H.F. Leung, Yousheng Wang, Yim-Shu Lee
1999 Proceedings of the IEEE 1999 International Conference on Power Electronics and Drive Systems. PEDS'99 (Cat. No.99TH8475)  
One is a multiple-feedback-loop controller for linear loads, and the other is an idealized load-current-feedback controller specially designed for nonlinear loads.  ...  When the training is completed, the neural network is used to control the UPS inverter on-line.  ...  1999IEEE Fig. 1 . 1 Single-phase UPS inverter system A UPS inverter typically consists of a DC power source, a full-bridge (or half bridge) PWM inverter and an LC filter, as shown in .Fig. 2 . 2 .  ... 
doi:10.1109/peds.1999.792820 fatcat:v4aonf6ljvf6llvkqmjzjrdwxy

Grid-tie three-phase inverter with active power injection and reactive power compensation

Leonardo P. Sampaio, Moacyr A.G. de Brito, Guilherme de A. e Melo, Carlos A. Canesin
2016 Renewable Energy  
The linearized models used in the control design are obtained by means of feedback linearization, aiming to reduce system nonlinearities, improve the controller's performance and mitigate potential disturbances  ...  This paper proposes a methodology for the active and reactive power flow control, applied to a grid-tie three-phase power inverter, considering local and/or regionalized power flow control necessity in  ...  Three-phase inverter The three-phase inverter control is performed by a multi-loop control based on power, voltage and current control loops, where all compensators are determined using feedback linearization  ... 
doi:10.1016/j.renene.2015.07.034 fatcat:gbxwdfpvcvam3bsjokm5ycnjqi
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