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Relevant bibliographies by topics / UNITY POWER FACTOR CONTROL

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Academic literature on the topic 'UNITY POWER FACTOR CONTROL'

Author: Grafiati

Published: 11 September 2023

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Journal articles on the topic "UNITY POWER FACTOR CONTROL"

1

Jezernik, K. "VSS control of unity power factor." IEEE Transactions on Industrial Electronics 46, no. 2 (April 1999): 325–32. http://dx.doi.org/10.1109/41.753771.

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., Imran syed. "UNITY POWER FACTOR CONTROL BY PWM RECTIFIER." International Journal of Research in Engineering and Technology 02, no. 10 (October 25, 2013): 61–65. http://dx.doi.org/10.15623/ijret.2013.0210008.

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Sun, Wei, Kui Hua Wu, Bo Yang, Rong Liang, Jian Wang, and Fei Wang. "Design Research of Unit Power Factor Power Converter." Advanced Materials Research 986-987 (July 2014): 1809–12. http://dx.doi.org/10.4028/www.scientific.net/amr.986-987.1809.

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In view of the problems that traditional direct current control calculation is complex, that sensor precision requirements are high. This paper proposes a new control method of unit power factor power converter, which is easy to realize with simple control structure dispense with current sensor. Through the simulation and experimental verification, the control strategy can achieve unity power factor control, and the harmonic content is small and the operation is stable.

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Dr.S.N.Dhurvey, Sagar Sakhare, Shubham Wase, and Nikhil Manawar. "Active Power Factor Correction." international journal of engineering technology and management sciences 7, no. 3 (2023): 510–15. http://dx.doi.org/10.46647/ijetms.2023.v07i03.72.

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Lower in Power Factor of electrical equipment's will draws high current from supply power. The effect of this is affected by impedance of electrical equipment. Power factor correction of boost converter is done by using predictive control strategy. In this project predictive control algorithm is presented based on this algorithm all of the duty cycles required to achieve unity power factor in one half line period are calculated in advance by proportional Integral (PI) controller, the simulation results show that the proposed predictive strategy for PFC achieves near unity power factor. The power factor and input current distortion are analyzed using with control and without control techniques. Simulation results are shows that the power factor is higher than 0.99, and current total harmonics distortion (THD) is smaller than 20% under full load condition. In this project is how impedance of electrical equipment affects the power factor of electrical loads, and then distributed power as the whole. This project is important to verify the right action to increase low power factor effectively for electrical energy efficiency concern.

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Wu, C. C., and C. M. Young. "Simplified control technique for unity-power-factor boost pre-regulator." Electronics Letters 37, no. 17 (2001): 1063. http://dx.doi.org/10.1049/el:20010721.

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Korelič, Jože, and Karel Jezernik. "Predictive variable‐structure system control of unity power factor rectifiers." IET Power Electronics 6, no. 8 (September 2013): 1608–17. http://dx.doi.org/10.1049/iet-pel.2012.0277.

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7

Varun, Ch. "Microcontroller based Automatic Power Factor Correction for Industrial Power use to Minimize Penalty." International Journal for Research in Applied Science and Engineering Technology 9, no. VII (July 30, 2021): 2593–97. http://dx.doi.org/10.22214/ijraset.2021.36903.

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In this proposed system, two zero crossing detectors are used for detecting zero crossing of voltage and current. The project is meant to attenuate penalty for industrial units using automatic power factor correction unit. The microcontroller utilized during this project belongs to 8051 family. The interruption between the zero-voltage pulse and zero-current pulse is duly generated by suitable operational amplifier circuits in comparator mode is fed to 2 interrupt pins of a microcontroller. The program takes over to actuate appropriate number of relays from its output to bring shunt capacitors into load circuit to urge the facility factor till it reaches near unity. The capacitor bank and relays are interfaced to the microcontroller employing a relay driver. It displays delay between this and voltage on an LCD. Furthermore, the project is enhanced by using thyristor control switches rather than relay control to avoid contact pitting often encountered by switching of capacitors because of high in rush current.

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8

Chan, Tze-Fun. "Unity Power-Factor Controller for a Synchronous Motor." IEEE Transactions on Industrial Electronics IE-34, no. 3 (August 1987): 325–30. http://dx.doi.org/10.1109/tie.1987.350980.

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9

López, O., L. Garcia de Vicuña, and M. Castilla. "Simple, low-cost control of unity-power-factor boost pre-regulator." Electronics Letters 37, no. 8 (2001): 473. http://dx.doi.org/10.1049/el:20010359.

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Maswood, A. I., and F. Liu. "A Unity Power Factor Front-End Rectifier With Hysteresis Current Control." IEEE Transactions on Energy Conversion 21, no. 1 (March 2006): 69–76. http://dx.doi.org/10.1109/tec.2005.853722.

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Dissertations / Theses on the topic "UNITY POWER FACTOR CONTROL"

1

Tooth, Daniel John. "The behaviour and analysis of a three-phase AC-DC step-down unity power factor converter." Thesis, Heriot-Watt University, 1999. http://hdl.handle.net/10399/594.

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Elmes, John. "MAXIMUM ENERGY HARVESTING CONTROL FOROSCILLATING ENERGY HARVESTING SYSTEMS." Master's thesis, University of Central Florida, 2007. http://digital.library.ucf.edu/cdm/ref/collection/ETD/id/3400.

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This thesis presents an optimal method of designing and controlling an oscillating energy harvesting system. Many new and emerging energy harvesting systems, such as the energy harvesting backpack and ocean wave energy harvesting, capture energy normally expelled through mechanical interactions. Often the nature of the system indicates slow system time constants and unsteady AC voltages. This paper reveals a method for achieving maximum energy harvesting from such sources with fast determination of the optimal operating condition. An energy harvesting backpack, which captures energy from the interaction between the user and the spring decoupled load, is presented in this paper. The new control strategy, maximum energy harvesting control (MEHC), is developed and applied to the energy harvesting backpack system to evaluate the improvement of the MEHC over the basic maximum power point tracking algorithm.
M.S.E.E.
School of Electrical Engineering and Computer Science
Engineering and Computer Science
Electrical Engineering MSEE

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3

Upadhyay, Abhishek Kumar. "A GENERALIZED CONTROL METHOD FOR CONSTANT SWITCHING FREQUENCY THREE PHASE PWM BOOST RECTIFIER UNDER EXTREME UNBALANCED OPERATION CONDITION." Cleveland State University / OhioLINK, 2015. http://rave.ohiolink.edu/etdc/view?acc_num=csu1449719352.

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Malik, Naveed ur Rehman. "Modelling, Analysis, and Control Aspects of a Rotating Power Electronic Brushless Doubly-Fed Induction Generator." Doctoral thesis, KTH, Elektrisk energiomvandling, 2015. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-174349.

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This thesis deals with the modeling, analysis and control of a novel brushlessgenerator for wind power application. The generator is named as rotatingpower electronic brushless doubly-fed induction machine/generator (RPEBDFIM/G). A great advantage of the RPE-BDFIG is that the slip power recoveryis realized in a brushless manner. This is achieved by introducing an additionalmachine termed as exciter together with the rotating power electronicconverters, which are mounted on the shaft of a DFIG. It is shown that theexciter recovers the slip power in a mechanical manner, and delivers it backto the grid. As a result, slip rings and carbon brushes can be eliminated,increasing the robustness of the system, and reducing the maintenance costsand down-time of the turbine. To begin with, the dynamic model of the RPE-BDFIG is developed andanalyzed. Using the dynamic model, the working principle of the generatoris understood and its operation explained. The analysis is carried out atspeeds, ±20% around the synchronous speed of the generator. Moreover, thedynamics of the generator due to external load-torque disturbances are investigated.Additionally, the steady-state model is also derived and analyzed forthe machine, when operating in motor mode. As a next step, the closed-loop control of the generator is considered indetail. The power and speed control of the two machines of the generator andthe dc-link voltage control is designed using internal model control (IMC)principles. It is found that it is possible to maintain the stability of thegenerator against load-torque disturbances from the turbine and the exciter,at the same time maintain a constant dc-link voltage of the rotor converter.The closed-loop control is also implemented and the operation of the generatorwith the control theory is confirmed through experiments.In the third part of the thesis, the impact of grid faults on the behaviourof the generator is investigated. The operation of the generator and its responseis studied during symmetrical and unsymmetrical faults. An approachto successful ride through of the symmetrical faults is presented, using passiveresistive network (PRN). Moreover, in order to limit the electrical and mechanicaloscillations in the generator during unsymmetrical faults, the dualvector control (DVC) is implemented. It is found that DVC to a certain extentcan be used to safeguard the converter against large oscillations in rotorcurrents. Finally, for completeness of the thesis, a preliminary physical design ofthe rotating power electronic converter has been done in a finite elementsoftware called ANSYS. The thermal footprint and the cooling capability,with estimates of the heatsink and fan sizes, are presented. Besides, another variant of a rotating electronic induction machine whichis based on the Lindmark concept and operating in a single-fed mode is also investigated. It’s steady-state model is developed and verified through experiments.

QC 20151006

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Tunc, Murat. "A Single Transistor Unity Power Factor Rectifier." Master's thesis, METU, 2007. http://etd.lib.metu.edu.tr/upload/12608114/index.pdf.

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This thesis analyzes unity power factor rectifiers since this type of rectifiers use energy as efficient as possible. Throughout the thesis, some unity power factor rectifier topologies are investigated and some of them selected to investigate in detail. Afterwards, a new single transistor unity power factor rectifier topology is proposed, simulated, implemented and compared with one of the selected unity power factor rectifier topology on the basis of efficiency, total harmonic distortion, input current ripple and output voltage ripple.

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Zhou, Zhongfu. "Unity power factor active rectifier and DC bus controller." Thesis, University of Sussex, 2003. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.401482.

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A Unity Power Factor Active Rectifier and DC Bus Control system is described in this thesis. The aim of an active rectifier controller is to draw sinusoidal input current with unity power factor, and to provide fast response to DC load disturbance, whilst maintaining the DC link voltage as constant as possible. To achieve this aim, a current control structure based on voltage vector modulation has been developed using both stationary and synchronous reference frames. To improve response speed and stability, reduce transient overshoot, and overcome the drawback caused by the inherent dead time delay in the digital control loop, a Smith Predictor is introduced into the control loop to compensate for the dead time delay. To speed up the response to DC link current disturbance, the control structure incorporates DC bus voltage feedback regulation plus DC link feed-forward current control. For mains supply synchronization, a software digital Phase Locked Loop (PLL) is used, designed for low sensitivity to supply voltage noise. To further improve performance, a double update pulse width modulation (PWM) mode is utilised. To implement feed-forward current control without the need for multiple DC link current sensors and associated communication channels in applications where the common DC bus system feeds multiple variable speed drives, a robust minimum order DC link current observer has been designed to provide the required feed-forward current signal. To investigate the performance of the active rectifier controller, a simulation program based on VissimTM has been developed and simulations carried out for both 20A and 500A step change load currents. An experimental system has been built using a ADMC401 digital signal processor as the control core, and experiments conducted using different control schemes. Both simulation and experimental results show the validity of the control model

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Mitwalli, Ahmed Hamdi. "A digital controller for a unity power factor converter." Thesis, Massachusetts Institute of Technology, 1993. http://hdl.handle.net/1721.1/67135.

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Thesis (M.S.)--Massachusetts Institute of Technology, Dept. of Electrical Engineering and Computer Science, 1993.
Includes bibliographical references (leaves 153-154).
by Ahmed Mitwalli.
M.S.

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Sazak, Bekir Sami. "A new unity power factor quasi-resonant induction heater." Thesis, University of South Wales, 1997. https://pure.southwales.ac.uk/en/studentthesis/a-new-unity-power-factor-quasiresonant-induction-heater(f2b62fc5-7178-47c3-9da4-4a96b91ea45a).html.

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This thesis reports an investigation into the design of converters for induction heating systems based upon resonant switch mode power converter techniques. The proposed three phase unity power factor induction heating system consists of two stages of power conversions. The important requirements for each stage of the power conversion of a typical induction heating system working from a three-phase supply are identified. A wide range of power converters which fulfil these requirements are compared and evaluated. From the evaluation, the most applicable converter topologies are selected. Each selected converter class is investigated in great detail to outline their advantages and disadvantages. The first stage consists of a push-pull buck converter connected to a unity power factor rectifier stage. This stage converts the three phase AC mains supply to a required DC value. The second stage, which converters the DC into AC is a single ended resonant inverter system. Analysis of the converters has been made and the design procedure has been formulated. The design procedure allows a strenuous design of each resonant converter for particular converter applications. The final converter design has been simulated using the circuit simulation software packages Design Architect and Accusim to verify the results of analysis. The most important design and construction achievements can be summarised as follows: I A novel push-pull buck quasi-resonant converter with a three-phase rectifier stage has been built and tested. At its maximum operating frequency of 40kHz, the prototype converter delivers an output power of 500W. The converter draws nearly sinusoidal currents from the three-phase mains supply and has an input power factor approaching unity. A secondary stage resonant converter provides AC for the induction heater coil. This AC current flowing in the induction coil creates an alternating electromagnetic field for the workpiece. An induction heating coil has been designed and built by using electrical equivalent coil design method. A novel control strategy was developed to provide output power control. Both converter and inverter stage of the system are operated in the zero-current switching condition. The use of this technique allows higher switching frequencies and provides low switching losses. The full design details are presented along with simulation and practical results. The simulation and practical performance results presented show good correlation with theoretical predictions.

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9

Douglas, Hugh. "A single three phase variable speed drive with unity power factor." Master's thesis, University of Cape Town, 2000. http://hdl.handle.net/11427/5274.

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Bibliography: leaf 86.
The new proposed topology for a single three-phase variable speed drive was developed after considering the advantages and disadvantages of previous topologies. The new topology employs only six switches that form and active front-end rectifier and a four-switch inverter. The active front-end rectifier is the first leg of the three-phase bridge. It not only rectifies the voltage source but it also regulates one of the phases for the motor. The four-switch inverter produces the variable frequency. Excessive distortion currents drawn by a converter can cause voltage distortions. For this reason the converter should draw a high quality sinusoidal current from the supply. Excessive currents drawn from the supply are also the result of poor power factors. The converter should therefore operate at close to unit power factor. N Mohan, T Underland, W.P Robins [3].

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Eissa, Mohamed O. (Mohamed Omer). "A fast analog controller for a unity power factor AC/DC converter." Thesis, Massachusetts Institute of Technology, 1993. http://hdl.handle.net/1721.1/106709.

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Thesis (M.S.)--Massachusetts Institute of Technology, Dept. of Electrical Engineering and Computer Science, 1993.
Includes bibliographical references (leaves 108-109).
by Mohamed O. Eissa.
M.S.

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Books on the topic "UNITY POWER FACTOR CONTROL"

1

Zhang, Bin. Analysis of unity power factor single-phase systems. Birmingham: University of Birmingham, 1993.

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Institution of Mechanical Engineers (Great Britain). Power Industries Division., ed. Quality management in the nuclear industry: The human factor : proceedings of the Institution of Mechanical Engineers, international conference 17-18 October 1990, Institution of Mechanical Engineers, Bridcage Walk London. [Great Britain]: Published for the Institution of Mechanical Engineers by Mechanical Engineering Publications, 1990.

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Sanjay, Garg, and United States. National Aeronautics and Space Administration., eds. An optimized integrator windup protection technique applied to a turbofan engine control. [Washington, D.C.]: National Aeronautics and Space Administration, 1995.

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Office, General Accounting. Air pollution: Emissions from older electricity generating units : report to congressional committees. Washington, D.C. (P.O. Box 37050, Washington 20013): U.S. General Accounting Office, 2002.

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Vaez-Zadeh, Sadegh. Vector Control. Oxford University Press, 2018. http://dx.doi.org/10.1093/oso/9780198742968.003.0003.

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The chapter begins with a description of the scalar control of PMS motors. The fundamentals of PMS motor vector control (VC) are then presented with an eye on the analogy with DC motor operating principles. The VC of surface-mounted permanent magnet pole motors and interior permanent magnet (IPM) motors are presented in various reference frames. Current and voltage operating limits are incorporated into the control systems. Flux control modes of operation of PMS motors together with the corresponding control means in different reference frames are also presented in detail, as a particular feature of this book. These include maximum torque per ampere (MTPA) control, maximum torque per voltage control, and unity power factor control. Finally, loss minimization control by offline and online strategies is elaborated after presenting the method of motors loss reduction and the PMS motor loss modeling.

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Vaez-Zadeh, Sadegh. Direct Torque Control. Oxford University Press, 2018. http://dx.doi.org/10.1093/oso/9780198742968.003.0004.

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The fundamental principles of direct torque control (DTC) of permanent magnet synchronous (PMS) motors are presented in this chapter. The basic DTC system is then described. The operating limits of PMS machines under DTC are presented in terms of current limit, voltage limit, and flux linkage limit. Also, flux linkage control, including maximum torque per ampere (MTPA), unity power factor, and flux weakening at high speed, is derived. Then, alternative DTC schemes, including different SVM-DTC schemes, are presented. In line with the increasing energy-saving tendency in industrial applications, major emphasis is placed on the loss minimization of DTC. Finally, a comprehensive comparison was made between the basic DTC and vector control, emphasizing the pros and cons of DTC with respect to vector control.

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Zhou, Zhongfu. Unity power factor active rectifier and DC bus controller. 2004.

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Sazak, Bekir Sami. A new unity power factor quasi-resonant induction heater. 1997.

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9

Elmenzo, Marlene. HV9931 Unity Power Factor LED Lamp Driver Data Sheet. Microchip Technology Incorporated, 2020.

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10

Castilla, Miguel. Control Circuits in Power Electronics: Practical Issues in Design and Implementation. Institution of Engineering & Technology, 2016.

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Book chapters on the topic "UNITY POWER FACTOR CONTROL"

1

Hu, Qiang, and Yue Ma. "Unit Power Factor Control Considering Error of Position in Sensorless Permanent Magnet Synchronous Machine." In Lecture Notes in Electrical Engineering, 445–53. Singapore: Springer Nature Singapore, 2022. http://dx.doi.org/10.1007/978-981-19-6226-4_45.

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Tahiri, Fatima-Ezzahra, Khalid Chikh, Mohamed Khafallah, and Aziz El Afia. "Design and Implementation of Different Control Strategies of Unit Power Factor Three-Phase PWM Rectifier for Output Voltage Regulation." In Recent Advances in Electrical and Information Technologies for Sustainable Development, 29–38. Cham: Springer International Publishing, 2019. http://dx.doi.org/10.1007/978-3-030-05276-8_4.

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Ooi, Gabriel H. P., and Hossein Dehghani Tafti. "Unidirectional Three-Phase Three-Level Unity-Power Factor Rectifier." In Advanced Multilevel Converters and Applications in Grid Integration, 65–87. Chichester, UK: John Wiley & Sons, Ltd, 2018. http://dx.doi.org/10.1002/9781119476030.ch5.

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Wang, Gaolin, Nannan Zhao, Guoqiang Zhang, and Dianguo Xu. "High Power Factor Control of Grid Input Current." In Reduced DC-link Capacitance AC Motor Drives, 27–52. Singapore: Springer Singapore, 2020. http://dx.doi.org/10.1007/978-981-15-8566-1_2.

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Mishra, Alok Kumar, Akshaya Kumar Patra, Ramachandra Agrawal, Narayan Nahak, Amaresh Gantayet, Jnana Ranjan Swain, and Samarjeet Satapathy. "Power Factor Corrected Cuk Converter with PI and Fuzzy Logic Controller." In Advances in Electrical Control and Signal Systems, 1035–47. Singapore: Springer Singapore, 2020. http://dx.doi.org/10.1007/978-981-15-5262-5_80.

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Mishra, Alok Kumar, Akshaya Kumar Patra, Ramachandra Agrawal, Nabajyoti Swain, Debadutta Dash, Shahil Sharma, and Pranav Mohapatra. "Output Voltage Regulated CUK and SEPIC Converter with High Input Power Factor." In Advances in Electrical Control and Signal Systems, 785–99. Singapore: Springer Singapore, 2020. http://dx.doi.org/10.1007/978-981-15-5262-5_59.

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Jia, Zhengyuan, Chuancai Li, Zhou Fan, and Miaomiao Jiang. "Study on Efficiency of China’s Power Equipment Manufacturing Industry Based on Total Factor Productivity Index." In Future Computing, Communication, Control and Management, 609–14. Berlin, Heidelberg: Springer Berlin Heidelberg, 2012. http://dx.doi.org/10.1007/978-3-642-27326-1_78.

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Bikash, Shaw, Sengupta Anwesha, S. B. Mahajan, Padmanaban Sanjeevikumar, and Shaikh Aamer. "Brushless DC Electric Motor Speed Control and Power Factor Correction Using Single-Ended Primary Inductor Converter." In Advances in Power Systems and Energy Management, 431–38. Singapore: Springer Singapore, 2017. http://dx.doi.org/10.1007/978-981-10-4394-9_43.

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Obichere, Jude K., Milutin Jovanovic, and Sul Ademi. "Power Factor Control Mechanism for Optimum Efficiency in Wind Generators and Industrial Applications." In Transactions on Engineering Technologies, 289–303. Singapore: Springer Singapore, 2017. http://dx.doi.org/10.1007/978-981-10-2717-8_21.

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Majji, Ravi Kumar, Jyoti Prakash Mishra, and Ashish A. Dongre. "Conductance Factor-Based Control of Solar Photo-Voltaic Fed Shunt Active Power Filter." In Lecture Notes in Electrical Engineering, 123–32. Singapore: Springer Nature Singapore, 2023. http://dx.doi.org/10.1007/978-981-99-2283-3_11.

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Conference papers on the topic "UNITY POWER FACTOR CONTROL"

1

Jezernik, Karel. "Power control strategy for unity power factor." In 2010 IEEE International Symposium on Industrial Electronics (ISIE 2010). IEEE, 2010. http://dx.doi.org/10.1109/isie.2010.5636952.

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"Active filtering and unity power factor correction." In 2016 IEEE International Power Electronics and Motion Control Conference (PEMC). IEEE, 2016. http://dx.doi.org/10.1109/epepemc.2016.7752109.

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"Active Filtering and Unity Power Factor Correction." In 2018 IEEE 18th International Power Electronics and Motion Control Conference (PEMC). IEEE, 2018. http://dx.doi.org/10.1109/epepemc.2018.8521870.

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Dereli, Zekeriya, and Wayne W. Weaver. "Optimal control for sub-unity power factor correction." In 2012 IEEE Energy Conversion Congress and Exposition (ECCE). IEEE, 2012. http://dx.doi.org/10.1109/ecce.2012.6342524.

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Jezernik, Karel, and Robert Horvat. "FPGA hybrid controller for unity power factor." In 2010 14th International Power Electronics and Motion Control Conference (EPE/PEMC 2010). IEEE, 2010. http://dx.doi.org/10.1109/epepemc.2010.5606689.

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Zhang, Jinggang, Bo Yang, Guang Zeng, and Yangyang Tian. "A Unity Power Factor Control Method of PWM Rectifier." In 2012 IEEE PES Asia-Pacific Power and Energy Engineering Conference (APPEEC). IEEE, 2012. http://dx.doi.org/10.1109/appeec.2012.6306905.

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Moussa, M. F., A. Helal, Y. Gaber, and H. A. Youssef. "Unity Power Factor control of permanent magnet motor drive system." In 2008 12th International Middle East Power System Conference - MEPCON. IEEE, 2008. http://dx.doi.org/10.1109/mepcon.2008.4562309.

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Szabo, C., Maria Imecs, and I. I. Incze. "Vector control of the synchronous motor operating at unity power factor." In 2008 11th International Conference on Optimization of Electrical and Electronic Equipment (OPTIM). IEEE, 2008. http://dx.doi.org/10.1109/optim.2008.4602380.

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Xue Yu-qiang and Lian Rui-hong. "A control strategy of three-phase active power filter with unity power factor." In 2011 IEEE Power Engineering and Automation Conference (PEAM). IEEE, 2011. http://dx.doi.org/10.1109/peam.2011.6135076.

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Gokdag, Mustafa, and Ozan Gulbudak. "Model predictive control of AC-DC matrix converter with unity input power factor." In 2018 IEEE 12th International Conference on Compatibility, Power Electronics and Power Engineering (CPE-POWERENG). IEEE, 2018. http://dx.doi.org/10.1109/cpe.2018.8372587.

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Reports on the topic "UNITY POWER FACTOR CONTROL"

1

Mahabir, K., G. Verghese, J. Thottuvelil, and A. Heyman. Linear Models for Large Signal Control of High Power Factor AC-DC Converters. Fort Belvoir, VA: Defense Technical Information Center, November 1989. http://dx.doi.org/10.21236/ada458127.

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Kolarzik, Nina, and Aram Terzyan. The State of Human Rights and Political Freedoms in Belarus: Was the Crisis Inevitable? Eurasia Institutes, November 2020. http://dx.doi.org/10.47669/psprp-4-2020.

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The rule of Alexander Lukashenko in Belarus has created one of the most resilient authoritarian regimes in post-communist Europe. Meanwhile, the turmoil triggered by the 2020 presidential election has put in the spotlight the mounting challenges facing Lukashenko’s authoritarian rule. This paper investigates the state of human rights and political freedoms in Belarus, focusing on the main rationale behind the turmoil surrounding the 2020 presidential election. It concludes that the political crisis following the elections is the unsurprising consequence of Lukashenko’s diminishing ability to maintain power or concentrate political control by preserving elite unity, controlling elections, and/or using force against opponents.

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