Relevant bibliographies by topics / Bi-directional Power Converters

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  1. Journal articles
  2. Dissertations / Theses
  3. Book chapters
  4. Conference papers

Academic literature on the topic 'Bi-directional Power Converters'

Author: Grafiati
Published: 6 September 2023

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Journal articles on the topic "Bi-directional Power Converters"

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Miao, Qing, Jun Yong Wu, Hong Ke Ai, Fei Xiong, Da Wei Qi, and Liang Liang Hao. "Study on Coordinating Control Strategy of Hybrid Cascade Energy Storage and Bi-Directional Power Regulation Device." Advanced Materials Research 852 (January 2014): 655–59. http://dx.doi.org/10.4028/www.scientific.net/amr.852.655.

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This paper presents a novel topology and the coordinating control strategy of the hybrid cascade energy storage and bi-directional power regulation device. First, the voltage gain and power transmission characteristics of isolated half-bridge DC/DC converter have been analyzed. On this basis, the coordinating control strategy of the two kinds of converters is mainly studied. Finally, a detailed bi-directional power regulation device model is established on a PSCAD/EMTDC platform.
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Chiang, S. J., Yu-Min Liao, and Ke-Chih Liu. "Capacity Limitation Control of Multiple Bi-directional DC-DC Converters for Micro Grid Application." Studies in Engineering and Technology 2, no. 1 (July 2, 2015): 61. http://dx.doi.org/10.11114/set.v2i1.926.

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The micro grid system requires battery for energy storage and power management. In which, the bi-directional DC to DC converter is the key component for maintaining the DC bus voltage and controlling the charge and discharge of the battery with or without grid support. Parallel control of multiple DC to DC converters is a critical technique to enlarge the power capacity. This paper presents two capacity limitation control methods that multiple DC to DC converters can be paralleled with distributed battery banks. The first method is the capacity limitation control with cascaded load current sense needing no control interconnection. The second method is the capacity limitation control with master-slave and cascaded current command limitation. Two methods are presented to solve the limitation of droop control method and active current sharing method respectively, and can be extended without converter number limitation theoretically. Three prototype 240W bidirectional half-bridge DC to DC converters are built and paralleled in this paper. The proposed method is confirmed with some measured results.
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Karakaya, Furkan, Özgür Gülsuna, and Ozan Keysan. "Feasibility of Quasi-Square-Wave Zero-Voltage-Switching Bi-Directional DC/DC Converters with GaN HEMTs." Energies 14, no. 10 (May 16, 2021): 2867. http://dx.doi.org/10.3390/en14102867.

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There are trade-offs for each power converter design which are mainly dictated by the switching component and passive component ratings. Recent power electronic devices such as Gallium Nitride (GaN) transistors can improve the application range of power converter topologies with lower conduction and switching losses. These new capabilities brought by the GaN High Electron Mobility Transistors (HEMTs) inevitably changes the feasible operation ranges of power converters. This paper investigates the feasibility of Buck and Boost based bi-directional DC/DC converter which utilizes Quasi-Square-Wave (QSW) Zero Voltage Switching (ZVS) on GaN HEMTs. The proposed converter applies a high-switching frequency at high output power to maximize the power density at the cost of high current ripple with high frequency of operation which requires a design strategy for the passive components. An inductor design methodology is performed to operate at 28 APP with a switching frequency of 450 kHz. In order to minimize the high ripple current stress on the output capacitors an interleaving is performed. Finally, the proposed bi-directional converter is operated at 5.4 kW with 5.24 kW/L or 85.9 W/in3 volumetric power density with air-forced cooling. The converter performance is verified for buck and boost modes and full load efficiencies are recorded as 97.7% and 98.7%, respectively.
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Kumari, Remala Geshma, A. Ezhilarasi, and Naresh Pasula. "Control strategy for modified CI-based Bi-directional Γ-Z source DC-DC converter for buck-boost operation." International Journal of Power Electronics and Drive Systems (IJPEDS) 13, no. 3 (September 1, 2022): 1510. http://dx.doi.org/10.11591/ijpeds.v13.i3.pp1510-1518.

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This paper introduces a novel Bi-directional coupled-inductor (CI) based Γ-Z source converter for step up-step down DC application. It is a modified version of CI based Γ-Z high gain converter. The converter originates under the family of impedance networks with two winding coupled inductor. The said converter when operated with low duty ratio makes converter to achieve high gain compared to conventional DC-DC converters. As the society is in trend with electric vehicles (EV’s) are recommending operating the converters in Bi-directional mode to have continuous power flow when those are operated with green technologies. So, the same converter is initially operated and verified as buck and boost converter in open loop mode. Nearly 38 and 4 voltage-gainin boost and buck mode was observed when realized in MATLAB environment for the designed inductor and capacitor values with 49% and 1% duty cycle respectively under open-loop configuration. In the succeeding a PID controller based closed loop control strategy has implemented for the same converter. Gain sensitivity of the converter had been verified in MATLAB Simulink environment. Results obtained from simulation and mathematical found satisfactory in open and closed loop.
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Saponara, Sergio, Roberto Saletti, and Lucian Mihet-Popa. "Hybrid Micro-Grids Exploiting Renewables Sources, Battery Energy Storages, and Bi-Directional Converters." Applied Sciences 9, no. 22 (November 19, 2019): 4973. http://dx.doi.org/10.3390/app9224973.

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This paper analyzes trends in renewable-energy-sources (RES), power converters, and control strategies, as well as battery energy storage and the relevant issues in battery charging and monitoring, with reference to a new and improved energy grid. An alternative micro-grid architecture that overcomes the lack of flexibility of the classic energy grid is then described. By mixing DC and AC sources, the hybrid micro-grid proposes an alternative architecture where the use of bi-directional electric vehicle chargers creates a micro-grid that directly interconnects all the partner nodes with bi-directional energy flows. The micro-grid nodes are the main grid, the RES and the energy storage systems, both, on-board the vehicle and inside the micro-grid structure. This model is further sustained by the new products emerging in the market, since new solar inverters are appearing, where a local energy storage for the RES is available. Therefore, the power flow from/towards the RES becomes bi-directional with improved flexibility and efficiency.
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Calderon-Lopez, Gerardo, James Scoltock, Yiren Wang, Ian Laird, Xibo Yuan, and Andrew J. Forsyth. "Power-Dense Bi-Directional DC–DC Converters With High-Performance Inductors." IEEE Transactions on Vehicular Technology 68, no. 12 (December 2019): 11439–48. http://dx.doi.org/10.1109/tvt.2019.2943124.

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Lamantia, Antonio, Francesco Giuliani, and Alberto Castellazzi. "Power Scalable Bi-Directional DC-DC Conversion Solutions for Future Aircraft Applications." Energies 13, no. 20 (October 19, 2020): 5470. http://dx.doi.org/10.3390/en13205470.

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With the introduction of the more electric aircraft, there is growing emphasis on improving overall efficiency and thus gravimetric and volumetric power density, as well as smart functionalities and safety of an aircraft. In future on-board power distribution networks, so-called high voltage DC (HVDC, typically +/−270VDC) supplies will be introduced to facilitate distribution and reduce the associated mass and volume, including harness. Future aircraft power distribution systems will also very likely include energy storage devices (probably, batteries) for emergency back up and engine starting. Correspondingly, novel DC-DC conversion solutions are required, which can interface the traditional low voltage (28 V) DC bus with the new 270 V one. Such solutions presently need to cater for a significant degree of flexibility in their power ratings, power transfer capability and number of inputs/outputs. Specifically, multi-port power-scalable bi-directional converters are required. This paper presents the design and testing of such a solution, addressing the use of leading edge wide-band-gap (WBG) solid state technology, especially silicon carbide (SiC), for use as high-frequency switches within the bi-directional converter on the high-voltage side.
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Barsana Banu, J., and M. Balasingh Moses. "Modeling, control, and implementation of the soft switching dc-dc converter for battery charging/discharging applications." International Journal of Engineering & Technology 7, no. 1.3 (December 31, 2017): 104. http://dx.doi.org/10.14419/ijet.v7i1.3.9667.

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This paper presents a soft switching bidirectional buck-boost converter for battery charging and discharging systems. The proposed method comprises of Inductance Capacitance Diode combination of the bidirectional dc-dc converter with one more electric switch is presented to accomplish high efficiency, high conversion ratio and maximum output power compared to the other bidirectional converters. It works in both steps up and steps down conversions. The proposed converter has alleviated the switching stress problems in the conventional bidirectional dc-dc converter. It suppresses the switching losses by zero voltage and zeroes current turn ON and OFF all switches. The complete steady-state analysis of the proposed bi-directional converter has described with its operating modes. Design consideration of parameters also presented to realize the converter characteristics. The switching stress on the power semiconductor devices is given, and the comparisons between the proposed technique and other bidirectional converters are illustrated with some results. Finally, the experimental prototype of 20 kHz, 315 W output power converter developed, and its feasibility verified through computer simulation results.
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Reusser, Carlos A., Ramón Herrera Hernández, and Tek Tjing Lie. "Hybrid Vehicle CO2 Emissions Reduction Strategy Based on Model Predictive Control." Electronics 12, no. 6 (March 21, 2023): 1474. http://dx.doi.org/10.3390/electronics12061474.

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This work proposes a hybrid drive controlled configuration, using a minimum emissions search algorithm, which ensures the operation of the Internal Combustion Engine (ICE) in its fuel efficiency range, minimizing CO2 emissions by controlling the power flow direction of the Electric Machine (EM). This action is achieved by means of Power Converters, in this case a bi-directional DC-DC Buck-Boost Converter in the DC-side and a DC-AC T-type Converter as the inverting stage. Power flow is controlled by means of a bi-directional Model Predictive Control (MPC) scheme, based on an emissions optimization algorithm. A novel drivetrain configuration is presented where both, the ICE and the EM are in tandem arrangement. The EM is driven depending on the traction requirements and the emissions of the ICE. The EM is capable of operates in motor and generator mode ensuring the Minimum Emission Operating Point (MEOP) of the ICE regardless of the mechanical demand at the drivetrain. Simulation and validation results using a Hardware in the Loop (HIL) virtual prototype under different operation conditions are presented in order to validate the proposed overall optimization strategy.
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Scharrer, M., M. Halton, A. Scanlan, and K. Rinne. "Efficient Bi-Directional Digital Communication Scheme for Isolated Switch Mode Power Converters." IEEE Transactions on Circuits and Systems I: Regular Papers 59, no. 12 (December 2012): 3081–89. http://dx.doi.org/10.1109/tcsi.2012.2206450.

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Dissertations / Theses on the topic "Bi-directional Power Converters"

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Han, Sangtaek. "High-power bi-directional DC/DC converters with controlled device stresses." Diss., Georgia Institute of Technology, 2012. http://hdl.handle.net/1853/49010.

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The objective of the research is to develop a cost-effective high-power bi-directional dc/dc converter with low total-device ratings, reduced system parasitic effects, and a wide input/output range. Additional objectives of the research are to develop a small-signal model and control methods, and to present performance characterizations. Device stresses in the proposed topology are controlled to maintain minimal levels by varying the duty ratio and phase-shift angle between the primary and the secondary bridges, which results in a low total-device rating, when compared to conventional bi-directional dc/dc topologies. In the proposed topology, soft switching, which reduces power loss, can be realized under specific operating conditions. When the condition that causes minimal device stress is satisfied, zero-voltage switching (ZVS) can be obtained. In the research, ZVS capability is explored for a wide range of voltage conditions as well as for the minimal device-stress condition. The performance characterization includes verifying the soft-switching regions and power-loss estimation. Another part of the thesis is the controller design of the converter. Small-signal models and feedback controllers are developed, and the controllers are experimentally validated. Because in the isolated high-frequency converters, transformer saturation is an important issue, a method to prevent transformer saturation is proposed and experimentally validated.
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Dong, Dong. "Ac-dc Bus-interface Bi-directional Converters in Renewable Energy Systems." Diss., Virginia Tech, 2012. http://hdl.handle.net/10919/28495.

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This dissertation covers several issues related to the ac-dc bus-interface bi-directional converters in renewable energy systems. The dissertation explores a dc-electronic distribution system for residential and commercial applications with a focus on the design of an ac-dc bi-directional converter for such application. This converter is named as the â Energy Control Centerâ due to its unique role in the system. First, the impact of the unbalanced power from the ac grid, especially the single-phase grid, on the dc system operation is analyzed. Then, a simple ac-dc two-stage topology and an advanced digital control system is proposed with a detailed design procedure. The proposed converter system significantly reduces the dc-link capacitor volume and achieves a dynamics-decoupling operation between the interfaced systems. The total volume of the two-stage topology can be reduced by upto three times compared with the typical design of a full-bridge converter. In addition, film capacitors can be used instead of electrolytic capacitors in the system, and thus the whole system reliability is improved. A set of ac passive plus active filter solutions is proposed for the ac-dc bus-interface converter which significantly reduces the total power filter volume but still eliminate the total leakage current and the common-mode conducted EMI noises by more than 90%. The dc-side low-frequency CM voltage ripple generated by the unbalanced ac voltages can be eliminated as well. The proposed solution features a high reliability and fits three types of the prevalent low-voltage ac distribution systems. Grid synchronization, a critical interface control in ac-dc bus-interface converters, is discussed in detail. First, a novel single-phase grid synchronization solution is proposed to achieve the rejection of multiple noises as well as the capability to track the ac voltage amplitude. Then, a comprehensive modeling methodology of the grid synchronization for three-phase system is proposed to explain the output frequency behaviors of grid-interface power converters at the weak grid, at the islanded condition, and at the multi-converter condition. The proposed models provide a strong tool to predict the grid synchronization instabilities raised from industries under many operating conditions, which is critical in future more-distributed-generation power systems. Islanding detection issues in ac-dc bus-interface converters are discussed in detail. More than five frequency-based islanding detection algorithms are proposed. These solutions achieve different performances and are suitable for different applications, which are advantageous over existing solutions. More importantly, the detailed modeling, trade-off analysis, and design procedures are given to help completely understand the principles. In the end, the effectiveness of the proposed solutions in a multiple-converter system are analyzed. The results drawn from the discussion can help engineers to evaluate other existing solutions as well.
Ph. D.
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Demetriades, Georgios D. "On small-signal analysis and control of the single- and the dual-active bridge topologies." Doctoral thesis, Stockholm, 2005. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-153.

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Jain, Manu. "Bi-directional DC-DC converter for low-power applications." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1998. http://www.collectionscanada.ca/obj/s4/f2/dsk2/tape17/PQDD_0008/MQ39979.pdf.

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Abu-hamdeh, Muthanna S. "Modeling of Bi-directional Converter for Wind Power Generation." The Ohio State University, 2009. http://rave.ohiolink.edu/etdc/view?acc_num=osu1259684130.

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Li, Yiyang. "Novel power converter topologies to interface solar power to power grid with battery backup." Thesis, University of Sydney, 2020. https://hdl.handle.net/2123/23269.

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The main aim of this thesis is to develop a solar energy system for domestic utilities, using a bi-directional DC-DC boost converter with a battery storage system in it. Topologies of the converters employed in the existing system are not efficient, especially in high power applications because of complicated structures with many power devices. In order to step up the DC voltage of the solar panel to a value suitable for AC power conversion, the DC-DC converter topologies has used either multiple stages of voltage amplification or complicated structures with many power devices as the voltage gain offered by the standard boost converter is not adequate enough. This has led to the use of complicated switching control methods. As a result of such power converters with low power density, the cost of the system is also high with relatively low efficiency. The above-mentioned shortcomings have led researchers to investigate new topologies of converters and efficient control methods. The thesis investigates the existing topologies of DC-DC boost converters pointing out advantages and disadvantages and presents ten new topologies that are superior to existing ones. Detailed analysis of converters is presented, and the mathematical model is developed to determine the voltage gain as a function of duty cycle. The presented converter topologies are also designed, and prototypes fabricated in the laboratory. The fabricated converters are tested experimentally using Arduino micro-controller. Programs are developed to control the converters in different modes of operation and the performance curves are generated. The experimental results support the theoretical model developed and the obtained results are presented in the thesis. A bi-directional DC-AC converter topology is also developed to interface the solar panel to the AC grid. The developed topology makes use of one of the DC-DC converter topologies presented and offers battery backup facility in it. This system can be controlled to store power either from AC grid or from the solar panel and can power the AC load or inject power to the grid. Appropriate control methods are developed for the bi-directional converter system and extensive simulation studies are conducted using MATLAB/Simulink to demonstrate the operation of the system in different modes of operation and simulation results are also presented. The converter system has also been fabricated and tested with solar panels. The test results of different modes of operation are also presented. Finally, the authors’ viewpoint in the development of power electronics in solar application is presented.
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Pepper, Michael. "BI-DIRECTIONAL DCM DC-TO-DC CONVERTER FOR HYBRID ELECTRIC VEHICLES." Master's thesis, University of Central Florida, 2008. http://digital.library.ucf.edu/cdm/ref/collection/ETD/id/2672.

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With the recent revival of the hybrid vehicle much advancement in power management has been made. The most popular hybrid vehicle, the hybrid electric vehicle, has many topologies developed to realize this hybrid vehicle. From these topologies, as sub set was created to define a particular group of vehicles where the converter discussed in this thesis has the most advantage. This sub set is defined by two electric sources of power coupled together at a common bus. This set up presents many unique operating conditions which can be handled seamlessly by the DC-to-DC converter when designed properly. The DC-to-DC converter discussed in this thesis is operated in Discontinuous Conduction Mode (DCM) of operation because of its unique advantages over the Continuous Conduction Mode (CCM) operated converter. The most relevant being the reduction of size of the magnetic components such as inductor, capacitor and transformers. However, the DC-to-DC converter operated in DCM does not have the inherent capability of bi-directional power flow. This problem can be overcome with a unique digital control technique developed here. The control is developed in a hierarchical fashion to separate the functions required for this sub set of hybrid electric vehicle topologies. This layered approach for the controller allows for the seamless integration of this converter into the vehicle. The first and lowest level of control includes a group of voltage and controller regulators. The average and small signal model of these controllers were developed here to be stable and have a relatively fast recovery time to handle the transient dynamics of the vehicle system. The second level of control commands and organizes the regulators from the first level of control to perform high level task that is more specific to the operation of the vehicle. This level of control is divided into three modes called hybrid boost, hybrid buck and electric vehicle mode. These modes are developed to handle the specific operating conditions found when the vehicle is operated in the specific mode. The third level of control is used to command the second level of control and is left opened via a communication area network (CAN) bus controller. This level of control is intended to come from the vehicle s system controller. Because the DC-to-DC converter is operated in DCM, this introduces added voltage ripple on the output voltage as well as higher current ripple demand from the input voltage. Since this is generally undesirable, the converter is split into three phases and properly interleaved. The interleaving operation is used to counteract the effects of the added voltage and current ripple. Finally, a level of protection is added to protect the converter and surrounding components from harm. All protection is designed and implemented digitally in DSP.
M.S.E.E.
School of Electrical Engineering and Computer Science
Engineering and Computer Science
Electrical Engineering MSEE
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Fernando, W. Anand K. "Techniques for Designing HFAC Power Distribution Systems; Power Conversion and Distribution." Thesis, The University of Sydney, 2018. http://hdl.handle.net/2123/17995.

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Modern power distribution systems (PDS) utilize multiple converters, making power flow undergo several conversions between source and the load. Use of high frequency AC (HFAC) in PDSs eliminates a few stages of converters in addition to the smaller sized capacitors and inductors being used; making the converters much lighter in weight offering a variety of solutions for the weight critical applications such as spacecraft, aircraft and electric vehicle onboard PDSs. HFAC converters with resonant filters have been widely used in the past despite of being tuned to a single frequency. Thus, the variable frequency operation as well as parallel connection of multiple converters had been less efficient. This part of the research work focusses on development of a bi-directional AC-AC converter that could work within a range of grid parameters. The proposed two-stage converter constructed with wide bandgap power switches, a high-performance microcontroller, low-pass filters which operates at high switching frequencies provide the desired variable frequency and voltage operation capability. A major drawback in HFAC PDS had been the excessive power loss and voltage drop due to skin effect and proximity effect of conductors. This part of the research work investigates the development of new cable types with hollow core cross-sections. This would minimize skin effect losses by shifting much of the conducting material to the skin depth, keeping the weight increase to a minimal. Feasibility studies performed using PSCAD software showed improved performance of cables upto 100kHz; enabling using such as in wireless power transmission applications.
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Luan, Austin J. "Bi-Directional Flyback DC-DC Converter for Battery System of the DC House Project." DigitalCommons@CalPoly, 2013. https://digitalcommons.calpoly.edu/theses/1012.

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The DC House project strongly relies on renewable energy sources to provide power to the house for various loads. However, when these sources are unable to provide power at a certain time, a back-up energy source from a battery must be readily available to fulfill the house’s power needs. This thesis proposes a bi-directional flyback power converter to allow a single-stage power path to charge the battery from and to discharge the battery to the DC House 48 V system bus. The design, simulation, and hardware prototype of the proposed flyback bi-directional converter will be conducted to demonstrate its feasibility. Results from a 35W prototype demonstrate the operation of the proposed converter for both charging and discharging purposes.
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Wahid, Ferdus. "Analysis Of A Wave Power System With Passive And Active Rectification." Thesis, Uppsala universitet, Institutionen för elektroteknik, 2020. http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-425722.

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Wave energy converter (WEC) harnesses energy from the ocean to produce electrical power. The electrical power produced by the WEC is fluctuating and is not maximized as well, due to the varying ocean conditions. As a consequence, without any intermediate power conversion stage, the output power from the WEC can not be fed into the grid. To feed WEC output power into the grid, a two-stage power conversion topology is used, where the WEC output power is first converted into DCpower through rectification, and then a DC-AC converter (inverter) is used to supply AC power into the grid. The main motive of this research is to extract maximum electrical power from the WEC by active rectification and smoothing the power fluctuation of the wave energy converter through a hybrid energy storage system consisting of battery and flywheel. This research also illustrates active and reactive power injection to the grid according to load demand through a voltage source inverter.
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Book chapters on the topic "Bi-directional Power Converters"

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Rahman, Mohammad Lutfur, Shunsuke Oka, and Yasuyuki Shirai. "HOTT Power Controller With Bi-Directional Converter (HPB)." In Wind Energy Conversion Systems, 485–99. London: Springer London, 2012. http://dx.doi.org/10.1007/978-1-4471-2201-2_20.

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Liu, Guodong, Zhipo Ji, Ruichang Qiu, and Xiang Wang. "The Research on Bi-Directional DC/DC Converter for Hybrid Power System." In Lecture Notes in Electrical Engineering, 405–14. Singapore: Springer Singapore, 2018. http://dx.doi.org/10.1007/978-981-10-7986-3_43.

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Mapari, Rahul Ganpat, D. G. Wakde, and V. N. Patil. "Performance Analysis of Single-Phase Bi-directional Converter for Power Factor Correction and Voltage Stabilization." In Proceedings of the International Conference on Data Engineering and Communication Technology, 37–46. Singapore: Springer Singapore, 2016. http://dx.doi.org/10.1007/978-981-10-1675-2_5.

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Lavanya, N., and P. N. H. Phanindra Kumar. "Design and Analysis of Improved Indirect Matrix Converter Supplying Power to Rotor of DFIG for Bi-directional Power Flow." In Lecture Notes in Electrical Engineering, 277–87. Singapore: Springer Singapore, 2020. http://dx.doi.org/10.1007/978-981-15-7245-6_22.

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Zhao, Yanlei, Naiyong Xia, and Housheng Zhang. "Design on Triple Bi-directional DC/DC Converter Used for Power Flow Control of Energy Storage in Wind Power System." In Lecture Notes in Electrical Engineering, 7–14. Berlin, Heidelberg: Springer Berlin Heidelberg, 2011. http://dx.doi.org/10.1007/978-3-642-21762-3_2.

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Thangam, Thomas, and Abdul Hameed Hameed Kalifullah. "Type 2 Intelligent Controller for Grid-Tied Solar Electric Vehicle Charging Stations." In Advances in Environmental Engineering and Green Technologies, 218–43. IGI Global, 2023. http://dx.doi.org/10.4018/978-1-6684-7303-0.ch010.

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Electric vehicles (EVs) are becoming a popular alternative to gas-powered cars. These cars need “full” batteries to run. Solar-powered chargers are an exciting alternative to grid-based EV charging. These chargers give electric vehicles pollution-free electricity, which benefits the environment. Solar PV is the most popular renewable energy source. This chapter establishes a solar EV charging station, which charges EVs. Bi-directional batteries store photovoltaic (PV) energy for use during power outages. PV overproduction is transferred to the grid for later use. Cascaded interval type 2 fuzzy logic controller (CIT2FLC) boosts voltage using KY converter to track maximum photovoltaic power. To accomplish grid synchronization, a DC voltage is delivered to a grid-connected 1 phase VSI and optimized using a PI controller. During peak hours, EV gets power from the grid via 1 phase VSI, with the KY converter in buck mode. The suggested work ensures uninterrupted charging. The complete structure was tested using MATLAB Simulink and yielded 94.7% efficiency and 3.9% THD.
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Conference papers on the topic "Bi-directional Power Converters"

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Chamund, D. "Bi-directional switch packaging for higher power matrix converters." In IEE Seminar Matrix Converters. IEE, 2003. http://dx.doi.org/10.1049/ic:20030049.

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Yu, Sheng-Yang, and Alexis Kwasinski. "Investigation of multiple-input converters bi-directional power flow characteristics." In 2013 IEEE Applied Power Electronics Conference and Exposition - APEC 2013. IEEE, 2013. http://dx.doi.org/10.1109/apec.2013.6520436.

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Lithesh, Gottapu, Bekkam Krishna, and V. Karthikeyan. "Review and Comparative Study of Bi-Directional DC-DC Converters." In 2021 IEEE International Power and Renewable Energy Conference (IPRECON). IEEE, 2021. http://dx.doi.org/10.1109/iprecon52453.2021.9640712.

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Chang, Jie, Tom Sun, Anhua Wang, and Jiajia Zhang. "Multi-function, Bi-Directional and Compact Power Converters for Aircraft Power System Applications." In Power Systems Conference. 400 Commonwealth Drive, Warrendale, PA, United States: SAE International, 2002. http://dx.doi.org/10.4271/2002-01-3234.

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Yi, Zheyuan, Huan Chen, Kai Sun, John Fletcher, Georgios Konstantinou, and Branislav Hredzak. "Analysis and Mitigation of Oscillations in Bi-directional CLLC Resonant Converters." In 2019 10th International Conference on Power Electronics and ECCE Asia (ICPE 2019 - ECCE Asia). IEEE, 2019. http://dx.doi.org/10.23919/icpe2019-ecceasia42246.2019.8797133.

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Reddy, B. Mallikarjuna, and Paulson Samuel. "A comparative analysis of non-isolated bi-directional dc-dc converters." In 2016 IEEE 1st International Conference on Power Electronics, Intelligent Control and Energy Systems (ICPEICES). IEEE, 2016. http://dx.doi.org/10.1109/icpeices.2016.7853292.

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7

Arvindan, A. N., and V. K. Sharma. "Simulation based performance analysis of high frequency improved power quality bi-directional multilevel AC-DC converters." In 2006 IEEE Power India Conference. IEEE, 2006. http://dx.doi.org/10.1109/poweri.2006.1632570.

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8

Goudarzi, Navid, and Kyung Soo Han. "Hydro Power: The Potential of a Novel Marine Hydrokinetic Turbine Technology." In ASME 2017 Power Conference Joint With ICOPE-17 collocated with the ASME 2017 11th International Conference on Energy Sustainability, the ASME 2017 15th International Conference on Fuel Cell Science, Engineering and Technology, and the ASME 2017 Nuclear Forum. American Society of Mechanical Engineers, 2017. http://dx.doi.org/10.1115/power-icope2017-3756.

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Abstract:
Marine and hydrokinetic (MHK) turbine development projects use power converters to convert harnessed variable power to grid compatible constant frequency AC. Using power converters in similar projects such as harnessing tidal energy through bi-directional rotor blades, or by using direct-drive technology for harnessing tidal and ocean wave energy, are rapidly expanding all around the world. However, power converters are known to have the lowest mean-time-to-failure among turbines’ components and have significant impact on increasing the cost of energy, especially at larger MHK turbine scales. This work proposes the potential of a novel MHK turbine drivetrain with three main modules. The first module is an “energy harnessing module” to harness variable hydrokinetic power. The waterwheel with a large catchment area is effective in harnessing low head, free flowing hydrokinetic energy. The second module is a novel “speed controlling module” that is a replacement of currently used power converters; it is the focus of this work. It produces a constant speed output from a variable input speed. Finally, the third module is the “power generating module” that generates grid-compatible constant-frequency electricity. The test results showed the superior performance of the proposed speed converter in obtaining constant speed frequency output from a variable input speed range.
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Nimesh V and Vinod John. "Dual comparison one cycle control for single phase bi-directional power converters." In 2016 IEEE International Conference on Power Electronics, Drives and Energy Systems (PEDES). IEEE, 2016. http://dx.doi.org/10.1109/pedes.2016.7914469.

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Wen, Huiqing. "Reactive power loss optimization method for bi-directional isolated DC-DC converters." In 2014 International Power Electronics Conference (IPEC-Hiroshima 2014 ECCE-ASIA). IEEE, 2014. http://dx.doi.org/10.1109/ipec.2014.6869664.

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