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Artykuły w czasopismach na temat „DC balance”

Autor: Grafiati

Data publikacji: 3 czerwca 2025

Data aktualizacji: 31 lipca 2025

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1

Pham, Minh-Duc, Tuyen D. Nguyen, and Hong-Hee Lee. "A Centralized Shifted Power Control Scheme for Isolated Bidirectional DC-DC Converter in Standalone DC Distribution System." Renewable Energy and Power Quality Journal 20 (September 2022): 37–42. http://dx.doi.org/10.24084/repqj20.212.

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When parallel converter structures are considered in modern DC distribution systems, several challenges are faced in the energy management system (EMS). For example, the circuit parameter mismatches of parallel isolated DC-DC converter modules will cause power imbalances, which is the most important concern in DC distribution system. To deal with this issue, this study presents a power management control scheme in the EMS to ensure the power balance of isolated DC-DC converters in DC distribution system. In the proposed method, the proposed shifted voltage is introduced at the output of each c

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Kim, Ju-Yong, Ho-Sung Kim, Ju-Won Baek, and Dong-Keun Jeong. "Analysis of Effective Three-Level Neutral Point Clamped Converter System for the Bipolar LVDC Distribution." Electronics 8, no. 6 (2019): 691. http://dx.doi.org/10.3390/electronics8060691.

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Low-voltage direct current (LVDC) distribution has attracted attention due to increased DC loads, the popularization of electric vehicles, energy storage systems (ESS), and renewable energy sources such as photovoltaic (PV). This paper studies a ±750 V bipolar DC distribution system and applies a 3-level neutral-point clamped (NPC) AC/DC converter for LVDC distribution. However, the 3-level NPC converter is fundamental in the neutral-point (NP) imbalance problem. This paper discusses the NP balance control method using zero-sequence voltage among various solutions to solve NP imbalance. Howeve

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3

Du, Shuang, Rui Juan Guo, and Li Chen Wang. "Research on Bidirectional DC/DC Converter for Electric Vehicle." Applied Mechanics and Materials 701-702 (December 2014): 1169–72. http://dx.doi.org/10.4028/www.scientific.net/amm.701-702.1169.

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The voltages of between the battery and the ultra-capacitor are not equal in the energy storage system of the electric vehicle. DC/DC converter is researched in order to balance the voltages between the battery and the ultra-capacitor. The traditional control method is not ideal. The model of bidirectional DC/DC converter is established on the basis of the working principle of the DC/DC converter. And it is in the double closed loop PI control mode. The results of simulation indicate that the control method has fast response speed, small overshoot and strong ability of anti-interference. It ca

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4

Miller, Eric A. "A Conceptual Interpretation of the Drought Code of the Canadian Forest Fire Weather Index System." Fire 3, no. 2 (2020): 23. http://dx.doi.org/10.3390/fire3020023.

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The Drought Code (DC) was developed as part of the Canadian Forest Fire Weather Index System in the early 1970s to represent a deep column of soil that dries relatively slowly. Unlike most other fire danger indices or codes that operate on gravimetric moisture content and use the logarithmic drying equation to represent diffusion, the DC is based on a model that balances daily precipitation and evaporation. This conceptually simple water balance model was ultimately implemented using a “shortcut” equation that facilitated ledgering by hand but also mixed the water balance model with the abstra

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5

Lin, Bor-Ren. "Soft Switching DC Converter for Medium Voltage Applications." Electronics 7, no. 12 (2018): 449. http://dx.doi.org/10.3390/electronics7120449.

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A dc-dc converter with asymmetric pulse-width modulation is presented for medium voltage applications, such as three-phase ac-dc converters, dc microgrid systems, or dc traction systems. To overcome high voltage stress on primary side and high current rating on secondary side, three dc-dc circuits with primary-series secondary-parallel structure are employed in the proposed converter. Current doubler rectifiers are used on the secondary side to achieve low ripple current on output side. Asymmetric pulse-width modulation is adopted to realize soft switching operation for power switches for wide

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6

Nag, Soumya Shubhra, Ramanuja Panigrahi, Santanu K. Mishra, Avinash Joshi, Khai D. T. Ngo, and Suman Mandal. "A Theory to Synthesize Nonisolated DC–DC Converters Using Flux Balance Principle." IEEE Transactions on Power Electronics 34, no. 11 (2019): 10910–24. http://dx.doi.org/10.1109/tpel.2019.2898702.

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Brassard, Julyanne, Catherine Maheux, Anick Langlois, et al. "Lipopolysaccharide impacts murine CD103 + DC differentiation, altering the lung DC population balance." European Journal of Immunology 49, no. 4 (2019): 638–52. http://dx.doi.org/10.1002/eji.201847910.

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8

Tong, Cheuk Hei Marcus, Mats B. Nilsson, Andreas Drott, and Matthias Peichl. "Drainage Ditch Cleaning Has No Impact on the Carbon and Greenhouse Gas Balances in a Recent Forest Clear-Cut in Boreal Sweden." Forests 13, no. 6 (2022): 842. http://dx.doi.org/10.3390/f13060842.

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Ditch cleaning (DC) is increasingly applied to facilitate forest regeneration following clear-cutting in Fennoscandinavia. However, its impact on the ecosystem carbon and greenhouse gas (GHG) balances is poorly understood. We conducted chamber measurements to assess the initial DC effects on carbon dioxide (CO2) and methane (CH4) fluxes in a recent forest clear-cut on wet mineral soil in boreal Sweden. Measurements were conducted in two adjacent areas over two pre-treatments (2018/19) and two years (2020/21) after conducting DC in one area. We further assessed the spatial variation of fluxes a

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9

Kamnarn, Uthen, Jedsada Yodwong, Pratch Piyawongwisal, et al. "Design and simulation of DC distributed power supply with power balance control technique." International Journal of Power Electronics and Drive Systems (IJPEDS) 13, no. 1 (2022): 460. http://dx.doi.org/10.11591/ijpeds.v13.i1.pp460-469.

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This paper presents the analysis, design and simulation of DC distributed power supply controlled with power and energy balance control technique. The proposed system consists of 5 connection structures of DC to DC converters which are parallel, cascade, source splitting, load splitting, and stack. The system mathematical model is analyzed by the average small-signal method. The proposed power balance control technique is used in the instance where the main sources supply the load of the system. The energy balance control technique is used in the case that the load at the 24 V and 12 V bus is

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10

Uthen, Kamnarn, Yodwong Jedsada, Piyawongwisal Pratch, et al. "Design and simulation of DC distributed power supply with power balance control technique." International Journal of Power Electronics and Drive Systems (IJPEDS) 13, no. 1 (2022): 460–69. https://doi.org/10.11591/ijpeds.v13.i1.pp460-469.

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This paper presents the analysis, design and simulation of DC distributed power supply controlled with power and energy balance control technique. The proposed system consists of 5 connection structures of DC to DC converters which are parallel, cascade, source splitting, load splitting, and stack. The system mathematical model is analyzed by the average small signal method. The proposed power balance control technique is used in the instance where the main sources supply the load of the system. The energy balance control technique is used in the case that th

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11

Huang, Ming. "A Non-Isolated DC-DC Modular Multilevel Converter with Proposed Middle Cells." Electronics 11, no. 7 (2022): 1135. http://dx.doi.org/10.3390/electronics11071135.

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Unlike the modular multilevel converter (MMC) topology operated under the rectifier or inverter modes, control of the balanced state for the submodule (SM) capacitor voltage has emerged as the key issue for DC-DC MMCs. This is mainly caused by no balanced alternative powers being used for balancing SM capacitor voltages, which can be absorbed from the input or output DC sides of the converter. Typically, the alternative voltages and currents should be injected to achieve SM capacitor voltage balance in the DC-DC MMC. However, this solution is based on the cost of adopting the bulky LC filter c

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12

Nascimento, Igor Ferreira do, and Pedro H. M. Albuquerque. "Fair and balance rate for benefits not scheduled in defined contribution plans." Revista Contabilidade & Finanças 32, no. 87 (2021): 560–76. http://dx.doi.org/10.1590/1808-057x202112630.

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ABSTRACT The objective of this study is to propose a methodology that, using multiple decreases, in addition to classified by actuarial profile and source of social security costs, calculates actuarially fair and balanced rates for unscheduled collective costing benefits from Defined Contribution (DC) pension plans. There are no studies in Brazil about costing rates for benefits not scheduled in pension plans of the DC modality. Any institution that pays collective cost social security benefits must determine an actuarial rate that is not insufficient, generating a financial imbalance in the f

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13

Bu, Susu. "Voltage Equalization Control Method for ships and warships Supercapacitor Charging." Journal of Physics: Conference Series 2584, no. 1 (2023): 012073. http://dx.doi.org/10.1088/1742-6596/2584/1/012073.

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Abstract A DC-DC converter voltage balancing controller with added voltage anti overcharging protection device is proposed to address the voltage balancing control problem of supercapacitors used in Ships and warships. A simulation model is built in the PSIM environment, and through simulation experiments, this balancing controller can improve the voltage balancing rate, reduce space occupation, and prevent overcharging phenomena. The simulation results show that the improved DC-DC voltage balance controller has a detailed improvement effect on the charging voltage balance of ship supercapacit

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14

Luo, Chengwei, Derong Luo, Shoudao Huang, Gongping Wu, Hongzhang Zhu, and Qianjun He. "A Novel Control Strategy for DC-Link Voltage Balance and Reactive Power Equilibrium of a Single-Phase Cascaded H-Bridge Rectifier." Energies 12, no. 1 (2018): 51. http://dx.doi.org/10.3390/en12010051.

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The dc-link voltage balance and reactive power equilibrium of the cascaded H-bridge rectifier (CHBR) are the prerequisites for the safe and stable operation of the system. However, the conventional PI (Proportional-Integral) control strategy only puts emphasis on the CHBR dc-link voltage balance without taking into account its reactive power equilibrium under capacitive and inductive working conditions. For this reason, this paper has proposed a novel control strategy for the CHBR that can not only balance dc-link voltage, but also achieve reactive power equilibrium and eliminate the coupling

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15

Lin. "Analysis of a DC Converter with Low Primary Current Loss and Balance Voltage and Current." Electronics 8, no. 4 (2019): 439. http://dx.doi.org/10.3390/electronics8040439.

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A dc/dc pulse width modulation (PWM) circuit was investigated to realize the functions of reduced primary current loss and balanced voltage and current distribution. In the presented dc/dc converter, two full bridge pulse width modulation circuits were used with the series/parallel connection on the high-voltage/low-voltage side. The flying capacitor was adopted on the input side to achieve voltage balance on input split capacitors. The magnetic coupling element was employed to achieve current sharing between two parallel circuits. A capacitor-diode passive circuit was adopted to lessen the pr

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16

Ko, Younghun, Yeongshin Jang, Sok-Kyun Han, and Sang-Gug Lee. "Load-Balance-Independent High Efficiency Single-Inductor Multiple-Output (SIMO) DC-DC Converters." JSTS:Journal of Semiconductor Technology and Science 14, no. 3 (2014): 300–312. http://dx.doi.org/10.5573/jsts.2014.14.3.300.

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17

Peng, Zhao, Meng Yuedong, Yu Xinyao, et al. "Energy Balance in DC Arc Plasma Melting Furnace." Plasma Science and Technology 11, no. 2 (2009): 206–10. http://dx.doi.org/10.1088/1009-0630/11/2/14.

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18

Nabatirad, Mohammadreza, Reza Razzaghi, and Behrooz Bahrani. "Autonomous power balance in hybrid AC/DC microgrids." International Journal of Electrical Power & Energy Systems 146 (March 2023): 108752. http://dx.doi.org/10.1016/j.ijepes.2022.108752.

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19

Gong, Renxi, and Yuan Feng. "The Voltage Balance Control Strategy of Static Var Generators DC-Side Capacitors Based on Fuzzy-PI Adaptive Cascaded H-bridge." Electronics 12, no. 1 (2022): 39. http://dx.doi.org/10.3390/electronics12010039.

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A voltage balance control strategy based on the fuzzy adaptive PI (Proportional Integral control) is proposed to address the problem of unbalanced capacitor voltage on the DC side of cascaded H-bridge static var generators (SVG). In the control strategy, fuzzy control is introduced based on PI control. A duty ratio correction is added to all levels’ public active power duty ratios, thereby realizing the balance of DC-side voltages at all levels. A test was conducted by building a single-phase three-H-bridge unit cascaded SVG simulation platform. The results show that the DC-side voltage balanc

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20

Nugroho, Vendi Ardianto, Awang Noor Indra Wardana, and Dwi Joko Suroso. "Analysis of Battery Management Algorithms on DC Microgrids." ELKHA 13, no. 1 (2021): 9. http://dx.doi.org/10.26418/elkha.v13i1.42728.

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Management of battery at direct current (DC) microgrids is the essential factor to maintain the balance of power and the bus voltage's stability in the grids. To ensure the quality of battery management is necessary to simulate the operation of the battery management system. This paper presents the simulations in various battery management algorithms. The simulations were designed to determine the effect of these variations on the balance of the power balance, bus voltage stability, and battery consumption level. The configurations of one, two, and three battery groups could maintain a balance

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21

Liang, Chonggan, Xinran Guo, Hongxing Wang, et al. "A hybrid full-bridge three-level DC-DC converter with crossing auxiliary capacitors." Journal of Physics: Conference Series 2360, no. 1 (2022): 012026. http://dx.doi.org/10.1088/1742-6596/2360/1/012026.

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This paper presents a high-power medium-frequency hybrid full-bridge (FB) three-level (TL) DC-DC converter with crossing auxiliary capacitors. In this converter, two auxiliary capacitors are deployed between phases a and b, replacing the flying capacitor. The converter’s three-level leg switches are with low voltage stress, while the two-level leg switches are with high voltage stress. The topology and modulation method, as well as the switching characteristics of the hybrid FBTL DC-DC converter with crossing auxiliary capacitors are described. The feasibility and performance of the above-ment

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22

Zhao, Lina. "Current ripple optimization design of DC/DC converter." Journal of Physics: Conference Series 2787, no. 1 (2024): 012002. http://dx.doi.org/10.1088/1742-6596/2787/1/012002.

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Abstract Renewable energy has the advantages of renewability and high temperature and has great potential for development, but its instability limits its large-scale promotion. Aiming at the stable operation of the new energy power system and ensuring the safe and reliable operation of the power grid, this project defines the basic topology of the variable multiple DC/DC converter according to the idea of switching circuit parallel factor or reducing ripple under each duty cycle. Secondly, the system structure under the boost mode is modeled, and the system is optimized by the combination of a

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23

Zhang, Meng, Jin Li, and Kun Huang. "Research on Coordinated Control Strategy Based on DC Bus Voltage of DC Microgrid." Journal of Physics: Conference Series 2488, no. 1 (2023): 012046. http://dx.doi.org/10.1088/1742-6596/2488/1/012046.

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Abstract DC microgrid is the trend of the future distribution grid. Coordinated control of different types of distributed generation units, energy storage systems, converters, and loads in the DC microgrid to ensure efficient system operation is the focus of current research on the DC microgrid. In this paper, by taking the renovation project of Liangzi Island Electric Hotel in Hubei Province as a case, a coordinated control strategy based on DC bus voltage is proposed for internal power balance and stable system operation of the DC microgrid. Firstly, the operation mode is divided according t

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24

Yu, Le, Xu Peng, Chao Zhou, and Shibin Gao. "Voltage-Balancing Strategy for Three-Level Neutral-Point-Clamped Cascade Converter under Sequence Smooth Modulation." Energies 13, no. 18 (2020): 4969. http://dx.doi.org/10.3390/en13184969.

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Three-level neutral-point clamped cascaded converters (3LNPC-CC) are widely used in high power nigh-voltage applications. This paper mainly discusses the open-circuit fault in DC-side of the 3LNPC-CC. Optimized by the sequence pulse modulation, a sequence smooth modulation (SSM) is proposed to keep the DC-side voltage balance while the 3LNPC-CC suffers open-circuit fault from DC-side. The SSM found efficient switch-state path through a 3-D cube model and simplified the path from thousands of switch state. The SSM avoids the complex calculation in the voltage-balancing modulation, while the dyn

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Ramakrishna, Elluru, Gadhamappagari Jayakrishna, and Sujatha Peddakotla. "Exploration of the HBSM MMC Five-Level Inverter for D-STATCOM Application." Engineering, Technology & Applied Science Research 13, no. 4 (2023): 11191–96. http://dx.doi.org/10.48084/etasr.5965.

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This paper presents the concert exploration of a Modular Multilevel Converter (MMC) and its application for D-STATCOM. The Half Bridge (HB) sub-module is adopted in the MMC due to its simplicity and low conduction losses. An advanced modulation technique of the Phase Disposition (PD) scheme is applied for the control of the HB MMC switches. The converters are facing DC voltage balance problems under non-linear load conditions. The Proportional and Integral (PI) controller is adopted for the balance of DC voltage. Performance parameters such as apparent power, active power, reactive power, powe

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26

Lei, Tao, Zicun Lin, Xiaobin Zhang, and Longchun Li. "Application of Thermal Balance Phase-Shift Control Strategy to Dual-Active-Bridge DC-DC Converter." Xibei Gongye Daxue Xuebao/Journal of Northwestern Polytechnical University 36, no. 6 (2018): 1129–38. http://dx.doi.org/10.1051/jnwpu/20183661129.

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With the development of the more/All electrical aircraft technology, the dual active bridge converter has been applied to the energy storage device to realize the bidirectional power flow in aircraft electrical system. The power loss of power device in DAB converter affects the operational life of the device and the reliability of the converter. So it is an important performance index to keep the temperature balance for power device in DAB converter. In this paper, the operational mode of dual active bridge bidirectional DC-DC converter in extended-phase-shift (EPS) control is analyzed and ver

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27

Wen, Chuanxin, Yang Yun, Zhongxiu Han, Yu Wang, and Jun Huang. "Research on Output Voltage Self-Balance Control Method of Bipolar DC Distribution Grid for Renewable Energy Consumption." Journal of Physics: Conference Series 2488, no. 1 (2023): 012007. http://dx.doi.org/10.1088/1742-6596/2488/1/012007.

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Abstract Changes in the positive and negative DC loads of bipolar DC distribution grid cause the voltages of DC buses to deviate from the rated value, resulting in additional losses due to unbalanced current and affecting the reliable operation of the distribution grid. This paper proposes an output voltage self-balance control method based on a neutral-point-calmed triple active bridge (NPC-TAB) converter in a bipolar DC distribution grid. First, the topology and operating principle of NPC-TAB are introduced. Then the power model of the topology is deduced based on the phasor method. Based on

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Tan, Longcheng, Bin Wu, Sebastian Rivera, and Venkata Yaramasu. "Comprehensive DC Power Balance Management in High-Power Three-Level DC–DC Converter for Electric Vehicle Fast Charging." IEEE Transactions on Power Electronics 31, no. 1 (2016): 89–100. http://dx.doi.org/10.1109/tpel.2015.2397453.

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Lin, Yuan-Chih, Ding-Tang Chen, and Ching-Jan Chen. "Flux-Balance Control for LLC Resonant Converters with Center-Tapped Transformers." Energies 12, no. 17 (2019): 3211. http://dx.doi.org/10.3390/en12173211.

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LLC resonant converters with center-tapped transformers are widely used. However, these converters suffer from a flux walking issue, which causes a larger output ripple and possible transformer saturation. In this paper, a flux-balance control strategy is proposed for resolving the flux walking issue. First, the DC magnetizing current generated due to the mismatched secondary-side leakage inductances, and its effects on the voltage gain are analyzed. From the analysis, the flux-balance control strategy, which is based on the original output-voltage control loop, is proposed. Since the DC magne

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Siton, Yarden, Vladimir Yuhimenko, Dmitry Baimel, and Alon Kuperman. "Baseline for Split DC Link Design in Three-Phase Three-Level Converters Operating with Unity Power Factor Based on Low-Frequency Partial Voltage Oscillations." Machines 10, no. 9 (2022): 722. http://dx.doi.org/10.3390/machines10090722.

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The study sets a baseline for split DC link capacitance values and voltage set points in three-phase three-level AC/DC (or DC/AC) converters operating with unity power factor. In order to equalize the average values of partial DC link voltages, the controller generates a zero-sequence containing DC components only while employing neither dedicated DC link capacitance balancing hardware nor high-order zero-sequence component injection. Such a baseline is required in order to evaluate the effectiveness of different DC link capacitance reduction methods proposed in the literature. Unlike most pre

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Xiao, Ziheng, Zhixing He, Renfeng Guan, et al. "Analysis and Design of a Modular Self-Balance High-Voltage Input DC–DC Topology." IEEE Journal of Emerging and Selected Topics in Power Electronics 10, no. 2 (2022): 2276–89. http://dx.doi.org/10.1109/jestpe.2022.3140898.

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Tokumasu, Akira, Kazuhiro Shirakawa, Hiroshi Taki, and Keiji Wada. "AC/DC Converter Based on Instantaneous Power Balance Control for Reducing DC-Link Capacitance." IEEJ Journal of Industry Applications 4, no. 6 (2015): 745–51. http://dx.doi.org/10.1541/ieejjia.4.745.

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Lin, Bor-Ren, and Po-Jen Cheng. "New ZVS DC--DC Converter With Series-Connected Transformers to Balance the Output Currents." IEEE Transactions on Power Electronics 29, no. 1 (2014): 246–55. http://dx.doi.org/10.1109/tpel.2013.2247776.

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Smit, Joost J., Dennis M. Lindell, Louis Boon, Mirjam Kool, Bart N. Lambrecht, and Nicholas W. Lukacs. "The Balance between Plasmacytoid DC versus Conventional DC Determines Pulmonary Immunity to Virus Infections." PLoS ONE 3, no. 3 (2008): e1720. http://dx.doi.org/10.1371/journal.pone.0001720.

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Xiang, Xin, Yang Qiao, Yunjie Gu, Xiaotian Zhang, and Timothy C. Green. "Analysis and Criterion for Inherent Balance Capability in Modular Multilevel DC–AC–DC Converters." IEEE Transactions on Power Electronics 35, no. 6 (2020): 5573–80. http://dx.doi.org/10.1109/tpel.2019.2954304.

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Jing, Ji Min, Jing Ze Wang, and Yan Chao Ji. "Research on the Voltage Balance Strategy of Modular Multilevel Converter." Advanced Materials Research 1055 (November 2014): 157–60. http://dx.doi.org/10.4028/www.scientific.net/amr.1055.157.

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The modular multilevel converter (MMC) does not need clamping devices and multiple independent DC voltage source and has a modular structure which is easy to be extended to any level, share a DC side, easy to direct back to back four-quadrant operation and attracts widespread attention. Due to the use of sub-module MMC suspended on the DC side capacitor voltage divider provides synthetic AC output voltage required voltage level and therefore it is essential to the stable operation of the sub-module capacitor voltage balance of the MMC. In this paper, the factors affecting the MMC sub-module ca

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Alepuz, Salvador, Sergio Busquets-Monge, Joan Nicolás-Apruzzese, et al. "A Survey on Capacitor Voltage Control in Neutral-Point-Clamped Multilevel Converters." Electronics 11, no. 4 (2022): 527. http://dx.doi.org/10.3390/electronics11040527.

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Neutral-point-clamped multilevel converters are currently a suitable solution for a wide range of applications. It is well known that the capacitor voltage balance is a major issue for this topology. In this paper, a brief summary of the basic topologies, modulations, and features of neutral-point-clamped multilevel converters is presented, prior to a detailed description and analysis of the capacitor voltage balance behavior. Then, the most relevant methods to manage the capacitor voltage balance are presented and discussed, including operation in the overmodulation region, at low frequency-m

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Linnér, Lukas, Natalia Stambulova, and Kristina Ziegert. "Maintaining dual career balance: A scenario perspective on Swedish university student-athletes’ experiences and coping." Scandinavian Journal of Sport and Exercise Psychology 3 (September 29, 2021): 47–55. http://dx.doi.org/10.7146/sjsep.v3i.125734.

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A dual career (DC) scenario perspective was introduced in the Erasmus+ Sports project “Gold in education and elite sport” (GEES) and is characterized by integration of student-athletes’ athletic and non-athletic demands into difficult situations or periods (i.e., scenarios) requiring coping efforts. In this study we consider balance as the primary challenge for student-athletes and set out to identify DC scenarios that influenced university student-athletes’ optimal DC balance, and the factors involved in coping with such scenarios. We implemented a post-positivist qualitative design through s

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Rao, S. Nagaraja, D. V. Ashok Kumar, and Ch Sai Babu. "Grid Connected Distributed Generation System with High Voltage Gain Cascaded DC-DC Converter Fed Asymmetric Multilevel Inverter Topology." International Journal of Electrical and Computer Engineering (IJECE) 8, no. 6 (2018): 4047. http://dx.doi.org/10.11591/ijece.v8i6.pp4047-4059.

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The paper presents distributed generation (DG) system in grid connected mode of operation with asymmetric multi-level inverter (AMLI) topology. Cascaded type DC-DC converter is employed to feed proposed AMLI topology. The DG output voltage (generally low voltage) is stepped up to the required level of voltage using high-gain DC-DC converter. Proposed AMLI topology consists of capacitors at the primary side. The output of high-gain DC-DC converter is fed to split voltage balance single-input multi-output (SIMO) circuit to maintain voltage balance across capacitors of AMLI topology. Cascaded DC-

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Rao, S. Nagaraja, D. V. Ashok Kumar, and Ch. Sai Babu. "Grid Connected Distributed Generation System with High Voltage Gain Cascaded DC-DC Converter Fed Asymmetric Multilevel Inverter Topology." International Journal of Electrical and Computer Engineering (IJECE) 8, no. 6 (2018): 4047–59. https://doi.org/10.11591/ijece.v8i6.pp4047-4059.

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The paper presents distributed generation (DG) system in grid connected mode of operation with asymmetric multi-level inverter (AMLI) topology. Cascaded type DC-DC converter is employed to feed proposed AMLI topology. The DG output voltage (generally low voltage) is stepped up to the required level of voltage using high-gain DC-DC converter. Proposed AMLI topology consists of capacitors at the primary side. The output of high-gain DC-DC converter is fed to split voltage balance single-input multi-output (SIMO) circuit to maintain voltage balance across capacitors of AMLI topology. Cascaded DC-

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Kang, Guohang, Wei Fang, and Mingyue Li. "Energy Balance Control of Energy Storage System Based on Improved Virtual DC Motor." Journal of Physics: Conference Series 2625, no. 1 (2023): 012021. http://dx.doi.org/10.1088/1742-6596/2625/1/012021.

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Abstract Energy storage units have a big role in microgrids. To enhance the inertia of the DC microgrid while achieving energy balancing of each energy storage system, an energy balancing control of the energy storage system with virtual DC motor characteristics is proposed. By adding the VDCM technique to the traditional constant voltage control and adding the SoC information of the respective energy storage system to the virtual armature induction potential of the armature loop equation in the VDCM control, compared to existing controls, this control method can enhance DC microgrid inertia w

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Zhao, Caihong, Guanglin Sha, Haoqing Wang, Pingkang Zheng, Ning Liu, and Qing Duan. "Coordinated Control of Multi-Port Power Router Based on DC Bus Voltage Droop Regulation." Energies 18, no. 5 (2025): 1243. https://doi.org/10.3390/en18051243.

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Coordinated operation among various converters within a power router (PR) is crucial for ensuring its normal operation. Since the power balance among converters in a DC PR is reflected by the DC bus voltage level, maintaining stable DC bus voltage control is particularly important as it directly affects the coordinated operation of each converter. This study proposes a coordinated control strategy for multi-port power routers based on DC bus voltage droop regulation, addressing the limitations of existing methods that rely on communication and complex control units. Based on DC bus voltage sig

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Hwang, Hyeonseok, Soo Hyoung Lee, Donghee Choi, Sangbong Choi, and Backsub Sung. "Voltage Stability Assessment of a Campus DC Microgrid Implemented in Korea as a Blockchain-Based Power Transaction Testbed." Energies 16, no. 21 (2023): 7297. http://dx.doi.org/10.3390/en16217297.

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Recently, the generalization of P2P (peer-to-peer) technology with enhanced security due to blockchain technology and the expansion of renewable energy-based distributed energy resources have led to blockchain technology being applied in power transactions, thus giving the potential to become a new platform for DC microgrid operation. Meanwhile, the voltage of a DC microgrid represents the balance of energy supply and demand and also serves as a stability index. The balance is represented as a steady state; the stability is represented during and after events. This paper examines the stability

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Pesce, Cristián, Javier Riedemann, Rubén Peña, Iván Andrade, Werner Jara, and Rodrigo Villalobos. "Decoupled Control for Double-T Dc-Dc MMC Topology for MT-HVdc/MVdc Grids." Applied Sciences 13, no. 6 (2023): 3778. http://dx.doi.org/10.3390/app13063778.

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This paper proposes a decoupled control of a dc-dc modular multilevel converter (MMC) based on a double-T topology intended for multi-terminal high voltage direct current (MT-HVdc) transmission systems or emerging distribution systems operating in medium voltage direct current (MVdc). The aim of the proposed control strategy is to obtain an input current with reduced harmonic content and to eliminate the output ac common-mode voltage, which is not allowed in MT-HVdc systems. The control strategy consists of injecting two circulating ac currents and two dc currents that allow the energy balance

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Yingwen, Long, and Sun Yuhong. "A novel filter for three-phase power factor correction voltage feedback loop under heavy DC voltage ripple condition." Indian Journal of Power and River Valley Development 70, no. 9&10 (2021): 156. http://dx.doi.org/10.18311/ijprvd/2020/27947.

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THD and the amplitude balance of three-phase input current are an important index for the performance of three-phase power factor correction (PFC). In general, when the hardware and the load of three-phase PFC are confirmed, the THD and amplitude balance of three-phase input current mainly depend on voltage and current feedback loop of PFC. Firstly, this paper designs the traditional voltage and current feedback loop for three-phase PFC according to traditional small signal theory. Secondly, this paper studies the designing difficulty of large dc voltage ripple for PFC voltage controller and p

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Woodward, Kathleen. "Work-Work Balance, Metrics, and Resetting the Balance." PMLA/Publications of the Modern Language Association of America 127, no. 4 (2012): 994–1000. http://dx.doi.org/10.1632/pmla.2012.127.4.994.

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In 1982, a year after i was appointed director of the center for twentieth century studies at the university of wisconsin, milwaukee (I had just received tenure), I met with a program officer at the National Endowment for the Humanities in Washington, DC. “Aren't you a little young to be the director of a humanities center?” he asked. Notwithstanding the inappropriateness of the question, my point is that thirty years later I'm still in the same position, albeit at the Simpson Center for the Humanities at the University of Washington, Seattle. In a sense I haven't moved. I have consistently ch

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Kriehuber, Ernst, Wolfgang Bauer, Anne-Sophie Charbonnier та ін. "Balance between NF-κB and JNK/AP-1 activity controls dendritic cell life and death". Blood 106, № 1 (2005): 175–83. http://dx.doi.org/10.1182/blood-2004-08-3072.

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The life cycle of dendritic cells (DCs) must be precisely regulated for proper functioning of adaptive immunity. However, signaling pathways actively mediating DC death remain enigmatic. Here we describe a novel mechanism of hierarchical transcriptional control of DC life and death. Ligation of tumor necrosis factor receptor superfamily (TNFR-SF) members on DCs and cognate contact with T cells resulted in quantitatively balanced nuclear factor-κB (NF-κB) and c-Jun N-terminal kinase (JNK)–mediated activator protein-1 (AP-1) induction and strongly enhanced DC longevity. Specific blockade of NF-κ

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Mahdavi, Mohammad Saeed, Mohammad Saleh Karimzadeh, Tohid Rahimi, and Gevork Babamalek Gharehpetian. "A Fault-Tolerant Bidirectional Converter for Battery Energy Storage Systems in DC Microgrids." Electronics 12, no. 3 (2023): 679. http://dx.doi.org/10.3390/electronics12030679.

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Battery energy storage systems (BESSs) can control the power balance in DC microgrids through power injection or absorption. A BESS uses a bidirectional DC–DC converter to control the power flow to/from the grid. On the other hand, any fault occurrence in the power switches of the bidirectional converter may disturb the power balance and stability of the DC microgrid and, thus, the safe operation of the battery bank. This paper presents a fault-tolerant topology along with a fault diagnosis algorithm for a bidirectional DC–DC converter in a BESS. The proposed scheme can detect open circuit fau

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Tan, Longcheng, Bin Wu, Venkata Yaramasu, Sebastian Rivera, and Xiaoqiang Guo. "Effective Voltage Balance Control for Bipolar-DC-Bus-Fed EV Charging Station With Three-Level DC–DC Fast Charger." IEEE Transactions on Industrial Electronics 63, no. 7 (2016): 4031–41. http://dx.doi.org/10.1109/tie.2016.2539248.

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Peresada, S. M., Y. O. Nikonenko, S. M. Kovbasa, A. Kuznietsov, and A. L. Lukianchikov. "DESIGN OF CASCADED VOLTAGE CONTROL SYSTEMS OF BIDIRECTIONAL DC-DC BUCK-BOOST CONVERTERS." Tekhnichna Elektrodynamika 2024, no. 1 (2024): 27–37. http://dx.doi.org/10.15407/techned2024.01.027.

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The paper deals with the design and analysis of cascaded DC-link voltage control systems for bidirectional buck-boost DC-DC converters. Its model is significantly nonlinear and non-minimum-phase, which makes it impossible to achieve high dynamic quality indicators using standard methods of linear control theory. A new method for design and analysis of DC-DC converters control systems based on partial feedback linearization and the subsequent application of linear PI voltage and current controllers is proposed. It provides that the resulting model is composed of the feedback inter-connected lin

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