Showing 261 - 280 results of 2,096 for search 'active power optimization', query time: 0.16s Refine Results
  1. 261

    Global Optimal Solving Algorithm for Power Distribution Based on Selective Harmonic Elimination in Cascaded H-Bridge Multilevel Inverters by Xingyue Qian, Jun Hao, Jiajia Xiao, Hanzhi Yang, Qi Zhang, Zhibao Yuan

    Published 2025-06-01
    “…The results of simulation analysis show the effectiveness of PD–SHE strategy and the superiority of PHC algorithm in solving the global optimal solution. Moreover, the reliability of the global optimal solution for PD–SHE strategy is verified via physical experiments in terms of harmonic elimination and active power distribution.…”
    Get full text
    Article
  2. 262

    Multi Time Scale Reactive Power and Voltage Optimization of Distribution Network Considering Photovoltaic Multi State Regulation Capability by Genye YANG, Rongfu SUN, Ran DING, Haixiang XU, Can CHEN, Linlin WU, Qifang CHEN, Mingchao XIA

    Published 2022-03-01
    “…It is aimed to improve the voltage deviation and fluctuation caused by the random volatility of photovoltaic (PV) by considering the coordination regulation ability between the distributed photovoltaic multi-operation state and the traditional reactive power regulation equipment. The active power and reactive power of PV, capacitor operation and reactor operation are coordinated to achieve the goal both in day-ahead optimization and minutes’ optimization. …”
    Get full text
    Article
  3. 263

    Parametric Optimization for Automatic Control System of Power Units of 300 MW for the Mode of Variable Pressure of Turbine Inlet Steam by G. T. Kulakov, A. T. Kulakov, K. I. Artsiomenka

    Published 2018-12-01
    “…The article deals with the problem of parametric optimization of automatic control systems for power units of 300 MW of Lukoml’skaya GRES in the mode of variable pressure of turbine inlet superheated steam. …”
    Get full text
    Article
  4. 264

    Parametric Optimization for Automatic Control System of 300 MW Power Units at a Constant Steam Pressure Upstream of the Turbine by G. T. Kulakov, A. T. Kulakov, K. I. Artsiomenka

    Published 2018-10-01
    “…The problem of parametric optimization of automatic control systems of power units (ACSPU) of 300 MW at the Lukoml’skaya GRES (Lukoml Condensing Power Plant) at a constant superheated steam pressure upstream of the turbine is under consideration. …”
    Get full text
    Article
  5. 265

    Sum Rate Maximization for Active RIS MISO Systems Based on DRL by Zhipeng Xi, Jianbo Ji

    Published 2025-01-01
    “…Finally, the algorithm can allocate suitable power to the active RIS while maintaining a constant total power, thereby optimizing the system performance.…”
    Get full text
    Article
  6. 266

    An Equivalent Dynamic Phasor Model for a Single-Phase Boost Power-Factor-Correction Converter by Udoka C. Nwaneto, Seyed Ali Seif Kashani, Andrew M. Knight

    Published 2025-01-01
    “…To mitigate harmonic current flow in distribution systems, single-phase diode-bridge rectifiers (DBRs) are commonly equipped with active power factor correction (PFC) controllers. …”
    Get full text
    Article
  7. 267

    Solving Power Supply Stability Issues in Remote Agricultural Areas Based on an Improved Sliding-Mode Active Disturbance Rejection Control Method by Boyan Huang, Kai Song, Tao Zhang, Zihui Lian, Hongxu Li, Dezhi Jin, Runjin Wang

    Published 2025-03-01
    “…The system integrates a hybrid energy storage system and photovoltaic power generation to optimize microgrid power compensation, ensuring the stability of the power supply to agricultural facilities and greenhouses. …”
    Get full text
    Article
  8. 268

    A robust Logistics-Electric framework for optimal power management of electrified ports under uncertain vessel arrival time by Ilias Sarantakos, Saman Nikkhah, Meltem Peker, Annabel Bowkett, Timur Sayfutdinov, Arman Alahyari, Charalampos Patsios, John Mangan, Adib Allahham, Eleni Bougioukou, Alan Murphy, Kayvan Pazouki

    Published 2024-03-01
    “…This paper presents a joint logistics-electric framework for optimal operation and power management of electrified ports, considering multiple uncertainties in the arrival time of vessels, network demand, and renewable power generation. …”
    Get full text
    Article
  9. 269

    Optimal Capacity Allocation of Heat Power Supply and Its Economic Analysis Considering Thermal Characteristics of Heat Energy System by Yanping XU, Yuehui HUANG, Yong SUN, Zheng CAO

    Published 2020-11-01
    “…China has actively carried out the pilot work for flexibility transformation of thermal power. …”
    Get full text
    Article
  10. 270

    Secure Satellite Downlink With Hybrid RIS and AI-Based Optimization by Mian Muhammad Kamal, Syed Zain Ul Abideen, Syed Sikandar Shah, Nabila Sehito, Salahuddin Khan, Bal S. Virdee, Mohammad Alibakhshikenari, Patrizia Livreri

    Published 2025-01-01
    “…The study formulates a robust joint design for satellite and RIS beamforming, aimed at maximizing the secrecy rate of the overall system. Both the active and passive elements of the RIS are optimized, taking into account practical models that reflect real-world constraints, such as outdated channel state information (CSI) and the power consumption of the system. …”
    Get full text
    Article
  11. 271

    Bidirectional Wireless Charging System for Electric Vehicles: A Review of Power Converters and Control Techniques in V2G Application by Subia Meraj, Saad Mekhilef, Marizan Binti Mubin, Harikrishnan Ramiah, Mehdi Seyedmahmoudian, Alex Stojcevski

    Published 2025-01-01
    “…The results demonstrate that advanced control strategies optimize power flow and enhance grid stability and reliability. …”
    Get full text
    Article
  12. 272

    Changes of EEG beta band power and functional connectivity during spaceflight: a retrospective study by Adrián Quivira-Lopesino, María Sevilla-García, Pablo Cuesta, Sandra Pusil, Ricardo Bruña, Patrique Fiedler, Ana Maria Cebolla, Guy Cheron, Michael Funke, Fernando Maestu

    Published 2025-04-01
    “…To investigate this, electroencephalography (EEG) is a reliable tool to study brain activity in space, measuring oscillatory activity and functional connectivity (FC). …”
    Get full text
    Article
  13. 273
  14. 274

    Distributed Frequency Control of Heterogeneous Resources-Powered Islanded Microgrid with Enhanced Economic Operation by Tianhui Meng, Wei Zhang, Jilai Yu, Ying Xu, Zhongqin Cai

    Published 2025-01-01
    “…For the upper optimal power-sharing layer, the distributed bisection algorithm is applied to obtain the optimal power sharing among heterogeneous resources. …”
    Get full text
    Article
  15. 275

    Three-level NPC Converter-based Neuronal Direct Active and Reactive Power Control of the Doubly Fed Induction Machine for Wind Energy Generation by Brahim Elkhalil Youcefa, Abdelakder Meroufel, Elkhalil Youcefa Brahim, Ahmed Massoum, Patrice Wira

    Published 2024-02-01
    “…Used in three level neutral point clamped (NPC) rectifiers, to directly control of the active and reactive power, switching vectors for rotor side converter were selected from the optimal switching table using the estimated stator flux position and the errors of the active and reactive power, also the grid side is controlled by direct power control based a grid voltage position to ensure a constant DC- link voltage. …”
    Get full text
    Article
  16. 276

    Optimization of Ultrasound-assisted Extraction of Roselle Flavonoids by Deep Eutectic Solvent and Its Antioxidant Activity by Luyao XU, Yang ZHAO, Yan WANG, Ruoxi GUO, Peng WANG, Lei ZHANG, Han ZHANG, Yuxin ZHAI, Ya'nan LIU

    Published 2025-08-01
    “…Furthermore, in vitro antioxidant assays were employed to assess the antioxidant activity of flavonoids derived from roselle. The optimal extraction process necessitated the following parameters: A choline chloride to lactic acid molar ratio of 1:2, a water content of 14%, a solid-liquid ratio of 1:41 g/mL, an ultrasonic power set at 360 W, an ultrasonic temperature of 40 °C, and an ultrasonic duration of 30 minutes, resulting in an extraction rate of 38.16 mg/g for roselle flavonoids. …”
    Get full text
    Article
  17. 277
  18. 278

    Optimization of extraction process and activity of protoilludane sesqui-terpene aryl esters from Floccularia luteovirens by ZHANG Xin, ZHU Qingyong, XU Huimin, WU Mengyuan, CHEN Xiao’e, CHEN Qihe, LIU Zhengjie

    Published 2023-12-01
    “…The results showed that ethyl acetate was the most suitable solvent for the extraction of protoilludane sesquiterpene aryl esters. The optimal extraction conditions for accessing protoilludane sesquiterpene aryl esters from F. luteovirens were as follows: solid-liquid ratio of 1∶33 (mass to volume), ultrasonic time of 33 min, and ultrasonic power of 166 W. …”
    Get full text
    Article
  19. 279

    Optimization of extraction conditions for chlorogenic acid extraction from honeysuckle waste residue and antioxidant activity by YUAN Yuxue, LI Chang, DAI Jiahe, MEN Deying, ZHAO Cunchao, TAO Liang, TIAN Yang

    Published 2024-03-01
    “…To study the extraction rate of chlorogenic acid from honeysuckle waste residue and its antioxidant activity changes after fermentation, honeysuckle waste residue was fermented by Bacillus subtilis and Aspergillus niger (1∶1), the extraction conditions were optimized using single factor and response surface tests, and the changes in antioxidant activity of honeysuckle extract before and after fermentation were investigated. …”
    Get full text
    Article
  20. 280

    Wind Turbine Enhancement via Active Flow Control Implementation by Marc Lahoz, Ahmad Nabhani, Mohammad Saemian, Josep M. Bergada

    Published 2024-12-01
    “…On a second stage of the paper, and considering one of the two airfoil sections, the boundary layer separation point previously determined is used to locate the SJ groove as well as the groove width; the three remaining AFC parameters, momentum coefficient, jet inclination angle, and jet pulsating frequency, are parametrically optimized. Thanks to the energy assessment presented in the final part of the paper, the study shows that a considerable power increase of the airfoil section can be obtained when attaching the former separated boundary layer. …”
    Get full text
    Article