Showing 541 - 560 results of 735 for search 'active power optimization control', query time: 0.18s Refine Results
  1. 541

    Effect of microwave-ultrasonic synergistic aging technique on volatile flavor components of wine by SHAO Junfeng, SHAO Zhiming, DAI Yangjun

    Published 2025-04-01
    “…Under the conditions of ultrasonic power 260 W and microwave power 100 W, the optimal microwave-ultrasonic synergistic aging treatment for wine was aging at 40 ℃ for 20 min, and then at 15 ℃ for 20 min after 7 d.…”
    Get full text
    Article
  2. 542

    Research on Train Impulse Suppression Technology Based on Electronic Switch Ground Automatic Passing Neutral Section Device by Fan YANG

    Published 2019-11-01
    “…In view of the serious train impulse caused by the application of the power electronic switch automatic passing neutral section technology, a dynamic moment unloading and loading control strategy was proposed which was suitable for the very short-term network voltage interruption, to realize the train traction force maintaining during the power loss time to actively suppress the train impulse;The generation mechanism of inrush current of transformer under the condition of extremely short-time switching of different phase network voltage was revealed, and the active suppression strategy of inrush current suitable for different phase network voltage switching was put forward; an optimized phase-locked strategy was expounded based on the combination of fast single-phase phase-locked and traditional phase-locked loop with coordinate transformation, which could effectively solve the problems of abnormal train control and traction long recovery time under the condition of passing neutral section with electronic switch. …”
    Get full text
    Article
  3. 543

    Integration of a novel Vernier-DSPM generator in a grid connected hybrid renewable energy system with battery storage by Abderrahmane Redouane, Rachid Saou, Youcef Belkhier, Amrane Oukaour

    Published 2025-03-01
    “…An efficient Tip Speed Ratio (TSR) based sliding mode control (SMC) maximum power point tracking (MPPT) algorithm based on constant plus proportional rate reaching law is utilized to extract the optimal power from the wind turbine. …”
    Get full text
    Article
  4. 544

    Application Advances and Prospects of Ejector Technologies in the Field of Rail Transit Driven by Energy Conservation and Energy Transition by Yiqiao Li, Hao Huang, Shengqiang Shen, Yali Guo, Yong Yang, Siyuan Liu

    Published 2025-07-01
    “…This paper reviewed the recent advances, technical challenges, research hotspots, and future development directions of ejector applications in rail transit, aiming to address gaps in existing reviews. (1) In waste heat recovery, exhaust heat is utilized for propulsion in vehicle ejector refrigeration air conditioning systems, resulting in energy consumption being reduced by 12~17%. (2) In vehicle pneumatic pressure reduction systems, the throttle valve is replaced with an ejector, leading to an output power increase of more than 13% and providing support for zero-emission new energy vehicle applications. (3) In hydrogen supply systems, hydrogen recirculation efficiency exceeding 68.5% is achieved in fuel cells using multi-nozzle ejector technology. (4) Ejector-based active flow control enables precise ± 20 N dynamic pantograph lift adjustment at 300 km/h. …”
    Get full text
    Article
  5. 545
  6. 546

    Effect of osmotic dehydration on qualitative and nutritional characteristics and kinetics of microwave drying of Iranian Quince slices by Narges Layeghinia, Safoora Karimi, Habib Abbasi, Khadije Silavi

    Published 2025-04-01
    “…Additionally, Microwave power significantly influenced all color parameters of the samples. …”
    Get full text
    Article
  7. 547

    Voluntary hyperventilation-induced hypocapnia enhances wingate test performance without altering energy system contributions by Hasan Hüseyin Yılmaz, Süleyman Ulupınar, Fatih Kıyıcı, Necip Fazıl Kishalı, Cebrail Gençoğlu, Serhat Özbay, Çağrı Çiydem

    Published 2025-07-01
    “…Paired t-tests revealed that hyperventilation significantly increased relative peak power (12.7 ± 1.55 vs. 11.9 ± 1.05 W·kg⁻¹, p = 0.007) and mean power (9.0 ± 0.65 vs. 8.6 ± 0.67 W·kg⁻¹, p = 0.005) compared to control. …”
    Get full text
    Article
  8. 548

    Low-Frequency Ultrasound Assisted in Improvement in Cell Development and Production of Parasporal Crystals from <i>Bacillus thuringiensis</i> HD1 by Sufen Cui, Kaihui Shen, Shiqi Xiong, Xiao Li, Yue Wang, Xueqing Geng, Yujie Lu

    Published 2025-05-01
    “…The maximum biomass accumulation of <i>Bacillus thuringiensis</i> and parasporal crystal production yield were achieved following low-frequency ultrasonic (LFU) treatment applied during the logarithmic growth phase (18 h of cultivation) under optimized parameters: a frequency of 40 kHz, a power output of 176 W, and an irradiation duration of 45 min. …”
    Get full text
    Article
  9. 549
  10. 550

    A Compact, High Efficiency, and Portable Wireless EV Resonant Charger by Jasem Shahsevani, Reza Beiranvand

    Published 2025-06-01
    “…This paper presents a novel portable charger powered by an isolated split-core current clamp, enabling direct charging from power lines. …”
    Get full text
    Article
  11. 551
  12. 552
  13. 553

    Design and performance evaluation of low-voltage solid-state DCCB using capacitor-based surge mitigation techniques by Mehdi Moradian, Tek Tjing Lie, Kosala Gunawardane

    Published 2025-06-01
    “…Real-world modeling incorporating inductance on both the line and load sides is utilized throughout all experiments to assess realistic outcomes. The optimal surge absorption configuration will be chosen based on its ability to meet various criteria, including efficient operation, rapid response, minimal complexity on both power and control sides, and the involvement of active and passive components. …”
    Get full text
    Article
  14. 554

    A grid-forming energy storage damping strategy based on bidirectional proportional regulation by Yiqi Liu, HengKe Zhang, Yucheng Wu, Xiao Yu, Mingfei Ban, Gang Zheng, Jiawei Zhang

    Published 2025-04-01
    “…To address the challenge faced by grid-connected energy storage systems using the typical Virtual Synchronous Generator (TVSG) control strategy in balancing both steady-state and dynamic performance during active power reference changes and grid frequency disturbances, this paper proposes a bidirectional proportional damping control (BPDC) strategy. …”
    Get full text
    Article
  15. 555

    Dynamic Modeling and Simulation of Wind Turbine Unit Primary Frequency Regulation Considering Multi-domain Coupling Characteristics by Zhanyang JI, Yang HU, Lingxing KONG, Ziqiu SONG, Dan DENG, Jizhen LIU

    Published 2025-05-01
    “…During the rapid frequency regulation process of wind turbine units, the transient active power release can induce load fluctuations in aerodynamic, transmission, and tower components. …”
    Get full text
    Article
  16. 556

    Performance of Structure Equipped AP-TMD Compared with MTMD, ATMD, and PTMD against Earthquake Using Genetic Fuzzy Algorithm by F. Hadizadeh, F. Akhlaghi Amiri, H. Shariatmadar

    Published 2022-01-01
    “…In addition, using AP-TMD can bring the merits of both passive and active systems by providing active control and reducing power requirements for control forces. …”
    Get full text
    Article
  17. 557

    Climate-Responsive Design of Photovoltaic Façades in Hot Climates: Materials, Technologies, and Implementation Strategies by Xiaohui Wu, Yanfeng Wang, Shile Deng, Ping Su

    Published 2025-05-01
    “…Building integrated photovoltaic (BIPV) façades, which combine power generation and energy saving potential, require further optimization in their climate-adaptive design. …”
    Get full text
    Article
  18. 558

    ENERGY-EFFICIENT SMART MEDICAL BRACELET FOR ALZHEIMER’S PATIENT MONITORING BASED WIRELESS COMMUNICATION SYSTEM by Shahad Qassim Hadi, Mushtaq Ahmed Ali

    Published 2025-01-01
    “…On the software side, we implemented power management strategies through the deep sleep mode of the ESP32 microcontroller, which significantly reduces power consumption by placing the device in a near-off state, with only a single GPIO pin remaining active to control peripheral power. …”
    Get full text
    Article
  19. 559

    Application of the multiagent approach for modeling integrated energy systems by V. A. Stennikov, E. A. Barakhtenko, G. S. Mayorov

    Published 2021-03-01
    “…Based on the research results, the active structure of a multiagent system is proposed for the calculation and optimization of integrated energy systems and, taking into account their main features and properties, in the framework of which the agents of the multiagent system, their goals and objectives are determined. …”
    Get full text
    Article
  20. 560

    Research on AC–DC High-Frequency Interaction Mechanism and Valve-Side High-Frequency Oscillation Suppression Strategy of Flexible HVDC Converter by Liwu Tan, Yang Zhang, Yanan Wu, Yu An, Yuhan Huang

    Published 2025-01-01
    “…This approach is complemented by a dual-strategy control scheme combining switching frequency optimization and active damping techniques. …”
    Get full text
    Article