Results 1 to 10 of about 6,211,757 (240)

Secondary Frequency Modulation Strategy for SiC Inverters Based on Periodic Spread Spectrum Modulation [PDF]

Sensors
This paper aims to design the modulation strategy of SiC motor controller for vehicles with low EMI, low device loss and low voltage/current ripple. The equivalent evaluation model of input voltage, output current and switching loss of the inverter under
Yanfei Cao, Junjie Su, Yan Yan, Zhichen Lin, Tingna Shi   +4 more
doaj   +5 more sources

Research on Real-Time Dynamic Allocation Strategy of Energy Storage Battery Participating in Secondary Frequency Modulation of Distribution Network

Energies, 2023
With the rapid growth of the power grid load and the continuous access of impact load, the range of power system frequency fluctuation has increased sharply, rendering it difficult to meet the demand for power system frequency recovery through primary ...
Yufei Rao, Gaojun Meng, Feng Zhang, Yue Chang, Junjun Xu, Congcong Qian   +5 more
doaj   +3 more sources

Study on Secondary Non-Differential Frequency Modulation Control Strategy of VSG in Islanding Mode

IEEE Access, 2023
The microgrid under VSG control is conducive to the security and stability of the microgrid system. However, it still belongs to the primary regulation of frequency, and the microgrid in islanding mode has the problem that the frequency cannot be ...
Wei Hu, Yu Shen, Jingyi Lun, Fan Yang, Shanglin Zhao   +4 more
doaj   +3 more sources

Secondary Transmission and Channel Estimation for Symbiotic Radio With Orthogonal Time Frequency Space Modulation

IEEE Open Journal of Vehicular Technology
Symbiotic radio (SR) holds promise for large-scale Internet of Things (IoT) networks by allowing both primary and secondary systems to share spectrum resources for mutually beneficial transmission.
Taoyu Xie, Siyao Li
doaj   +3 more sources

Capacity Planning and Operation Strategy of New PV-Storage Power Station Based on Frequency Modulation Service

Zhongguo dianli, 2023
In order to take full advantages of the new PV-Storage power station participating in power grid multi-time scale frequency modulation while considering the operation economy.
Guoming QIAN, Jie MENG, Haidong ZHU, Quan DING, Xiaoyu CHEN   +4 more
doaj   +1 more source

Virtual Synchronization Control Strategy for UHVDC with Secondary Frequency Modulation Based on PI Control

Zhongguo dianli, 2022
Under traditional control strategy, UHVDC transmission system lacks inertia and damping characteristics, so it can't effectively adjust the frequency of AC system dynamically.
Xiaolong GUO, Jiangfei ZHANG, Pengpeng KANG, Guixing YANG, Yiqian SUN, Tiejiang YUAN, Yong LIU   +6 more
doaj   +1 more source

Energy Storage Auxiliary Frequency Modulation Control Strategy Considering ACE and SOC of Energy Storage

IEEE Access, 2021
As more and more unconventional energy sources are being applied in the field of power generation, the frequency fluctuation of power system becomes more and more serious.
Gaojun Meng, Qingqing Chang, Yukun Sun, Yufei Rao, Feng Zhang, Yao Wu, Ling Su   +6 more
doaj   +1 more source

Study on Quantitative Evaluation Index of Power System Frequency Response Capability

Energies, 2022
Frequency stability is an important factor for the safety and stability of the power system operation. In a traditional power system, the operation stability is ensured by the inertia response, primary frequency modulation, and secondary frequency ...
Cheng Chi, Hai Zhao, Jiahang Han
doaj   +1 more source

Coordinated control of rotor kinetic energy and pitch angle for large‐scale doubly fed induction generators participating in system primary frequency regulation

IET Renewable Power Generation, 2021
This paper presents a control strategy of large‐scale wind‐thermal power joint primary frequency regulation. First, an integrated control strategy is established rotor kinetic energy control and pitch angle control for wind turbine generators ...
Peihong Yang, Bin He, Biao Wang, Xiaoling Dong, WenYing Liu, Jihong Zhang, ZhenKui Wu, Jing‐Xia Liu, Zhigang Qin   +8 more
doaj   +1 more source

Optimization Strategy of Wind Storage Joint Operation Considering Energy Storage Life and Participating in Frequency Modulation Service

发电技术, 2020
The joint operation of the energy storage system and the wind farm can not only track the wind power schedule output, but also participate in ancillary service of the power grid.
Sheng KUANG, Beibei WANG
doaj   +1 more source