Results 31 to 40 of about 7,341,189 (200)

Review of the DC voltage coordinated control strategies for multi-terminal VSC-MVDC distribution network

The Journal of Engineering, 2019
The multi-terminal voltage sourced converter medium-voltage DC (VSC-MVDC) distribution network has high prospects for future development, hence the proposed alternative for the AC distribution in commercial and industrial applications.
Patrobers Simiyu, Ai Xin, Ai Xin, Girmaw T. Bitew, Muhammad Shahzad, Wang Kunyu, Luu K. Tuan   +6 more
doaj   +1 more source

Improved Step Response of Power System Stabilizer Using Fuzzy Logic Controller [PDF]

, 2014
As every power system is constantly being subjected to disturbances, we should see that these disturbances do not make the system unstable. Therefor additional signals derived from speed deviation, excitation deviation and accelerating power are injected
Kiran, N. (Nagulapati), Kumar, M. S. (M), Raju, M. N. (M)   +2 more
core   +1 more source

Correlating the Interfacial Polar-Phase Structure to the Local Chemistry in Ferroelectric Polymer Nanocomposites by Combined Scanning Probe Microscopy

Nano-Micro Letters, 2022
Highlights A strategy that combines multi-mode scanning probe microscopy-based electrical characterization and nano-infrared spectroscopy is developed. A series of samples with different coupling agents and nanoparticles are characterized to unveil the ...
Jiajie Liang, Shaojie Wang, Zhen Luo, Jing Fu, Jun Hu, Jinliang He, Qi Li   +6 more
doaj   +1 more source

Enhancing transmission and distribution system coordination and control in GB using power services from DERs

The Journal of Engineering, 2019
This study describes the technical principles behind the Power Potential innovation project in Great Britain (GB). The project aims to enable distributed energy resources (DERs) connected to the distribution network to provide services to the ...
Inmaculada Martínez Sanz, Biljana Stojkovska, Angela Wilks, Jonathan Horne, Ali R. Ahmadi, Tatiana Ustinova   +5 more
doaj   +1 more source

Data-driven Identification and Prediction of Power System Dynamics Using Linear Operators [PDF]

, 2019
In this paper, we propose linear operator theoretic framework involving Koopman operator for the data-driven identification of power system dynamics. We explicitly account for noise in the time series measurement data and propose robust approach for data-
Ajjarapu, Venkataramana, Huang, Bowen, Sharma, Pranav, Vaidya, Umesh, Vaidya, Umesh   +4 more
core   +4 more sources

Examination on the parameter stability region of the VSC control system in VSC-HVDC transmission systems

The Journal of Engineering, 2019
Nowadays, the voltage source converter (VSC)-based high-voltage direct current (HVDC) transmission technology is widely adopted for the integration of renewable power generations.
Long Xu, Guoyun Su, Wenjuan Du, Chen Chen, Bixing Ren, Haifeng Wang   +5 more
doaj   +1 more source

Nonlinear Dynamic Characteristics of Multidisk Rod Fastening Rotor with Axial Unbalance Mass Distribution

Shock and Vibration, 2022
During long-term operation, the blades of rod fastening rotor are very prone to fault and may cause uneven axial mass distribution. The dynamic characteristics of a multidisk rod fastening rotor with axial unbalance mass distribution are studied.
Li Zhao, Haosui Zhang, Yibing Liu, Chao Zhou   +3 more
doaj   +1 more source

Research on method of real-time performance optimization of Loongnix operation system based on Loongson 2K1000

Dianzi Jishu Yingyong, 2022
Because LoongnixOS is the time-sharing operating system, it cannot meet the requirement of high reliability in industrial automation application which requires to use real-time operating system(RTOS).
Yu Guanzhong, Wei Xiong, Tian Qingwang, Shi Xuming   +3 more
doaj   +1 more source

A remaining useful life prediction method based on PSR-former

Scientific Reports, 2022
The non-linear and non-stationary vibration data generated by rotating machines can be used to analyze various fault conditions for predicting the remaining useful life(RUL).
Huang Zhang, Shuyou Zhang, Lemiao Qiu, Yiming Zhang, Yang Wang, Zili Wang, Gaopeng Yang   +6 more
doaj   +1 more source

Extreme Operation Mode Extraction Method Based on Convex Hull Algorithm

Zhongguo dianli
In the context of safety and stability calculation in power system planning and operation, the operation mode that is the most unfavorable to safety and stability is generally selected for verification.
Yanping XU, Jie BAI, Haobo SHI, Xiaohui QIN, Yantao ZHANG   +4 more
doaj   +1 more source