Results 11 to 20 of about 1,998,341 (344)

Design and Development of 4500 V Trench Gate IGBT

Zhongguo dianli, 2020
In this paper, a 4500 V trench gate IGBT chip was developed, so as to improve the single chip current density as well as to master the technology of high voltage trench gate IGBT.
Li LI, Yaohua WANG, Mingchao GAO, Jiang LIU, Rui JIN   +4 more
doaj   +1 more source

Single-carrier transmission scheme for extracting characteristic parameters of 32-Point 6PolSK-QPSK

EURASIP Journal on Advances in Signal Processing, 2022
Six polarization-shift keying quadrature phase shift keying (6PolSK-QPSK) signal modulation format is formed by different representations of QPSK. A variety of satisfactory single-carrier transmission schemes have been implemented in 24-Point 6PolSK-QPSK.
Yupeng Li, Yichao Zhang, Lei Li, Mingzhu Zhang, Du Wu, Qianqian Li, Xiaoming Ding, Xiaocheng Wang   +7 more
doaj   +1 more source

Application of knowledge graph in power system fault diagnosis and disposal: A critical review and perspectives

Frontiers in Energy Research, 2022
Knowledge graph (KG) has good knowledge expression ability and interpretation, and its application to power system fault diagnosis and disposal can effectively integrate data of the whole life cycle of equipment and form a novel knowledge-driven ...
Qian Chen, Qiang Li, Jiyang Wu, Chizu Mao, Guangqiang Peng, Dianchu Wang   +5 more
doaj   +1 more source

Fault case analysis and simulation research of neutral-bus arresters multi-column parallel connected in converter station

The Journal of Engineering, 2018
High-voltage DC arrester is one of the key equipment for overvoltage protection of ultra-high voltage DC (UHVDC) transmission system. This device plays a decisive role in the insulation level of the whole process.
Dianlang Wang, Guogen Li, Long Jiang, Xiaowei Yang, Tianman Pi, Zhongkang Huang, Dong Li, Jie Zhang, Xiangyu Yaoi, Rongyu Su, Lihui Zhang   +10 more
doaj   +1 more source

Replacing Construction Technology of Corroded Ground Wire of 500 kV Line Across Three 220 kV Transmission Lines in the Same Gear

南方能源建设, 2022
[Introduction] With the increase of operation time of overhead transmission lines and the aggravation of aging and corrosion of equipment, the rusted ground wire replacement is significantly increased. Due to the large cross span of overhead transmission
ZHAO Gang, HE Sen, WEI Peicai, SONG Yunhai, QU Zhiyu   +4 more
doaj   +1 more source

Modeling Cascading Failures in the North American Power Grid [PDF]

, 2004
The North American power grid is one of the most complex technological networks, and its interconnectivity allows both for long-distance power transmission and for the propagation of disturbances.
Albert, Albert, Albert, Amaral, Callaway, Cohen, Cohen, Crucitti, Crucitti, Crucitti, Freeman, Goh, Holme, Latora, Latora, Moreno, Moreno, Motter, Motter, Motter, Name, Newman, Newman, P. Crucitti, R. Albert, R. Kinney, Smith, Sweet, V. Latora   +28 more
core   +2 more sources

Mayfly Optimization Algorithm–Based PV Cell Triple-Diode Model Parameter Identification

Frontiers in Energy Research, 2022
The maximum power output and control optimization analysis of photovoltaic (PV) systems are based on accurate and reliable PV cell parameter identification. However, its difficult problems such as high nonlinearity and multimodality have become obstacles
Nuo Chen, Wei Bi, Gentang Xu, Zongshi Wu, Mingwei Wu, Ke Luo   +5 more
doaj   +1 more source

A Cross-layer Perspective on Energy Harvesting Aided Green Communications over Fading Channels

, 2013
We consider the power allocation of the physical layer and the buffer delay of the upper application layer in energy harvesting green networks. The total power required for reliable transmission includes the transmission power and the circuit power.
Cao, Zhigang, Chen, Wei, Han, Zhu, Zhang, Tian   +3 more
core   +1 more source

Transmission Power Measurements for Wireless Sensor Nodes and their Relationship to the Battery Level [PDF]

, 2005
In this work we focus on the new generation EYESIFXv2 [1] wireless sensor nodes by carrying out experimental measurements on power related quantities.
Bellettini, C., Blom, S., Mazzini, G., Rossi, M., Sinigalliesi, A., Stabellini, L.   +5 more
core   +2 more sources

Intelligent Equipment Scheduling Optimization Model for Transmission Lines Based on Improved BFO Algorithm

EAI Endorsed Transactions on Energy Web
INTRODUCTION: In modern power systems, the optimization of intelligent equipment scheduling for transmission lines is a key task. OBJECTIVES: To improve the effectiveness of scheduling optimization, this study introduces an intelligent equipment ...
Wulue Zheng, Xin Zhang, Fuchun Zhang, Ning Wang, Yangliang Zheng, Zhi Wang   +5 more
doaj   +1 more source