Results 51 to 60 of about 1,013 (174)

MULTIVULATED FREQUENCY-REGULATED ELECTRIC DRIVE OF CORD WRAPPING LINE

Известия высших учебных заведений: Проблемы энергетики, 2018
The urgency of the work is due to the need to develop a multi-motor frequency-controlled electric drive for cord clipping lines. The study of the construction of energy-efficient multi-motor drives, with the help of reversible frequency converters, which
S. N. Sidorov, N. I. Gorbachevsky, E. N. Gavrilov   +2 more
doaj   +1 more source

Optimization of reactive power in high-voltage AC transmission systems for long-distance offshore wind power using high-voltage shunt adjustable reactor

International Journal of Electrical Power & Energy Systems
High-voltage shunt reactor (HVSR) is essential for the high-voltage AC transmission system of long-distance offshore wind power to achieve in-situ reactive power balancing and to limit industrial frequency overvoltage.
Li Peng, Kanghang He, Longfu Luo, Jingyu Yang   +3 more
doaj   +1 more source

Study on the Influence of Grounding Resistance on Cable Fault Overvoltage

Energies
The cable grounding connecting method and grounding resistance have a significant influence on the cable fault overvoltage. This paper considers a 500 kV long cable project in Beijing as the research object; a model was implemented in ATP-EMTP, and ...
Baotong Song, Sihan Wang, Changyuan Xiang, Xiaoyue Chen, Ju Tang   +4 more
doaj   +1 more source

Study on Formation and Control of Resonance Overvoltage of Overhead Contact System in Huaihua Railway Hub Area

机车电传动, 2020
Aiming at the accidents of high-voltage electrical equipment in electric locomotive such as burn out of resistance-capacity absorption device, explosion damage of arrester, DC over-voltage of converter led by overhead line resonant overvoltage happening ...
Limin FENG
doaj  

Establishment Mechanism of Power-Frequency Follow-Current Arc on Medium-Voltage Insulated Conductors Under Lightning Overvoltage [PDF]

Xin Ning, Rui Yu, Longchen Liu, Jiayi Wang, Jingxin Zou, Haiou Wang, Tian Tan, Huajian Peng, Xin Yang   +8 more
openalex   +1 more source

Research on motor overvoltage issues in metallurgical environments using three-level inverters

Metalurgija
Industries such as nuclear power plants and underground mining are characterized by space constraints,forcing the use of long-wire cables to power motors.The impedance mismatch between long-wire cables and motors leads to overvoltage phenomena at motor ...
L. L. Meng, W. Dai
doaj  

Research on the Influence of Power Grid on the Operation of Voltage Source Inverter

Kongzhi Yu Xinxi Jishu, 2017
Three-phase input current unbalance is often happened in inverters, which causes devices damaged by overvoltage or over-current. Influences of grid unbalance, line impedance and multi-load on voltage source inverter and their mechanisms were analyzed ...
WANG Lucheng, HE Donglin, ZHANG Fengjiang   +2 more
doaj  

Research on ferromagnetic resonance type recognition of support vector machine based on chaos theory

AIP Advances
This study presents an innovative method for identifying ferroresonant overvoltage types in power systems by integrating chaos theory with support vector machine classification.
Yuliang Zhang, Na Liu, Xiao Chen, Yujie Chen, Haozhi Qin   +4 more
doaj   +1 more source

High-resolution Dataset of Electric Vehicle Charging Responses Under Varied Power Quality Disturbances. [PDF]

Sci Data
Li H, Zhang Y, Yang S, Liu X.
europepmc   +1 more source

Hybrid Forecast-Enabled Adaptive Crowbar Coordination for LVRT Enhancement in DFIG Wind Turbines. [PDF]

Entropy (Basel)
Su X, Kim H, Kim C, Zhang M, Jung H.
europepmc   +1 more source