Results 11 to 20 of about 3,119,521 (274)

Modeling of German Low Voltage Cables with Ground Return Path [PDF]

open access: yesEnergies, 2021
In this contribution, measurement data of phase, neutral, and ground currents from real low voltage (LV) feeders in Germany is presented and analyzed. The data obtained is used to review and evaluate common modeling approaches for LV systems.
Johanna Geis-Schroer   +6 more
doaj   +7 more sources

Experience with return voltage measurements for assessing insulation conditions in service aged transformers [PDF]

open access: yes2003 IEEE Power Engineering Society General Meeting (IEEE Cat. No.03CH37491), 2002
This paper describes the investigation of the insulation condition of a number of power and distribution type transformers of different manufacturing dates and with different operating histories. Return voltage measurements were conducted for these transformers.
Yao, Zheng Tong, Saha, Tapan K.
openaire   +4 more sources

Ground Return Current Behaviour in High Voltage Alternating Current Insulated Cables [PDF]

open access: yesEnergies, 2014
The knowledge of ground return current in fault occurrence plays a key role in the dimensioning of the earthing grid of substations and of cable sealing end compounds, in the computation of rise of earth potential at substation sites and in ...
Roberto Benato   +4 more
doaj   +4 more sources

Spiral Antenna Design and Analysis As a Tool to Measure Partial Discharge in High Voltage Equipment [PDF]

open access: yesE3S Web of Conferences, 2021
The high-voltage equipment often experiences disturbances caused by the age of the equipment, installation errors, partial discharge disturbances. Of these kinds of disturbances, partial discharge is one of the most common disturbances in high-voltage ...
Laksono Deni Tri   +2 more
doaj   +1 more source

Influence factors analysis of ionized field characteristics of Zhangbei ±500kV flexible direct current transmission lines [PDF]

open access: yesE3S Web of Conferences, 2021
The ionized field should be controlled in order to insure the environmental friendliness of high voltage direct current (HVDC) transmission lines. Different with traditional HVDC transmission lines, the metal return lines is first employed in Zhangbei ...
Zhang Jinlan   +4 more
doaj   +1 more source

Minimum Return Power Control for Three-Level Dual Active Hybrid Full-Bridge DC-DC Converters

open access: yesShanghai Jiaotong Daxue xuebao, 2023
Hybrid three-level full bridge (H-TLFB) DC-DC converters increase the input voltage range by introducing a three-level bridge arm. Aimed at the problems of large power return and high current stress in the traditional dual phase shift control, a minimum ...
TAO Haijun, ZHANG Jinsheng, XIAO Qunxing, ZHENG Zheng
doaj   +1 more source

Transferred Ground Potential Characteristics of Independent Ground Networks Caused by One Artificially Triggered Lightning

open access: yesZhongguo dianli, 2021
Based on 10 return strokes of one artificially triggered lightning T179, the interaction of two independent ground networks and the characteristics of transferred ground potential(TGP) under the action of lightning current are analyzed, and the energy of
Xuefen CAO   +5 more
doaj   +1 more source

Induced voltage at the closest pole on parallel line due to direct triggered lightning on 10 kV double circuit distribution line

open access: yesIET Generation, Transmission & Distribution, 2023
In 2019, triggered lightning was used to directly strike phase C of a 1.5 km, 10 kV double‐circuit distribution line in Guangzhou, China, with 2 flashes (13 return strokes) recorded.
Yating Zhao   +7 more
doaj   +1 more source

Design and Comparative Study of Voltage Regulation-Based 2-Tap Flexible Feed-Forward Equalizer for Voltage-Mode Transmitters

open access: yesIEEE Access, 2022
Herein, the analog-based, 2-tap feed-forward equalization (FFE) voltage-mode transmitter using dual supply/ground voltage regulation is presented.
Joo-Hyung Chae   +2 more
doaj   +1 more source

Electrical and Mechanical Condition Assessment of Low Voltage Unshielded Nuclear Power Cables Under Simultaneous Thermal and Mechanical Stresses: Application of Non-Destructive Test Techniques

open access: yesIEEE Access, 2021
Low voltage cables play a crucial role in the safe and reliable operation of nuclear power plants. This paper discusses the effect of simultaneous combined thermal and mechanical stresses on the overall insulation of unshielded low voltage power cables ...
Ramy S. A. Afia   +2 more
doaj   +1 more source

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