Results 91 to 100 of about 3,398 (227)

Overvoltage analysis and suppression for the power collection system in the far-offshore wind farm with VSC-HVDC grid connection

电力工程技术
At present, the related research on the internal overvoltage of the power collection system is mostly about the offshore wind farms connected to the grid through high voltage AC transmission lines, but the far-offshore wind farms that are connected to ...
Wenjing CHENG, Ru'an DING, Tiebing LU
doaj   +1 more source

DC Overvoltage Suppression Strategy for MMC-MTDC Based on Bridge Arm Modulated Wave Adjustment

Zhongguo dianli
Modular multilevel converter based multi-terminal DC transmission (MMC-MTDC) system can realize multi-source power supplies and multi-terminal power-receiving.
Maolan PENG, Lei FENG, Yu WANG, Liqing XU, Wei ZHAO, Chunyi GUO   +5 more
doaj   +1 more source

Research on Coordinated Control of Dynamic Reactive Power Sources of DC Blocking and Commutation Failure Transient Overvoltage in New Energy Transmission

Energies
With the large-scale deployment of renewable energy, transmission systems for new energy sources are increasingly exposed to transient overvoltage issues induced by DC blockages and commutation failures. To address the challenges of an imprecise response
Shuqin Sun, Zhenghai Yuan, Dezhi Chen, Zaihua Li, Xiaojun Tang, Yunting Song, Guanghao Zhou   +6 more
doaj   +1 more source

Fire protection and recompression systems for a hypobaric research chamber Final report, Jul. - Dec. 1967 [PDF]

Fire detection-extinguishment and automatic rapid recompression systems for hypobaric spacecraft cabin ...
Brown, J. A., Brown, W., Ledoux, E., Mailloux, W., Metzger, C. A., Sayre, E. L.   +5 more
core   +1 more source

Overvoltage Suppression Strategy for VSG-Based DFIGs Under Commutation Failures of HVDC Transmission Systems

Energies
Virtual synchronous generator (VSG) control, which can provide inertia output, damp power oscillations, and offer frequency and voltage support to power grids, has become a growing trend in the control field of wind power generation. As a new technology,
Shuyi Wang, Qicai Wang, Zhijie Zeng, Wei Jiang, Jinyu Chen, Zhijun Wang   +5 more
doaj   +1 more source

Consideration of surge arresters for low voltage mains applications [PDF]

, 2012
The work presented in this report details the background to surge arresters and surge protective device components, viz., spark gaps, gas discharge tubes and metal oxide varistors.
Michalopoulos, Aristidis
core  

A Smart Grid Overvoltage Identification System Associated with Partial Discharge Signal and Dielectric Loss Detection. [PDF]

Sensors (Basel), 2023
Chen G, Zhu Y, Meng Z, Fang W, Xie W, Xu M, Li W.   +6 more
europepmc   +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  

The cadmium electrode: Review of the status of research [PDF]

Investigations characterizing the negative cadmium electrode used in a nickel cadmium battery cell are summarized with citations to references where more detailed information is available.
Glockling, R. J., Gross, S.
core   +1 more source

Testing of hydrogen sensor based on organic materials [PDF]

, 2011
Práce je zaměřena na problematiku bezpečnostních vodíkových senzorů. Základní principy a teorie vodíkových senzorů je rozebrána v první části práce.
Petrová, Lenka
core