Results 21 to 30 of about 6,324,147 (316)
Bipolar DC Power Conversion: State-of-the-Art and Emerging Technologies
IEEE Journal of Emerging and Selected Topics in Power Electronics, 2021 This article provides a detailed analysis of the power electronics solutions enabling bipolar dc grids. The bipolar dc grid concept has proven to be more efficient, flexible, and higher in quality than the conventional unipolar one.
S. Rivera +4 more
semanticscholar +1 more source
Energy Reports, 2023 With rapid development of HVDC transmission system, the coupling relationship between the AC and DC power grid has become increasingly stronger. Especially, the problem of voltage instability is prominent in HVDC receiving-end system, the dynamic ...
Fan Xiao +5 more
doaj +1 more source
Strategic Framework for New Electric Power System Development under the Energy Security Pattern
中国工程科学, 2023 The construction of a new electric power system is the key path to achieve the carbon peaking and carbon neutrality goals and ensure energy transition security.
Tang Guangfu +9 more
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Scientific Reports, 2021 5G has been designed for blazing fast and low-latency communications. To do so, mm-wave frequencies were adopted and allowed unprecedently high radiated power densities by the FCC. Unknowingly, the architects of 5G have, thereby, created a wireless power
A. Eid, J. Hester, M. Tentzeris
semanticscholar +1 more source
Large-Signal Stability Criteria in DC Power Grids With Distributed-Controlled Converters and Constant Power Loads [PDF]
IEEE Transactions on Smart Grid, 2020 The increasing adoption of power electronic devices may lead to large disturbance and destabilization of future power systems. However, stability criteria are still an unsolved puzzle, since traditional small-signal stability analysis is not applicable ...
Fang-Yuan Chang +4 more
semanticscholar +1 more source
Review of the development of multi-terminal HVDC and DC power grid
, 2017 Traditional power equipment, power-grid structures, and operation technology are becoming increasingly powerless with the large-scale renewable energy access to the grid.
Y.-X. Chen
semanticscholar +1 more source
Research on key technologies in ±1100 kV ultra-high voltage DC transmission
High Voltage, 2018 Based on completely mastering ±800 kV transmission technologies, the first ±1100 kV direct current (DC) transmission demonstration project is being constructed in China.
Zehong Liu +4 more
doaj +1 more source
IEEE Access, 2019 The blocking of large-capacity HVDC or the tripping of AC transmission lines by accident will cause power flow transfer sharply and increase the risk of cascading faults in AC/DC hybrid power grid.
Jian Hu +3 more
semanticscholar +1 more source
Research on DC grid control and analysis method based on pilot voltage
The Journal of Engineering, 2019 DC voltage control is one of the key technologies of DC power grid operating control. Here, the local voltage measurement is replaced by the pilot voltage in traditional droop control, and the droop control based on the pilot voltage is applied to the DC
He Wang +4 more
doaj +1 more source
Control strategy of doubly-fed induction generator during the grid voltage swell
The Journal of Engineering, 2018 This study firstly derives the relationship between the grid voltage and the rotor current of doubly-fed induction generator (DFIG) during the grid voltage swell.
Zou Le +5 more
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