Results 41 to 50 of about 4,922,386 (131)
Analysis of the Chilean Power System Performance Considering a Long-Distance HVDC Transmission Line
, 2023 This paper analyzes the effect that the connection of a 1400 km, \pm 600 \kV HVDC transmission line will have on the operation of the Chilean National Electrical System.
Reyes S. +3 more
core +1 more source
High Voltage, EarlyView.ABSTRACT To effectively suppress transient overvoltages in HVDC systems, the design and experimental validation of a multi‐module series controllable arrester are presented. The voltage‐limiting performance, series voltage equalisation capability, and robustness under fault conditions in high‐voltage scenarios require further research.
Tai Yang +4 more
wiley +1 more source
IET Power ElectronicsIn a modular multilevel converter (MMC) system, the sub‐module capacitors account for a large proportion of the cost, volume, and weight. This paper proposed a method to reduce the total capacitance of MMC based on the combination of boosting the ...
Hongxu Li +5 more
doaj +1 more source
High Voltage, 2020 This study presents an investigation of the impact of the quasi-stationary voltage support provided by a voltage source converter (VSC) connected to a single point of a power system.
Arcadio Perilla +9 more
doaj +1 more source
High Voltage, EarlyView.ABSTRACT This paper provides an overview of high‐temperature superconducting (HTS) cables in DC systems, with a focus on their deployment in high‐voltage DC (HVDC) networks. The assessment of HTS cable properties—such as extremely low electrical resistance, high current‐carrying capacity and a compact geometry—and their comparison with those of ...
Mohammad Hossein Mousavi +2 more
wiley +1 more source
Research Progress in Treeing Phenomena of Polypropylene Insulation Materials
High Voltage, EarlyView.ABSTRACT Polypropylene (PP) is increasingly utilised in high‐voltage systems due to its superior electrical and thermal properties. However, electrical treeing poses a significant threat to its long‐term reliability, potentially leading to insulation failure.
Boxue Du, Heyu Wang, Zhonglei Li
wiley +1 more source
IET Power ElectronicsThe voltage reinjection strategy is an effective solution to improve the voltage quality of the voltage source inverters for high‐power applications.
Saeed Najafpour, Reza Ghandehari
doaj +1 more source
The Journal of Engineering, 2019 The current source converter (CSC)-HVDC system is the key technology for long distance large power transmission. However, the traditional CSC-HVDC has two serious shortcomings: (i) vulnerable to commutation failures; and (ii) not being able to control ...
Haitao Wu +4 more
doaj +1 more source
Advanced Sensing Materials and Their Applications for Power Sensors
High Voltage, EarlyView.ABSTRACT The construction of new‐generation power systems imposes stringent requirements on the safety and reliability of critical equipment, making accurate state perception essential for grid security and digital transformation. Sensing materials fundamentally determine sensor performance in terms of sensitivity, bandwidth, environmental adaptability
Weigen Chen +8 more
wiley +1 more source
Applicability analysis of travelling wave protection for the hybrid HVDC system
The Journal of Engineering, 2019 The hybrid high-voltage direct current (HVDC) system, in which the rectifier is made up of the line commutated converter (LCC) and the inverter is composed of the modular multilevel converter (MMC), has quite different fault characteristics from the ...
Shaojie Cheng +3 more
doaj +1 more source