Results 61 to 70 of about 17,565 (205)
IEEE Access, 2018 The converters and their control strategies play an important role in converting, transmitting, and improving the performance of high-voltage direct current (HVDC) system. There are different types of converter and their control strategies being employed
M. A. Hannan +8 more
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Energies, 2021 High-voltage direct current (HVDC) has received considerable attention due to several advantageous features such as minimum transmission losses, enhanced stability, and control operation.
Tarek Abedin +7 more
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High Voltage, EarlyView.ABSTRACT The harmonic current and vibration of a converter transformer are effective pieces of information for detecting mechanical faults in the winding. In this paper, the ratio of vibration acceleration to the current squared is defined as the vibration frequency response function (VFRF) of the winding, and then, a novel online vibration frequency ...
Shuyu Wu, Fan Zhang, Shengchang Ji
wiley +1 more source
Comparison between two VSC-HVDC transmission systems technologies : modular and neutral point clamped multilevel converter [PDF]
, 2009 The paper presents a detail comparison between two voltage source converter high voltage dc transmission systems, the first is based on neutral point-clamped (also known as HVDC-Light) and the second is based on innovative modular multilevel converter ...
Adam, G.P. +5 more
core
Multi-terminal HVDC grids with inertia mimicry capability [PDF]
, 2016 The high-voltage multi-terminal dc (MTDC) systems are foreseen to experience an important development in the next years. Currently, they have appeared to be a prevailing technical and economical solution for harvesting offshore wind energy. In this study,
Gharehpetian, Gevorg B. +4 more
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An Overview of HVDC Technology
Energies, 2020 There is a growing use of High Voltage Direct Current (HVDC) globally due to the many advantages of Direct Current (DC) transmission systems over Alternating Current (AC) transmission, including enabling transmission over long distances, higher ...
Neville R. Watson, Jeremy D. Watson
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Planning of Grid‐Interactive Flexibility Resources Under Carbon‐Emission Constraints
IET Smart Energy Systems, EarlyView.High renewable penetration drives the transition of power system planning; this study finds that carbon pricing promotes photovoltaic expansion, whereas deep decarbonisation necessitates diverse technologies and enhanced cross‐regional transmission. ABSTRACT High renewable penetration and stringent decarbonisation targets are reshaping power system ...
Shichang Cui +6 more
wiley +1 more source
Partial discharge behavior under operational and anomalous conditions in HVDC systems [PDF]
, 2017 Power cables undergo various types of overstressing conditions during their operation that influence the integrity of their insulation systems. This causes accelerated ageing and might lead to their premature failure in severe cases.
Azizian Fard, M. +3 more
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Research on protection adaptability and optimization scheme of VSC/LCC DC parallel hybrid system
AIP Advances, 2023 With the continuous development of high-voltage direct current (HVDC) technology and the relative concentration of power load and power, the HVDC parallel hybrid system will inevitably appear again.
A. Ting Wang +5 more
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A Call to Industry: Unearthing Synergies in Subsurface Storage Technologies
Greenhouse Gases: Science and Technology, EarlyView.ABSTRACT Subsurface storage technologies (SSTs), including geological CO2 sequestration, underground hydrogen storage, compressed‑air energy storage and thermal energy storage, are emerging as a scalable route for industry to achieve the terawatt‑hour storage flexibility and permanent carbon removal that evolving energy systems demand.
Julien Mouli‐Castillo +2 more
wiley +1 more source