Results 61 to 70 of about 6,051,817 (218)
Research on on-Site Test Method for Flexible HVDC Converter Valve Power Module
南方能源建设, 2019 [Introduction] In flexible HVDC transmission systems, HVDC converter valve power modules and their spares are tested and maintained at regular intervals.
CAI Ming +4 more
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Dynamic analysis of voltage angle droop controlled HVDC systems in curative congestion management scenarios [PDF]
EPJ Web of Conferences, 2019 The integration of the voltage-source converter based high voltage direct current (VSC-HVDC) system makes the set-point of its active power adaptive to the changes in the power flow, and contributes to the curative congestion management.
Zhou Yang, Dalhues Stefan, Häger Ulf
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A Novel AC/DC Power Flow: HVDC-LCC/VSC Inclusion Into the PFPD Bus Admittance Matrix
IEEE Access, 2022 In this paper, the matrix algorithm PFPD is generalized in order to compute the power flow solution of real and large AC/DC transmission networks. In particular, it is demonstrated that the HVDC-VSC/LCC links can be seen from the AC power systems as PV ...
Roberto Benato, Giovanni Gardan
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High Voltage, EarlyView.ABSTRACT Low‐frequency AC transmission holds promise for high‐voltage land cables, but its ampacity is significantly influenced by cable grounding methods and other structural factors. To explore the specific low‐frequency current‐carrying characteristics of high‐voltage land cables, this paper conducts a thorough theoretical analysis of the coupling ...
Yongpei Li +4 more
wiley +1 more source
MMC Stored Energy Participation to the DC Bus Voltage Control in an HVDC Link [PDF]
, 2016 The modular multilevel converter (MMC) is becoming a promising converter technology for HVDC transmission systems. Contrary to the conventional two- or three-level VSC-HVDC links, no capacitors are connected directly on the dc bus in an MMC-HVDC link ...
SAMIMI, Shabab +5 more
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IET Smart Energy Systems, EarlyView.The Graphical Abstract depicts the proposed Artificial Bee Colony algorithm‐based optimal tuning of PI controllers for back‐to‐back Voltage Source Converters in a hybrid wind–PV system. ABSTRACT This paper proposes a hybrid model‐based back‐to‐back voltage‐source converter (B2B‐VSC) system comprising a Photovoltaic (PV) array and a Permanent Magnet ...
Ch. Sreenu +3 more
wiley +1 more source
Power Electronic Converters Evolution In Transmission System: HVDC & FACTS Device [PDF]
E3S Web of ConferencesPower electronics have helped achieve this objective of increasing capacity while improving reliability and sustainability and reducing operating costs over the years. They have provided added flexibility and control to power systems.
Rao D. S. N. M. +4 more
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IET Smart Energy Systems, EarlyView.Increasing renewable penetration causes out‐of‐step oscillation centres to migrate away from renewable integration points. Two distinct migration modes—continuous drift and large‐range jumps with instability‐mode changes—are identified, providing guidance for adaptive splitting protection in future power systems.
Changsheng Chen +8 more
wiley +1 more source
Dynamic Covalent Chemistry Enables Self‐Healing and Compatibilization in Polypropylene Composites
ENERGY &ENVIRONMENTAL MATERIALS, Volume 9, Issue 5, September 2026.A high‐performance polypropylene insulation material is created through dynamic covalent crosslinking. It achieves exceptional dielectric properties, autonomous self‐healing, and easy recycling, offering a sustainable solution for future HVDC transmission systems.
Hongzhe Zhang +3 more
wiley +1 more source
Minimum Frequency and Voltage Stability Constrained Unit Commitment for AC/DC Transmission Systems
Applied Sciences, 2019 An increased use of the high-voltage direct current (HVDC) technologies can have important effects on frequency performance and voltage stability of the receiving-end grid during normal operation as well as during blocking failure.
Ningyu Zhang, Qian Zhou, Haoming Hu
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