Results 141 to 150 of about 32,780 (214)

Study on the Space Charge Characteristics of Polypropylene Insulation Material Under a Polarity Reversal Electric Field. [PDF]

Polymers (Basel)
Dong X, Bao G, Wang W.
europepmc   +1 more source

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Overcurrent protection for high voltage direct current (HVDC) distribution systems

Intelec 2012, 2012
A consideration of short-circuit protection in high voltage direct current (HVDC) distribution system is written in this paper. There are some types of energy sources in HVDC system, and the behavior of short-circuit current is affected by the way to rectify. Therefore, it may be more complicated to protect short-circuit in HVDC system than it is in AC
Masatoshi Noritake, Tomohito Ushirokawa, Keiichi Hirose, Masato Mino   +3 more
openaire   +2 more sources

High Voltage Direct Current (HVDC) electric power transmission systems

2013
HVDC is a technology which has been used for longdistance bulk power transfer, connecting different synchronous zones or submarine connections. Lately, HVDC has experienced a revival. In Europe, this revival is being driven by the strong increase in generation from renewable energy sources, the liberalization of the energy system, and the diffi culty ...
D. Van Hertem, M. Delimar
semanticscholar   +4 more sources

Introduction to High Voltage Direct Current (HVDC) Technology

HVDC Transmission +1, 2021
openaire   +2 more sources

A traveling-wave-based protection scheme for the bipolar voltage source converter based high voltage direct current (VSC-HVDC) transmission lines in renewable energy integration

, 2021
— The voltage source converter based high voltage direct current (VSC-HVDC) technology is a feasible solution to realize wide-area complementarity and flexible consumption of the renewable clean energy resources but DC line faults are crucial problems ...
Yuhan Zhang, Shunliang Wang, Tianqi Liu, Shenmin Zhang, Qi Lu   +4 more
semanticscholar   +1 more source

Partial discharge behavior of protrusion on high voltage conductor in GIS/GIL under high voltage direct current: Comparison of SF6 and SF6 alternative gases

IEEE transactions on dielectrics and electrical insulation, 2020
Recent studies have demonstrated that fluoronitrile (FN) Novec™ 4710 and fluoroketone (FK) Novec™ 5110 show higher dielectric strength than SF6. These gases can be mixed with a buffer gas such as CO2 and technical air to have suitable dielectric ...
C. Toigo, T. Vu-Cong, F. Jacquier, A. Girodet   +3 more
semanticscholar   +1 more source

A Method for the Indirect Detection of Audible Noise From High-Voltage Direct Current Transmission Lines

IEEE Transactions on Instrumentation and Measurement, 2020
Corona discharge will occur on high-voltage direct current (HVDC) transmission lines with the increase in voltage level, accompanied by audible noise, radio interference, and other phenomena.
Yingyi Liu, Jiahuan Xv, Yuanqing Liu, Haiwen Yuan, Yong Cui   +4 more
semanticscholar   +1 more source

Opportunities for Embedded High-Voltage Direct Current: Evaluating the Benefits for the Legacy ac Grid

IEEE Power and Energy Magazine, 2020
Power system engineers and planners often consider high-voltage dc (HVdc) systems for bulk power transmission over long distances. There are two technologies within HVdc: line-commutated converters (LCC-HVdc) and voltage-source converters (VSC-HVdc ...
Kevin Schonleber, A. Oudalov, A. Krontiris, P. Lundberg   +3 more
semanticscholar   +1 more source

Flexible operation of low-inertia power systems connected via high voltage direct current interconnectors

, 2020
The replacement of conventional synchronous generators with converter-interfaced generation units calls for increased amounts of flexibility. This paper proposes a novel formulation of the security-constrained unit commitment (SCUC) model applied to a ...
V. Trovato, A. Mazza, G. Chicco
semanticscholar   +1 more source