Results 131 to 140 of about 45,889 (185)

Hybrid Multi-Infeed Receiver Line Longitudinal Protection Scheme Based on Voltage Waveform Comprehensive Distance Similarity. [PDF]

Sensors (Basel)
Gao S, Li X, Song G, Zheng H, Duan Y.
europepmc   +1 more source

A Piecewise Linearization Based Method for Crossed Frequency Admittance Matrix Model Calculation of Harmonic Sources. [PDF]

Sensors (Basel)
Yang Y, Wang S, Shi M, Zheng X.
europepmc   +1 more source

Systematic transformation of urban cold chain networks: From cross-regional dependencies to sustainable local excellence. [PDF]

PLoS One
Wang K, Fan K, Chen Y.
europepmc   +1 more source

Hybrid LCC-AAC HVDC transmission system [PDF]

Electric Power Systems Research, 2021
A hybrid HVDC transmission system based on a line-commutated converter (LCC) and an alternate arm converter (AAC) is developed in this article. The basic operation principles and control methods of the proposed LCC-AAC hybrid HVDC system are demonstrated
Pingyang Sun, Harith R. Wickramasinghe, Georgios Konstantinou   +2 more
exaly   +2 more sources

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Study on Initialization Strategy of LCC-HVDC System

2020 IEEE International Conference on High Voltage Engineering and Application (ICHVE), 2020
The initialization of line commutated converter based high voltage DC (LCC-HVDC) system is a difficult problem in the electromagnetic transient (EMT) simulation of large-scale AC-DC system. The traditional initialization method simulates the startup process of LCC-HVDC, which is not only time-consuming, but also difficult to match with the power flow ...
Xiaohui Ye, Yantao Zhang, Yong Tang, Yiming Lu, Guangxian Lyu, Jian Du   +5 more
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Modelling and Control of Multiterminal LCC HVDC

2018 IEEE PES/IAS PowerAfrica, 2018
Recent advances in the development and availability of multiple manufacturer for power electronics industries have made multiterminal-High Voltage Direct Current (HVDC) links possible and feasible. The multiterminal HVDC (MTDC) configuration is commonly referred to as ‘HVDC Grids’.
Oluwafemi E. Oni, Andrew G. Swanson, Rudiren Pillay Carpanen   +2 more
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An Accurate Small Signal Dynamic Model for LCC-HVDC

IEEE Transactions on Applied Superconductivity, 2021
This paper develops an accurate small signal model for line commutated converter based HVDC (LCC-HVDC). The overall process of the model establishment is demonstrated from five parts: AC system, DC system, control system, phase-locked loop (PLL) and the converter.
Yuqing Dong, Junpeng Ma, Shunliang Wang, Tianqi Liu, Xiang Chen, He Huang   +5 more
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The Area Comparison of LCC-HVDC and VSC-HVDC [PDF]

Science Discovery, 2017
With the mature of high power IGBT, VSC-HVDC technique is gradually adopted in principle power grid with higher voltage and capacity. At present, it is generally considered that compared with traditional HVDC technique, VSC-HVDC will save lots of land resources. However, it is not always the case.
exaly   +2 more sources

Modeling of LCC-HVDC systems using dynamic phasors

2015 IEEE Power & Energy Society General Meeting, 2014
This paper presents an average-value model of a line commutated converter-based HVDC system using dynamic phasors. The model represents the low-frequency dynamics of the converter and its ac and dc systems, and has lower computational requirements than a conventional electromagnetic transient (EMT) switching model. The developed dynamic-phasor model is
M. Daryabak, S. Filizadeh, J. Jatskevich, A. Davoudi, M. Saeedifard, V. K. Sood, J. A. Martinez, D. Aliprantis, J. Cano, A. Mehrizi-Sani   +9 more
openaire   +1 more source