Search Results - "Lian-Guang Liu"

Geomagnetically Induced Currents in the High-Voltage Power Grid in China by Chun-Ming Liu, Lian-Guang Liu, Pirjola, R.

“…With the operation of long transmission lines, unknown severe vibration and noise in transformers have sometimes been observed at the Shanghe substation and at…”
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Effects of System Characteristics on Geomagnetically Induced Currents by Kuan Zheng, Boteler, David, Pirjola, Risto J., Lian-guang Liu, Becker, Richard, Marti, Luis, Boutilier, Stephen, Guillon, Sebastien

“…The geomagnetically induced currents (GICs) produced in power systems during magnetic storms are a function of the electric-field amplitude and direction, and…”
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Impact of the EHV Power System on Geomagnetically Induced Currents in the UHV Power System by Shi-Xiao Guo, Lian-Guang Liu, Pirjola, Risto J., Kai-Rang Wang, Bo Dong

“…Earlier calculations of geomagnetically induced currents (GICs) in Chinese power grids have mainly concentrated on the highest voltage-level system whose…”
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Effects of Geophysical Parameters on GIC Illustrated by Benchmark Network Modeling by Kuan Zheng, Trichtchenko, L., Pirjola, R. J., Lian-Guang Liu

“…Geomagnetically induced currents (GICs) are identified as a potential hazard to power grids. Significant progress in understanding the physical processes…”
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A Mitigation Method Based on the Principle of GIC-Even Distribution in Whole Power Grids by Zhang, Shu-Ming, Liu, Lian-Guang

“…The geomagnetically induced currents (GIC) caused by geomagnetic storms can inflict the anomalous operation of power systems, damaging electrical equipment, or…”
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GIC Influence on UHV Power Grids Based on Kalman Filter and WAMS Data by Zhang, Shuming, Liu, Lian-Guang, Li, Hongpeng

“…Geomagnetically induced currents (GICs) flowing through transformers affect their normal operation and can lead to accidents in power grids. The reactive power…”
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A Safety Evaluation Method for a Power System Influenced by a Geomagnetic Storm by Zhang, Shu-Ming, Liu, Lian-Guang

“…Geomagnetic storm disasters have a significant impact on the safe and stable operation of power systems. Serious geomagnetic storm disasters can lead to…”
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Research on the GIC Governance Scheme of the Xinjiang 750-kV Power Grid Based on an Equal Allocation Method by Zhang, Shu-Ming, Liu, Lian-Guang

“…The damage caused to power grid by geomagnetic storm increases with an increase in the grid voltage level and an increase in the grid coverage area. Xinjiang…”
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Geoelectric Fields Due to Small-Scale and Large-Scale Source Currents by Kuan Zheng, Pirjola, R. J., Boteler, D. H., Lian-guang Liu

“…Geomagnetically induced currents (GIC) produced by the geoelectric fields at the earth's surface may affect the normal operation of power systems. These…”
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Research on power system static voltage stability considering geomagnetic disturbances effect by Yang, Pei‐Hong, He, Bin, Kang, Lan, Dong, Xiao‐Ling, Liu, Lian‐Guang

“…The reactive power losses caused by the power grid Geomagnetically Induced Current (GIC) severely disturb the static voltage stability of power systems, and…”
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A novel limiting strain energy strength theory by 刘光连

“…With applied dislocation theory, the effects of shear and normal stresses on the slide and climb motions at the same section of a crystal were analyzed. And,…”
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A multi-objective reactive power optimization strategy for mitigating voltage fluctuation in power network caused by geomagnetic storm by Yang, Pei-Hong, Liu, Lian-Guang, Zheng, Xu-Peng, Han, Xiao-Feng, Feng, Shi-Wei

“…Geomagnetically induced currents through the transformer windings produce biases of transformers, increase transformer reactive power losses, and lead to a…”
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Calculation analysis of geomagnetically induced currents with different network topologies by Kuan Zheng, Lian-guang Liu, Boteler, David, Pirjola, Risto

“…The topology of the power system significantly affects the amplitudes of geomagnetically induced currents (GIC) and their flow in the network. In this paper,…”
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Preliminary estimate of GIC risk in China's future power grid due to geomagnetic disturbance by Lian-Guang Liu, Wei-Li Wu, Kuan Zheng

“…During the 23rd solar cycle, there are a few adverse impact events on power grid due to geomagnetic disturbance (GMD) occurred in the economically developed…”
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Effects of T-stresses on fracture initiation for a closed crack in compression with frictional crack faces by Li, Xian-Fang, Liu, Guang-Lian, Lee, Kang Yong

“…This paper studies crack extension resulting from a closed crack in compression. The crack-tip field of such a crack contains a singular field relative to K II…”
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Preliminary Analysis on the Interplanetary Cause of Geomagnetically Induced Current and Its Effect on Power Systems by Kai-rang, WANG, Lian-guang, LIU, Yan, LI

“…Using the detected events of geomagnetically induced current (GIC) in the Ling’ao nuclear power plant from 2004 to 2005, and focusing on the interplanetary…”
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Voltage stability in a long-distance power transmission system impacted by the geoelectric field due to a geomagnetic disturbance by Wu, Wei-li, Liu, Lian-guang, Liu, Chun-ming

“…The voltage stability problem in long-distance transmission systems can be exacerbated by geomagnetic disturbance (GMD) even in middle and low latitude areas…”
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A Study of the Characteristics of the Induced Geoelectric Field of Geomagnetic Storms in March 1989 by Yang, Yi-Lin, Wang, Ze-Zhong, Liu, Lian-Guang

“…On March 13, 1989, the geomagnetic field disturbance (GMD) of an intense geomagnetic storm caused a power blackout in Canada. It is necessary to study whether…”
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Geomagnetically Induced Currents in electric power transmission networks at different latitudes by Pirjola, Risto, Chun-ming Liu, Lian-guang Liu

“…"Space Weather" refers to electromagnetic and particle conditions in the near-Earth space that may disturb and damage ground-based and space-borne…”
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GIC prediction based on the polynomial distribution lag model by Feng-Xia He, Xue-Ling Mu, Lian-Guang Liu

“…The authors establish the polynomial distribution lag model of GIC about the geomagnetic level change rate based on the geomagnetic data and GIC measuring data…”
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