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Optimal Siting of Electric Vehicle Charging Stations Based on Voronoi Diagram and FAHP Method

Energy and Power Engineering 2013年第4期5卷 1404-1409页

作者： zheci tang Chunlin Guo Pengxin Hou Yubo Fan State Key Laboratory of Alternate Electrical Power System with Renewable Energy Sources North China Electric Power University Beijing China

The electric vehicle charging station should be allocated based on traffic density, geographical distribution and other factors, and Voronoi diagram is adopted to set the service area of charging station. In combination with the actual situation of site selection of electric vehicle charging station, the comprehensive benefits index system is established. There are numerous factors influencing the site selection, among which there are uncertainty and fuzziness. The comprehensive evaluation method based on the fuzzy analysis and Analytical Hierarchy Process (AHP) is used to evaluate the comprehensive benefits in the site selection of electric vehicle charging stations, with the consultation of experts. This paper contributes to the best selection of comprehensive benefits and provides the reference for the decision-making of building the electric vehicle charging station. Actual examples show that the method proposed is effective.

关键词： Electric Vehicles Charging Station Voronoi Diagram Fuzzy-AHP Optimal Siting

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Impact Analysis of Off-board Charger to Power Quality

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Energy and Power Engineering 2013年第4期5卷 1337-1343页

作者： Yubo Fan Chunlin Guo Wenbo Qi zheci tang State Key Laboratory for Alternate Electrical Power System with Renewable Energy Sources North China Electric Power University Beijing China

In this paper, we tested the entire charging process of a single off-board charger in one charging station in Beijing. Among the testing data, we chose the typical power quality parameters and compared them with national standard. Then we drew conclusions as follows: 1) Electric vehicle battery is the capacitive load. It can export reactive power when charging. 2) In the charging process of the off-board charger, indicators of voltage deviation, frequency deviation, power factor, and voltage distortion rate are qualified. 3) Off-board charger produces odd harmonics in the charging process, and with increasing harmonic order, harmonic content reduces. There is a certain amount of high-order harmonic in off-board charger, mainly distributing around 6650 kHz. 4) Generated harmonics of the actual device, the harmonic is mainly reflected in the current, voltage, only a small distortion.

关键词： Electric Vehicles Charger Power Quality

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Impact of Electric Vehicle Charging on Power Load Based on TOU Price

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Energy and Power Engineering 2013年第4期5卷 1347-1351页

作者： Yubo Fan Chunlin Guo Pengxin Hou zheci tang State Key Laboratory for Alternate Electrical Power System with Renewable Energy Sources North China Electric Power University Beijing China

Large-scale electric vehicle charging has a significant impact on power grid load, disorderly charging will increase power grid peak load. This article proposes an orderly charging mechanism based on TOU price. To build an orderly charging model by researching TOU price and user price reaction model. This article research the impact of electric vehicle charging on grid load by orderly charging model. With this model the grid’s peak and valley characteristics, the utilization of charging equipment, the economics of grid operation can all be improved.

关键词： Electric Vehicles DSM TOU Price Orderly Charge Power Load

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一起110kV断路器合闸后自动分闸分析

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电力安全技术 2020年第5期22卷 23-24页

作者：于春雷孙锦秦福峰唐哲慈国网浙江省电力有限公司温州供电公司浙江温州325000

为保证电力系统可靠运行,针对某220 kV GIS变电站110 kV断路器合闸后自动分闸的故障进行分析,并根据故障原因提出了相应的防范措施,为其他变电站避免因此类问题导致事故停电提供借鉴,提高电网的供电可靠性。

关键词：断路器合闸分闸

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