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公开(公告)号:US20200086753A1
公开(公告)日:2020-03-19
申请号:US15750879
申请日:2017-12-12
申请人: STATE GRID CHONGQING ELECTRIC POWER CO. ELECTRIC POWER RESEARCH INSTITUTE , STATE GRID CHONGQING ELECTRIC POWER COMPANY , STATE GRID CORPORATION OF CHINA
发明人: Xingzhe HOU , Bin ZHU , Yuechun LV , Guojun HE , Zhi LI , Yongxiang LIU , Hongliang SUN , Yi LONG , Jing ZHANG , Huicai WANG , Tingting XU , Li ZHOU , Lin GONG , Yongliang JI
摘要: A method for charging an electric vehicle includes steps that a master device sorts multiple received charging request information according to a preset sorting rule, where the charging request information includes position information of the electric vehicle to be charged; the master device sends a charging instruction to a charging system according to a sorting result; the charging system receives and processes the charging instruction and then transmits the charging instruction to an automated guided vehicle; and the automated guided vehicle travels, according to the position information, to a position of the electric vehicle to be charged, and charges the electric vehicle to be charged.
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公开(公告)号:US20200215927A1
公开(公告)日:2020-07-09
申请号:US15751972
申请日:2017-12-12
申请人: STATE GRID CHONGQING ELECTRIC POWER CO. ELECTRIC POWER RESEARCH INSTITUTE , STATE GRID CHONGQING ELECTRIC POWER COMPANY , STATE GRID CORPORATION OF CHINA
发明人: Xingzhe HOU , Bin ZHU , Jianguo WANG , Guojun HE , Zhi LI , Yongxiang LIU , Hongliang SUN , Yi LONG , Jing ZHANG , Huicai WANG , Tingting XU , Li ZHOU , Lin GONG , Yongliang JI
IPC分类号: B60L53/35 , B60L53/18 , B60L53/16 , B60L53/66 , H02J7/02 , G06Q50/06 , G06Q20/08 , G06Q10/06 , G05B15/02
摘要: A charging method includes that after receiving a charging request, a master control device arranges a parking space for an electric vehicle to be charged and sends a traction device a movement instruction generated from the charging request; the traction device drives, according to the movement instruction, a charging controller to move along a guide rail to above the electric vehicle to be charged; the master control device sends a cable transferring instruction to a cable transferring device and the cable transferring device starts to lower a cable; after the cable transferring device lowers the cable to a preset position, the master control device sends a stop instruction to the cable transferring device and the cable transferring device stops lowering the cable; and the cable charges the electric vehicle to be charged.
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公开(公告)号:US20200086754A1
公开(公告)日:2020-03-19
申请号:US15750892
申请日:2017-12-12
申请人: STATE GRID CHONGQING ELECTRIC POWER CO. ELECTRIC POWER RESEARCH INSTITUTE , STATE GRID CHONGQING ELECTRIC POWER COMPANY , STATE GRID CORPORATION OF CHINA
发明人: Xingzhe HOU , Yi LONG , Liankai CHEN , Guojun HE , Zhi LI , Yongxiang LIU , Hongliang SUN , Bin ZHU , Jing ZHANG , Huicai WANG , Tingting XU , Li ZHOU , Lin GONG , Xiaorui HU
摘要: A method for charging an electric vehicle is provided. The method includes that a mobile charging apparatus transmits its own status information to a centralized battery distribution station; the centralized battery distribution station determines, according to the received status information, whether power of a battery of the mobile charging apparatus is less than a first threshold; if the power of the battery of the mobile charging apparatus is less than the first threshold, the battery of the mobile charging apparatus is processed so that the power of the battery of the mobile charging apparatus is greater than a second threshold, wherein the second threshold is greater than the first threshold; and if the power of the battery of the mobile charging apparatus is not less than the first threshold, the mobile charging apparatus charges the electric vehicle.
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公开(公告)号:US20160274155A1
公开(公告)日:2016-09-22
申请号:US14412675
申请日:2014-03-04
申请人: STATE GRID CORPORATION OF CHINA (SGCC) , STATE GRID CHONGQING ELECTRIC POWER CO. ELECTRIC POWER RESEARCH INSTITUTE , CHONGQING UNIVERSITY
发明人: Xiyang OU , Ran LIU , Xingzhe HOU , Ke ZHENG , Zhihong FU , Xiaorui HU , Xiaoyong ZHANG , Huaiqing ZHANG , Jing JI , Hua WU , Hongliang SUN
IPC分类号: G01R23/16
CPC分类号: G01R23/16
摘要: The application discloses a method for acquiring parameters of a dynamic signal, including: selecting a dynamic sample signal sequence of a power grid to constitute an autocorrelation matrix; determining an effective rank of the autocorrelation matrix and the number of frequency components of the dynamic sample signal sequence; establishing an AR model, and solving a model parameter of the AR model; determining an expression and a complex sequence of the dynamic sample signal sequence by using a Prony algorithm, wherein the dynamic sample signal sequence is represented by the complex sequence with a minimum square error; and substituting a root of a characteristic polynomial corresponding to the model parameter into the complex sequence and solving various parameters of the dynamic sample signal sequence. In the application, with the idea of AR parameter model, a current signal is considered to be a linear combination of signals at previous time points.
摘要翻译: 本申请公开了一种用于获取动态信号的参数的方法,包括:选择电网的动态采样信号序列以构成自相关矩阵; 确定自相关矩阵的有效等级和动态样本信号序列的频率分量的数量; 建立AR模型,解决AR模型的模型参数; 通过使用Prony算法确定动态样本信号序列的表达式和复杂序列,其中动态样本信号序列由具有最小平方误差的复数序列表示; 并将与模型参数对应的特征多项式的根代入复数序列,并求解动态样本信号序列的各种参数。 在应用中,利用AR参数模型的思想,电流信号被认为是前一时刻信号的线性组合。
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公开(公告)号:US20210088571A1
公开(公告)日:2021-03-25
申请号:US17041597
申请日:2019-11-05
申请人: STATE GRID CHONGQING ELECTRIC POWER CO. ELECTRIC POWER RESEARCH INSTITUE , STATE GRID CORPORATION OF CHINA
发明人: Wenxin PENG , Xingzhe HOU , Ke ZHENG , Xiaorui HU , Songnong LI , Wenli CHEN , Jun YE , Fuli YANG , Xingzhi LIU
摘要: Provided are a voltage measurement method and apparatus. The method includes following steps: a number j of height values are selected in a vertical direction of a transmission line, a number m of sensors used for measuring, according to a Stark effect, electric field strength of a corresponding spatial position are arranged in sequence at each of j spatial positions of the j heights from the ground, electric field strength values of the corresponding spatial position are measured through the m sensors respectively, and an electric field strength average value of the corresponding spatial position is calculated according to the acquired m electric field strength values, where j and m are positive integers, and the j spatial positions are below the transmission line; a voltage of the transmission line is calculated according to j electric field strength average values.
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