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1. 发明专利

JP2009044857A Apparatus and method for diagnosing stability of electric power system 有权
标题翻译：用于诊断电力系统稳定性的装置和方法
公开(公告)号：JP2009044857A
公开(公告)日：2009-02-26
申请号：JP2007206863
申请日：2007-08-08
申请人： Hitachi Ltd , Tohoku Electric Power Co Inc , 東北電力株式会社 , 株式会社日立製作所
发明人： SEKOGUCHI MASAHIRO , FUKUI CHIHIRO , MADORI IWAO , MAKINO JUNICHI , HANAMOTO KONOSUKE , KATAYAMA TAKASHI , TAKAHASHI CHIYOUEI , SHIRASAKI TAKASHI
IPC分类号： H02J3/00 , H02J3/24
摘要： PROBLEM TO BE SOLVED: To detect a dominant characteristic value corresponding to a system characteristic oscillation mode. SOLUTION: A power system stability diagnosis apparatus 12 extracts a dominant characteristic value from time-series observational data as follows: it computes a dominant mode power spectrum and a low-frequency noise range spectrum by a frequency component analyzing means 2; it computes the amount of a low-frequency noise component relative to a dominant mode component by a low-frequency noise amount determining means 3; it applies an autoregressive model and computes a characteristic value of each order by a characteristic value analyzing means 4; it screens them by a frequency screening means 5; and it changes and applies a dominant mode extraction technique according to the amount of the low-frequency noise component determined by the low-frequency noise amount determining means 3 and extracts the dominant characteristic value from among the multiple remaining characteristic values. COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：要解决的问题：检测与系统特性振荡模式对应的主要特性值。解决方案：电力系统稳定性诊断装置12从时间序列观测数据中提取主要特征值如下：其通过频率分量分析装置2计算主模式功率谱和低频噪声范围谱; 它通过低频噪声量确定装置3计算相对于主模式分量的低频噪声分量的量; 它应用自回归模型，并通过特征值分析装置4计算每个顺序的特征值; 它通过频率筛选装置5屏蔽它们; 并且根据由低频噪声量确定装置3确定的低频噪声分量的量改变并应用主模式提取技术，并从多个剩余特征值中提取主要特性值。版权所有（C）2009，JPO＆INPIT

2. 发明专利

JP2013126260A Operation apparatus and method of natural variation power supply 审中-公开
标题翻译：自然变率电源的运行装置及方法
公开(公告)号：JP2013126260A
公开(公告)日：2013-06-24
申请号：JP2011272006
申请日：2011-12-13
申请人： Hokkaido Electric Power Co Inc:The , 北海道電力株式会社 , Tohoku Electric Power Co Inc , 東北電力株式会社 , Tokyo Electric Power Co Inc:The , 東京電力株式会社
发明人： SAKAHARA JUNJI , SHINYA KOJI , YABUNO NARUTO , AKIYAMA YASUTO , MATSUMOTO MITSUHIRO , MORITA HIRONOBU , HANAMOTO KONOSUKE , NAKAZAWA TARO , OKAMOTO HIROSHI , ANAI TOKUNARI , TAKAZAWA TAKESHI , MASUKO TAKAHISA , MIYAZAKI HIROKAZU
IPC分类号： H02J3/46
CPC分类号： Y02E10/563 , Y02E10/763
摘要： PROBLEM TO BE SOLVED: To operate a natural variation power supply so as to maximize the supply power to the power system of the natural variation power supply while holding the balancing power of supply and demand.SOLUTION: Total output determination means 18 determines whether or not the allowable total output at the current point in time calculated by allowable total output calculation means 17 goes above the total output at the current point in time of a natural variation power supply calculated by total output calculation means 16. Maximum output command value calculation means 19 calculates the maximum output command value of each natural variation power supply within such a range that the total output of the natural variation power supplies satisfies the allowable total output at the current point in time, based on the determination results from the total output determination means 18, and outputs the maximum output command value to each natural variation power supply via output processing means 20.
摘要翻译：要解决的问题：为了操作自然变异电源，以便在保持供需的平衡功率的同时最大化对自然变异电源的电力系统的供电能力。解决方案：总输出确定装置18确定由可允许的总输出计算装置17计算的当前时间点的可允许总输出是否超过当前计算的自然变化电源的时间点的总输出最大输出指令值计算单元19在自然变异电源的总输出满足当前点的允许总输出的范围内，算出各自然变异电源的最大输出指令值时间，基于总输出确定装置18的确定结果，并且经由输出处理装置20将最大输出命令值输出到每个自然变异电源。版权所有：（C）2013，JPO＆INPIT

3. 发明专利

JP2012043853A Method for estimating power generation output of photovoltaic power generation facility 有权
标题翻译：估计光伏发电厂发电量的方法
公开(公告)号：JP2012043853A
公开(公告)日：2012-03-01
申请号：JP2010181527
申请日：2010-08-16
申请人： Tohoku Electric Power Co Inc , 東北電力株式会社
发明人： MATSUMOTO MITSUHIRO , HANAMOTO KONOSUKE
IPC分类号： H01L31/042 , G06Q10/04 , G06Q50/06
CPC分类号： Y02E10/50
摘要： PROBLEM TO BE SOLVED: To provide a method for estimating power generation output, which is capable of estimating power generation output of a photovoltaic power generation facility.SOLUTION: Typical solar radiation value data in fine weather at a meteorological observation point in the vicinity of an installation position of the photovoltaic power generation facility and actual sunshine duration per unit time observed at the meteorological observation point are acquired, and an estimated power generation output value of the photovoltaic power generation facility is calculated on the basis of an estimated solar radiation value at the installation position of the photovoltaic power generation facility, which is found from a value obtained by multiplying the typical solar radiation value data in fine weather by a ratio representing a rate of the actual sunshine duration per unit time.
摘要翻译：要解决的问题：提供一种能够估计光发电设备的发电输出的估计发电输出的方法。
解决方案：获取光伏发电设施安装位置附近的气象观测点天气晴朗的典型太阳辐射值数据，以及在气象观测点观测到的实际每单位时间的日照时间，估计基于在光伏发电设备的安装位置的估计的太阳辐射值，根据从晴天的典型太阳辐射值数据乘以的值求出的光电发电设备的发电输出值通过表示每单位时间的实际日照持续时间的比率的比率。版权所有（C）2012，JPO＆INPIT

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