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1. 发明专利

JP2012170168A Parameter estimation method for power system abridged model, and apparatus using the same 有权
标题翻译：用于电力系统模型的参数估计方法，以及使用该模型的装置
公开(公告)号：JP2012170168A
公开(公告)日：2012-09-06
申请号：JP2011026585
申请日：2011-02-09
申请人： Tohoku Electric Power Co Inc , Toshiba Corp , 東北電力株式会社 , 株式会社東芝
发明人： YAMADA TOSHIYUKI , SASAKI KATSUHIKO , SATO MASAKO , KANEKO TAKESHI , MIYAZAKI YASUYUKI , KOMATA KAZUYA , ISHIHARA YUJI , TAKASAKI KOTARO , NISHIIRI HIDEAKI
IPC分类号： H02J3/00
摘要： PROBLEM TO BE SOLVED: To provide a parameter estimation method for a power system abridged model, the method capable of updating parameters of an external system abridged model, when on-line data of the external system is limited, or even when an internal system and an external system which is the object of system abridgment are connected by a plurality of different interconnection point nodes; and to provide an apparatus using the method.SOLUTION: An estimation part 8 for estimating external system parameters is designed to adjust reactance X1, X2 of equivalent abridged branches 109a, 109b so that the tidal current P1, P2 of interconnection lines 105a, 105b and the tidal current of on-line data interconnection lines (the current tidal current P1on, P2on of the interconnection lines 105a, 105b) become equal.
摘要翻译：要解决的问题：为了提供一种用于电力系统简化模型的参数估计方法，当外部系统的在线数据被限制时，或者甚至当一个内部系统和作为系统暂存对象的外部系统由多个不同的互连点节点连接; 并提供使用该方法的装置。
解决方案：用于估计外部系统参数的估计部分8被设计成调整等效的节流分支109a，109b的电抗X1，X2，使得互连线105a，105b的潮汐流P1，P2和线数据互连线（互连线105a，105b的当前潮汐流P1on，P2on）变得相等。版权所有（C）2012，JPO＆INPIT

2. 发明专利

JP2012170169A Stabilization device for power system and control method thereof 有权
标题翻译：电力系统稳定装置及其控制方法
公开(公告)号：JP2012170169A
公开(公告)日：2012-09-06
申请号：JP2011026586
申请日：2011-02-09
申请人： Tohoku Electric Power Co Inc , Toshiba Corp , 東北電力株式会社 , 株式会社東芝
发明人： YAMADA TOSHIYUKI , SASAKI KATSUHIKO , SATO MASAKO , MIYAZAKI YASUYUKI , KOMATA KAZUYA , TAKASAKI KOTARO , ISHIHARA YUJI , TAGUCHI HIROYUKI
IPC分类号： H02J3/24
摘要： PROBLEM TO BE SOLVED: To provide a stabilization device for a power system capable of properly selecting a control object necessary for stabilization so as to stabilize a transient stability and resolve an excessive rise of voltage, and capable of effectively selecting the control object; to also provide a control method thereof.SOLUTION: An unstable phenomenon determining part 103 determines stability and an occurrence of excessive voltage rise for each possible accident based on a calculation result of a calculation execution part 102 for transient stability. A generator selection part 104a selects a generator to which a cut-off control is to be executed when the unstable phenomenon determining part 103 determines that the stability is unstable. A selection part 104b for selecting a phase-modifying device selects a phase-modifying device when the unstable phenomenon determining part 103 determines an occurrence of excessive voltage rise.
摘要翻译：要解决的问题：为了提供一种用于能够适当地选择稳定所需的控制对象的电力系统的稳定装置，以便稳定瞬态稳定性并且解决电压的过度上升，并且能够有效地选择控制对象 ; 也提供其控制方法。解决方案：不稳定现象确定部件103基于用于瞬态稳定性的计算执行部件102的计算结果，确定每个可能的事故的稳定性和过大的电压上升的发生。当不稳定现象确定部103确定稳定性不稳定时，发生器选择部104a选择要执行截止控制的发生器。当不稳定现象确定部分103确定过大的电压上升的发生时，用于选择相位修改装置的选择部分104b选择相位修正装置。版权所有（C）2012，JPO＆INPIT

3. 发明专利

JP2012170167A Stabilization control method for power system, and apparatus using the same 有权
标题翻译：用于动力系统的稳定控制方法，以及使用该装置的装置
公开(公告)号：JP2012170167A
公开(公告)日：2012-09-06
申请号：JP2011026583
申请日：2011-02-09
申请人： Tohoku Electric Power Co Inc , Toshiba Corp , 東北電力株式会社 , 株式会社東芝
发明人： YAMADA TOSHIYUKI , SASAKI KATSUHIKO , SATO MASAKO , MIYAZAKI YASUYUKI , KOMATA KAZUYA , ISHIHARA YUJI , NISHIIRI HIDEAKI , TAKASAKI KOTARO , INOUE TAISUKE
IPC分类号： H02J3/00
摘要： PROBLEM TO BE SOLVED: To provide a stabilization control method for a power system capable of properly controlling the system voltage within operation tolerance values with a minimum control amount of phase modifying devices and the like by considering the influence over the voltage fluctuation caused by cutting off of a generator, when selecting the generator to be cut-off; and to provide an apparatus using the method.SOLUTION: In the stabilization control method for a power system, when any of generators 20 to 22 in a power system A1 is unstable, the generator among the generators 20 to 22 is selected for stabilizing the system based on a stabilization calculation result of the power system A1. When all the generators 20 to 22 of the power system A1 are stable, but the frequency of the power system A1 deviates from a predetermined range, also based on the stabilization calculation result, a generator among the generators 20 to 22 for stabilizing the frequency is selected. And, when the frequency of the power system A1 is within the predetermined range, but the voltage of the power system A1 deviates from a predetermined range, based on the stabilization calculation results, phase modifying devices 23 to 24 or a power transmission line 12 to be used for input control or open control are selected.
摘要翻译：要解决的问题：提供一种用于能够通过考虑对电压波动的影响而以相位修正装置等的最小控制量适当地控制运算公差值内的系统电压的稳定控制方法当选择要切断的发电机时，切断发电机; 并提供使用该方法的装置。解决方案：在电力系统的稳定控制方法中，当电力系统A1中的发电机20至22中的任何一个不稳定时，选择发电机20至22中的发电机用于基于稳定计算结果来稳定系统的电力系统A1。当电力系统A1的所有发电机20〜22都稳定时，电力系统A1的频率也基于稳定化计算结果偏离预定的范围，用于稳定频率的发电机20〜22中的发电机为选择。并且，当电力系统A1的频率在预定范围内时，但是电力系统A1的电压偏离预定范围，基于稳定化计算结果，相位修正装置23至24或输电线12至用于输入控制或开启控制。版权所有（C）2012，JPO＆INPIT

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