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1. 发明专利

JP2009177012A Dc reactor 有权
标题翻译：直流电抗器
公开(公告)号：JP2009177012A
公开(公告)日：2009-08-06
申请号：JP2008015128
申请日：2008-01-25
申请人： Tsuda Denki Keiki Kk , West Japan Railway Co , 津田電気計器株式会社 , 西日本旅客鉄道株式会社
发明人： KAWAHARA TAKAHARU , KINUGASA JUNICHI , FUJISAWA KEIJU , MAEDA HIROSHI , NISHIKAWA TOSHIAKI
IPC分类号： H01F37/00 , B60M3/00
摘要： PROBLEM TO BE SOLVED: To provide a DC reactor to be serially connected to the rectifier of a DC transforming station for electric railway which can be prevented from rapid increase of current flowing, at the occurrence of a fault and which can reduce the high-frequency waves generated due to rectification.
SOLUTION: The DC reactor 1 to be connected to a rectifier 25 of a DC transforming station 20 for electric railway has a coil 2, having a size necessary for suppressing the inductance in the air-core state that can cut off the rise of fault current, at the occurrence of an accident by a circuit breaker, and also has a magnetic core 3 which is to be inserted to the coil so that the inductance in the rated current region of 2,000 A or higher can reduce the rectification ripples generated that accompany rectification.
COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：要解决的问题：提供一种直流电抗器串联连接到用于电气铁路的直流变电站的整流器，其可以防止电流流动的快速增加，在故障发生时可以减少由于整流而产生的高频波。解决方案：要连接到用于电气铁路的DC变电站20的整流器25的直流电抗器1具有线圈2，该线圈2具有抑制空芯状态下可以切断上升的电感所需的尺寸的故障电流，并且还具有插入到线圈中的磁芯3，使得额定电流区域的电感在2000A以上可以减少产生的整流波纹伴随整改。版权所有（C）2009，JPO＆INPIT

2. 发明专利

JP2010042784A Direct current high-voltage grounding relay and circuit for preventing malfunction of relay 有权
标题翻译：用于防止继电器故障的直流电流高压接地继电器和电路
公开(公告)号：JP2010042784A
公开(公告)日：2010-02-25
申请号：JP2008209822
申请日：2008-08-18
申请人： Tsuda Denki Keiki Kk , West Japan Railway Co , 津田電気計器株式会社 , 西日本旅客鉄道株式会社
发明人： KAWAHARA TAKAHARU , FUJISAWA KEIJU , TOGIISHI DAISUKE , MAEDA HIROSHI , NISHIKAWA TOSHIAKI , NAGAMORI MASAKI
IPC分类号： B60M3/00 , H02H3/16
摘要： PROBLEM TO BE SOLVED: To provide a direct current high-voltage grounding relay without having an adverse influence on travel of a train, preventing the occurrence of malfunction due to a disturbance such as a lightening strike, and to provide a circuit for preventing the malfunction of the relay. SOLUTION: This invention relates to the direct current high-voltage grounding relay 1 with a potential difference detecting section 10 operated by the potential difference between a ground mat 7 and a return line 4, arranged between the ground mat 7 and the return line 4 of a direct current substation 2 for an electric railroad. It is provided with an electric discharge circuit 15 discharging electric charge charged between the ground mat and the return line with stray capacitance C due to application of an impulse voltage so that the potential difference becomes below the operating voltage within the operating time of the potential difference detecting section. COPYRIGHT: (C)2010,JPO&INPIT
摘要翻译：要解决的问题：提供一种直流高压接地继电器，而不会对列车的行驶产生不利影响，防止由于诸如减轻雷击的干扰引起的故障的发生，并且提供用于防止继电器故障。解决方案：本发明涉及具有电位差检测部分10的直流高压接地继电器1，其由接地垫7和返回线路4之间的电位差操作，布置在接地垫7和返回线用于电力铁路的直流变电站2的线路4。设置有放电电路15，其由于施加脉冲电压而使接地垫和返回线之间的充电电荷与杂散电容C放电，使得电位差在电位差的运行时间内变得低于工作电压检测部分。版权所有（C）2010，JPO＆INPIT

3. 发明专利

JP2007153255A Rail direct current detecting device 审中-公开
标题翻译：轨道直流电流检测装置
公开(公告)号：JP2007153255A
公开(公告)日：2007-06-21
申请号：JP2005354538
申请日：2005-12-08
申请人： Shizuki Electric Co Inc , West Japan Railway Co , 株式会社指月電機製作所 , 西日本旅客鉄道株式会社
发明人： TACHIBANA SEIJI , INOUE HIROSHI , FUJISAWA KEIJU , YAMAMOTO YASUTAKA , OGAWA HIROTAKA , NISHIKAWA TOSHIAKI , MAEDA HIROSHI , KISHI AKIO
IPC分类号： B60M5/00
摘要： PROBLEM TO BE SOLVED: To provide a rail direct current detecting device capable of easily detecting direct current without enlarging equipment.
SOLUTION: The rail direct current detecting device is provided with a magnetic field detecting means 5 for detecting a change of magnetic field generated by the direct current flowing in a rail 2 in the case wherein an electric vehicle 3 is connected to a trolley line 1 and a display means 8 for displaying in response to existence of the direct current flowing in the rail 2 on the basis of an output signal from the magnetic field detecting means 5. Existence of the load current can be easily and surely confirmed through the display means 8.
COPYRIGHT: (C)2007,JPO&INPIT
摘要翻译：要解决的问题：提供一种能够容易地检测直流而不扩大设备的轨道直流检测装置。轨道直流电流检测装置设置有磁场检测装置5，用于检测在电动车辆3连接到手推车的情况下由在轨道2中流动的直流电流产生的磁场的变化线路1和显示装置8，用于根据来自磁场检测装置5的输出信号响应于在轨道2中流动的直流电流的存在而进行显示。存在负载电流可以容易且可靠地通过显示方式8.版权所有（C）2007，JPO＆INPIT

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