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1. 发明专利

JP2009177979A Transformer for compensation 有权
标题翻译：变压器进行补偿
公开(公告)号：JP2009177979A
公开(公告)日：2009-08-06
申请号：JP2008015109
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 , SASAKI KENJI , KUMANO DAIJIRO , MAEDA HIROSHI , NISHIKAWA TOSHIAKI
IPC分类号： H02J3/18 , G05F1/70 , H01F29/08
CPC分类号： Y02E40/30
摘要： PROBLEM TO BE SOLVED: To provide a transformer for a compensation which is installed to an AC substation for an electric railway for improving a power factor to apply to a reactive-power compensator and is capable of ensuring a constant reactance ratio at all the time between the transformer and a capacitor for the compensation even when a tap is changed over for adjusting a compensation capacity. SOLUTION: The core type transformer 1 having a single phase is mounted on the secondary side of the transformer 5 for AC feeding to the AC substation 2 for the electric railway. The core type transformer 1 has a single tap 14a fitting the capacitor 16 on the secondary side and a plurality of no-voltage changing taps 13b to 13f capable of adjusting the compensation capacity by the capacitor 16 on the primary side. In the core type transformer 1, the percent impedance %Z is 16 to 20% even in the changing state of any of the no-voltage changing taps 13b to 13f within a range of 40 to 70 kV at a primary-side voltage. COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：要解决的问题：为了提供一种用于补偿的变压器，其被安装到用于电气铁路的交流变电站，用于提高功率因数以应用于无功功率补偿器，并且能够确保一定的电抗比变压器和用于补偿的电容器之间的时间，即使当用于调整补偿容量的抽头被切换时。解决方案：具有单相的铁芯式变压器1安装在变压器5的次级侧，用于交流馈送到用于电气铁路的交流变电站2。芯型变压器1具有将次级侧的电容器16配合的单个抽头14a和能够通过初级侧的电容器16调整补偿容量的多个无电压变化抽头13b〜13f。在核心型变压器1中，即使在初级侧电压为40〜70kV的范围内的任何无电压变化抽头13b〜13f的变化状态下，阻抗％Z为16〜20％。版权所有（C）2009，JPO＆INPIT

2. 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

3. 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

4. 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

5. 发明专利

JP2004236494A Reactive power compensator 有权
公开(公告)号：JP2004236494A
公开(公告)日：2004-08-19
申请号：JP2003181201
申请日：2003-06-25
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： SUZUKI MOTOHISA , NOBUHARA TAKAYOSHI , INOUE TAKASHI , KAKIMOTO KENZO , NISHIKAWA TOSHIAKI , MAEDA HIROSHI
IPC分类号： H02J3/18 , G05F1/70
CPC分类号： Y02E40/30
摘要： PROBLEM TO BE SOLVED: To provide a reactive power compensator by which when a power factor of a load changes, compensating capacity is easily adjusted and reactive power of an AC feeder circuit is appropriately compensated without large-scale changes in equipment. SOLUTION: The reactive power compensator includes a transformer 13 for compensation provided on a secondary side of a transformer for an AC feeder and a capacitor C provided in parallel on a secondary side of the transformer 13 for compensation. Taps 14, 15 to change a voltage are provided on a primary side and the secondary side of the transformer 13 for compensation. COPYRIGHT: (C)2004,JPO&NCIPI

6. 发明专利

JP2006001394A Feeder cable monitoring device 有权
标题翻译：进料器电缆监测装置
公开(公告)号：JP2006001394A
公开(公告)日：2006-01-05
申请号：JP2004179323
申请日：2004-06-17
申请人： Nishi Nippon Denki System Kk , 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 , 西日本電気システム株式会社
发明人： SUZUKI MOTOHISA , NOBUHARA TAKAYOSHI , NISHIDA YOSHIFUMI , NISHIKURA HIROSHI , HIRAYAMA HIROYUKI , NAKAYAMA TOSHIO , FUKUI SEIICHI , NISHIKAWA TOSHIAKI , MAEDA HIROSHI , INOUE MASUYOSHI , SHIMADA ICHIRO
IPC分类号： B60M3/00 , H02H3/00
摘要： PROBLEM TO BE SOLVED: To provide a feeder cable monitoring device capable of improving safety performance of railway operation by constantly monitoring feeder cable to feed DC current to a railway vehicle, and providing information of deterioration to a person in charge of the feeder cable in a case where deterioration occurs in insulating coating of the feeder cable for preventing grounding accident of the feeder cable. SOLUTION: A conductor part 4 is disposed around the feeder cable 1 covered with insulating coating 3 covering feeder 2. The conductor part 4 is connected to a deterioration detector 12 to output a signal in a case where voltage at the conductor part 4 exceeds a threshold value. The signal from the deterioration detector 12 is received by a signal output part 13. The signal output part 13 receives the signal from the deterioration detector 12 to output information including abnormality in the feeder cable 1 and an abnormality generated part, and the outputted information is transmitted through a communication line 15 to a terminal 16 to convey the information to the person in charge of the feeder cable 1. The person in charge immediately finds the abnormality in the feeder cable 1 based on the information from the terminal 16, and takes a countermeasure such as replacement of the cable. COPYRIGHT: (C)2006,JPO&NCIPI
摘要翻译：要解决的问题：提供一种能够通过不断监视馈线电缆来提供铁路车辆的直流电流并提供给负责馈线的人的恶化信息，从而提高铁路运行的安全性能的馈线电缆监视装置在馈电电缆的绝缘涂层中发生劣化的情况下，用于防止馈电电缆的接地事故的电缆。
解决方案：导体部分4设置在覆盖馈线2的绝缘涂层3覆盖的馈电电缆1周围。导体部分4连接到劣化检测器12，以在导体部分4的电压下输出信号超过阈值。来自劣化检测器12的信号由信号输出部分13接收。信号输出部分13接收来自劣化检测器12的信号，以输出包括馈电电缆1和异常产生部分中异常的信息，输出信息为通过通信线路15发送到终端16，以将信息传送给负责馈线电缆1的人员。负责人根据来自终端16的信息立即发现馈电电缆1中的异常，并且采取对策如更换电缆。版权所有（C）2006，JPO＆NCIPI

7. 发明专利

JP2005271856A Rail current detector 审中-公开
标题翻译：铁路电流检测器
公开(公告)号：JP2005271856A
公开(公告)日：2005-10-06
申请号：JP2004091817
申请日：2004-03-26
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： SUZUKI MOTOHISA , TANAKA MASAFUMI , INOUE TAKASHI , KAWAHARA TAKAHARU , ABE YOSHIHISA , NISHIKAWA TOSHIAKI , MAEDA HIROSHI , KISHI AKIO
IPC分类号： B60M1/04
摘要： PROBLEM TO BE SOLVED: To provide a rail current detector capable of reliably detecting presence/absence of the load current with a simple configuration, and reliably opening a disconnector, accordingly.
SOLUTION: The rail current detector comprises a detection means 12 which detects the AC current running in a rail 11 and outputs the signal according to the AC current when an electric vehicle is connected to a trolley cable 24, a determination means 13 to output the determination signal when the rail current detected by the detection means 12 is equal to or greater than a predetermined value, and a display means 15 to perform the display corresponding to presence/absence of the AC current running in the rail 11, and further comprises a blocking means 16 to block the operation of a disconnector 23 connected to the trolley cable 24 by the input of the determination signal.
COPYRIGHT: (C)2006,JPO&NCIPI
摘要翻译：要解决的问题：提供一种能够以简单的结构可靠地检测负载电流的存在/不存在并且可靠地打开隔离开关的轨电检测器。解决方案：轨道电流检测器包括检测装置12，其检测在轨道11中运行的交流电流，并且当电动车辆连接到电车电缆24时根据交流电流输出信号;确定装置13 当由检测装置12检测到的轨道电流等于或大于预定值时，输出确定信号;以及显示装置15，用于执行与存在/不存在在轨道11中运行的AC电流相对应的显示，以及进一步包括阻挡装置16，用于通过输入确定信号来阻止连接到台车电缆24的断路器23的操作。版权所有（C）2006，JPO＆NCIPI

8. 发明专利

JP2004291832A Feeder voltage detection apparatus 有权
公开(公告)号：JP2004291832A
公开(公告)日：2004-10-21
申请号：JP2003087663
申请日：2003-03-27
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： YAMAMOTO MASAHIRO , SHOJI TADASHI , SAKOTA YASUYOSHI , SUEHIRO KAZUO , AZEGAMI SATOSHI , NISHIKAWA TOSHIAKI , MAEDA HIROSHI
IPC分类号： B60M1/28
摘要： PROBLEM TO BE SOLVED: To provide a feeder voltage detection apparatus capable of excellently detecting application of an AC feeder voltage or a DC feeder voltage to a non-voltage feeder line at an abutting site between the AC feeder and a DC feeder.
SOLUTION: The feeder voltage detection apparatus comprises a transformer 17 having one end of its primary winding connected to a non-voltage feeder line 15, a resistor 19 arranged between the other end of the primary winding of the transformer 17 and the ground, and a voltage detector for detecting a voltage at a secondary side of the transformer 17 and voltages at both ends of the resistor 19. When an AC feeder line 12 and the non-voltage feeder line 15 are electrically connected, an AC voltage is applied to the line 15 to cause an AC voltage at the secondary side of the transformer 17, and by detecting the AC voltage an electrical connection between the line 12 and the line 15 is detected. In turn, when a DC feeder line 13 and the line 15 are electrically connected, a DC voltage is applied to the line 15 and a DC voltage generated at both ends of the resistor 19 is detected and the electrical connection between the line 13 and the line 15 is detected.
COPYRIGHT: (C)2005,JPO&NCIPI

9. 发明专利

JP2003319555A Filter apparatus for electric railway 有权
标题翻译：电动铁路过滤器
公开(公告)号：JP2003319555A
公开(公告)日：2003-11-07
申请号：JP2002121705
申请日：2002-04-24
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： YAZAWA HIROSHI , KAKIMOTO KENZO , YOSHIHARA TOSHIHARU , MAEDA HIROSHI , SHIMADA ICHIRO , TSUNAKAWA KUNIO , NISHIKAWA TOSHIAKI
IPC分类号： H02H9/02 , H02J1/00 , H02J1/02 , H02M7/06
摘要： PROBLEM TO BE SOLVED: To provide a filter apparatus for an electric railway which is smaller and excellent in protection coordination. SOLUTION: A DC substation for an electric railway comprises a cutoff device 15 which cuts the earth current of a feeder line. The filter apparatus for an electric railway comprises a filter shunt path 3 used for filtering a DC voltage waveform formed at a 12-phase rectifier 8. A current-limiter reactor 2 is provided to suppress a rush current into the cutoff device 15. The filter shunt path 3 comprises only one shunt path where a resonance capacitor 4 is connected to a resonance reactor 5 in series. COPYRIGHT: (C)2004,JPO
摘要翻译：要解决的问题：提供一种电气铁路的过滤装置，该电气铁路的保护协调性小。解决方案：用于电气铁路的直流变电站包括切断装置15，其切断供电线的接地电流。用于电气铁路的过滤装置包括用于对形成在12相整流器8上的直流电压波形进行滤波的滤波器分流路径3.设置限流电抗器2以抑制进入截止装置15的冲击电流。滤波器并联路径3仅包含一个并联路径，其中谐振电容器4串联连接到谐振电抗器5。版权所有（C）2004，JPO

10. 发明专利

JP2008236967A Discharge device for prevention of ground fault 有权
标题翻译：用于防止地面故障的排放装置
公开(公告)号：JP2008236967A
公开(公告)日：2008-10-02
申请号：JP2007076142
申请日：2007-03-23
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： KUMANO DAIJIRO , SASAKI KAZUTOMI , IRIYAMA TAKASHI , KAMIMURA KENICHI , MAEDA HIROSHI , NISHIKAWA TOSHIAKI
IPC分类号： H02H9/04 , B60M5/02 , H02H3/16
摘要： PROBLEM TO BE SOLVED: To provide a discharge device for prevention of a ground fault, reduced in size by eliminating a coil for opening/closing a side passage and a side passage opening/closing device, also reduced in maintenance work, and performing maintenance of the discharge device at the optimum timing.
SOLUTION: This discharge device includes: a discharger 3 connected between a protective line and a ground mat, or between a negative feeder and the ground mat; and a surge absorption part 2 which is connected to the discharger 3 in parallel to prevent unnecessary discharge of the discharger 3 by absorbing surge voltage at a rail. This discharge device is constituted without providing the side passage opening/closing device with the discharger 3 in parallel, and the discharger 3 has discharge withstand current rating with 20,000 A or more of current and 200 msec or more of discharge time. A measuring device 7 which detects the current discharged by the discharger 3 and counts the number of operation times of the discharger is provided, thus performing maintenance of the discharger 3, based on the counter value.
COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：解决的问题：为了提供一种防止接地故障的放电装置，通过消除用于打开/关闭侧通道的线圈和侧通道打开/关闭装置来减小尺寸，还减少了维护工作，并且在最佳定时执行放电装置的维护。解决方案：该放电装置包括：连接在保护线和接地垫之间或者在负馈线和接地垫之间的放电器3; 以及并联连接到放电器3的浪涌吸收部分2，以通过吸收轨道上的浪涌电压来防止放电器3的不必要的放电。该放电装置不构成并排设置有放电器3的侧通路开闭装置，放电器3的放电耐受额定电流为20000A以上，放电时间为200msec以上。提供了检测由放电器3放电并对放电器的操作次数进行计数的测量装置7，由此基于计数器值执行放电器3的维护。版权所有（C）2009，JPO＆INPIT

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