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1. 发明专利

JP2011111128A Feeding protective device and method for alternating current at feeding circuit 有权
标题翻译：馈线保护装置和用于在馈电电路中交流电流的方法
公开(公告)号：JP2011111128A
公开(公告)日：2011-06-09
申请号：JP2009272106
申请日：2009-11-30
申请人： Japan Railway Construction Transport & Technology Agency , Jr Soken Denki System:Kk , Railway Technical Research Institute , Toshiba Corp , 公益財団法人鉄道総合技術研究所 , 株式会社ジェイアール総研電気システム , 株式会社東芝 , 独立行政法人鉄道建設・運輸施設整備支援機構
发明人： KANEKO TOSHIMI , HISAMIZU TAIJI , UTSUKA TETSUO , MORIMOTO HIROMI , MOCHINAGA YOSHIFUMI , MASUYAMA TAKAO , KAMIMURA OSAMU , FUKUDA YASUYUKI , FUKUDA KAZUNOBU , MATSUI HITOSHI
IPC分类号： B60M3/00 , G01R31/08
摘要： PROBLEM TO BE SOLVED: To provide a feeding protective technology for an alternating current AT feeding circuit that can surely detect a failure even in a long and large feeding section.
SOLUTION: A feeding protective device for the alternating current AT feeding circuit incorporates feeding voltage of both ends of a protective section at the respective electric power station ends, measures the incorporated feeding voltage in every optional period, integrally shares feeding voltage information of each end as the same time series voltage information by mutual high-speed communication, computes the same time series voltage information of both ends to obtain differential voltage time series information, carries out filtering operation of the differential voltage time series information to obtain time series information of differential voltage fundamental wave components, carries out amplitude value operation of the time series information of the differential voltage fundamental wave components to obtain a differential voltage fundamental wave component amount, and makes comparative determination of the differential voltage fundamental wave component amount and a predetermined constant to detect a section failure.
COPYRIGHT: (C)2011,JPO&INPIT
摘要翻译：要解决的问题：为交流AT供电电路提供馈电保护技术，即使在长且大的馈电部分中也能确定地检测到故障。
解决方案：交流AT馈电电路的馈电保护装置包括各电站端保护部分两端的馈电电压，在每个任意周期内测量并入馈电电压，整体分享馈电电压信息每端通过相互高速通信相同的时间序列电压信息，计算出两端相同的时间序列电压信息，得到差分电压时间序列信息，进行差分电压时间序列信息的滤波操作，得到时间序列信息对差分电压基波分量进行差分电压基波分量的时间序列信息的振幅值运算，得到差分电压基波分量，并进行差分电压基波分量量的预测和预测削弱常数以检测断层失效。版权所有（C）2011，JPO＆INPIT

2. 发明专利

JP2011111137A Apparatus and method of protecting feeding current of ac-at feeding circuit 有权
标题翻译：保护供电电路馈电电流的装置及方法
公开(公告)号：JP2011111137A
公开(公告)日：2011-06-09
申请号：JP2009272279
申请日：2009-11-30
申请人： Jr Soken Denki System:Kk , Railway Technical Research Institute , Toshiba Corp , 公益財団法人鉄道総合技術研究所 , 株式会社ジェイアール総研電気システム , 株式会社東芝
发明人： HISAMIZU TAIJI , UTSUKA TETSUO , MORIMOTO HIROMI , MOCHINAGA YOSHIFUMI , MASUYAMA TAKAO , KAMIMURA OSAMU , FUKUDA YASUYUKI , FUKUDA KAZUNOBU , MATSUI HITOSHI
IPC分类号： B60M3/04 , G01R31/08 , H02H7/00
摘要： PROBLEM TO BE SOLVED: To provide an apparatus and method of protecting an feeding current of an AC-AT feeding circuit, which can surely detect a failure even in a very long feeding section.
SOLUTION: The feeding current protection device synthesizes electrical quantities of electric power stations A and B at both ends of a protection section; calculates a section inrush current of each electric traction and each of up and down lines; computes the vector variation, the amount of a scalar increase of the synthetic current, and a second harmonic content in both up and down lines; selects, from these computation results and determination constants set beforehand, the current variation of a load that runs on electric traction within the protection section and the current variation at the failure to detect the failure within the protection section; and determines the failure location and the failure line.
COPYRIGHT: (C)2011,JPO&INPIT
摘要翻译：要解决的问题：提供一种保护AC-AT馈电电路的馈电电流的装置和方法，即使在非常长的馈电部分中也能够可靠地检测到故障。
解决方案：馈电电流保护装置在保护部分的两端合成电站A和B的电量; 计算每个电牵引力和上下两条线路的冲击电流; 计算矢量变化，合成电流的标量增加量，以及上下行中的二次谐波含量; 从预先设定的这些计算结果和确定常数中选择在保护部内电牵引的负载的当前变化，以及在故障时检测到保护部内的故障的当前变化; 并确定故障位置和故障线。版权所有（C）2011，JPO＆INPIT

3. 发明专利

JP2003047146A Out-of-step detection relay 审中-公开
标题翻译：超出检测继电器
公开(公告)号：JP2003047146A
公开(公告)日：2003-02-14
申请号：JP2001231722
申请日：2001-07-31
申请人： Kansai Electric Power Co Inc:The , Toshiba Corp , Toshiba Syst Technol Corp , 東芝システムテクノロジー株式会社 , 株式会社東芝 , 関西電力株式会社
发明人： YAMADA KAZUMI , KASHIWAGI MASAHIRO , FUKUSHIMA KAZUTO , MORITA YOSHIAKI , MATSUI HITOSHI , MATSUSHITA HIRONOBU
IPC分类号： G01R31/08 , H02H3/48
摘要： PROBLEM TO BE SOLVED: To prevent maloperation of an out-of-step relay when an external failure occurs.
SOLUTION: In the out-of-step detection relay, which detects a step-out inside the protection zone of a power system composed of a plurality of interconnected terminals with transmission lines, the relay has a signal-sending circuit 25 and a signal-receiving circuit 26, which send and receive data between the own terminal and the opposite terminal; a phase-difference calculation part 27, which calculates phase difference between a voltage quantity received from the opposite terminal and the one inputted into the own terminal, upon compensating with a predetermined impedance value and a current quantity; a decision part 28, which discriminates whether or not an out-of-step locus point is inside the relay-installed zone, depending on whether or not the calculation result of the phase difference passes a predetermined phase-angle point; and a failure discrimination part 30 which discriminates a system failure from a step-out based on voltage and current quantities inputted from the own terminal. When it is decided as the system failure by the failure discrimination part 30, the output of the decision part 28 is locked.
COPYRIGHT: (C)2003,JPO
摘要翻译：要解决的问题：为了防止外部故障发生时失步继电器的误动作。解决方案：在检测由具有传输线的多个互连终端组成的电力系统的保护区内的步进的失步检测继电器中，继电器具有信号发送电路25和信号 - 接收电路26，其在本终端和对端之间发送和接收数据; 相位差计算部27，用预定的阻抗值和电流量进行补偿，计算从相对端接收的电压量与输入到本端的输入电压之间的相位差; 决定部28，根据相位差的计算结果是否经过规定的相位角，判别出中继轨迹点是否位于继电器安装区内部; 以及根据从本终端输入的电压和电流量来辨别系统故障与失步的故障判定部30。当由故障判别部30判定为系统故障时，决定部28的输出被锁定。

4. 发明专利

JP2003047145A Out-of-step detection relay apparatus 审中-公开
标题翻译：不合格检测继电器
公开(公告)号：JP2003047145A
公开(公告)日：2003-02-14
申请号：JP2001232152
申请日：2001-07-31
申请人： Kansai Electric Power Co Inc:The , Toshiba Corp , Toshiba Syst Technol Corp , 東芝システムテクノロジー株式会社 , 株式会社東芝 , 関西電力株式会社
发明人： YAMADA KAZUMI , KASHIWAGI MASAHIRO , FUKUSHIMA KAZUTO , MORITA YOSHIAKI , MATSUSHITA HIRONOBU , MATSUI HITOSHI
IPC分类号： H02H3/48
摘要： PROBLEM TO BE SOLVED: To minimize a power failure area when a step-out occurs, by highly and accurately restrict protection zone when the step-out occurs.
SOLUTION: In an out-of-step detection relay apparatus having an impedance calculation part 13 which derives impedance, by fetching in voltage and current from a power system which interconnects among a plurality of terminals with transmission lines; and an out-of-step detection discrimination part 14 which detects the step-out of the system by discriminating change of an impedance locus derived from the impedance calculation part, a inside-protection-zone discrimination part 15, which discriminates a step-out is within the protection zone on condition that the electrical center of the step-out is within the protection zone of the apparatus in a forward direction of the own terminal and in the forward direction of the opposite terminal of the protection zone, respectively, is provided; and a protection output is sent out when the step-out of the system is detected by the out-of-step detection discrimination part 14, and further it is discriminated by the inside-protection-zone discrimination part 15 that the step-out is within the protection zone.
COPYRIGHT: (C)2003,JPO
摘要翻译：要解决的问题：为了最大限度地减少发生故障时的停电区域，通过在发生跳闸时高度准确地限制保护区域。解决方案：在具有阻抗的阻抗计算部分13的失步检测中继装置中，通过从多个终端与传输线互连的电力系统获取电压和电流; 以及失步检测鉴别部分14，其通过鉴别来自阻抗计算部分的阻抗轨迹的变化来检测系统的退出，内部保护区域鉴别部分15，其区分步进在保护区内的条件是分岔的电气中心分别位于设备的保护区内，分别位于自身端子的正向方向和保护区的相对端子的向前方向上 ; 并且当由失步检测判别部分14检测到系统的退出时，发送保护输出，并且进一步由内部保护区域判别部分15鉴别出，在保护区内。

5. 发明专利

JP2001231156A OUT-OF-STEP DETECTION RELAY 失效
公开(公告)号：JP2001231156A
公开(公告)日：2001-08-24
申请号：JP2000035338
申请日：2000-02-14
申请人： KANSAI ELECTRIC POWER CO , TOSHIBA CORP , TOSHIBA SYST TECH
发明人： YAMADA KAZUMI , KASHIWAGI MASAHIRO , YAMASHITA KATSUHIKO , NISHITANI YASUNORI , MATSUSHITA HIRONOBU , MORITA YOSHIAKI , FUKUSHIMA KAZUTO , MATSUI HITOSHI
IPC分类号： H02H3/26 , H02H3/48
摘要： PROBLEM TO BE SOLVED: To detect an out-of-step locus even if a voltage value that is inputted to a relay is small. SOLUTION: The out-of-step detection relay has a phase difference operation part 27 for calculating the voltage phase difference between own and target terminals, and a judgment part 28 for detecting the presence or absence of an out-of-step locus point in a relay installation section based on a voltage phase difference that is calculated by the phase difference operation part 27. The voltage of the own terminal is compensated for by a specific impedance value and a current, the voltage data is transmitted to the target terminal, and at the same time is inputted to the phase difference operation part 27 by a compensation operation part 23.

6. 发明专利

JP2001231155A OUT-OF-STEP DETECTION RELAY 失效
公开(公告)号：JP2001231155A
公开(公告)日：2001-08-24
申请号：JP2000035337
申请日：2000-02-14
申请人： KANSAI ELECTRIC POWER CO , TOSHIBA CORP , TOSHIBA SYST TECH
发明人： YAMADA KAZUMI , KASHIWAGI MASAHIRO , YAMASHITA KATSUHIKO , NISHITANI YASUNORI , MATSUSHITA HIRONOBU , MORITA YOSHIAKI , FUKUSHIMA KAZUTO , MATSUI HITOSHI
IPC分类号： H02H3/26 , H02H3/48
摘要： PROBLEM TO BE SOLVED: To apply an out-of-step detection relay even if empty bits in the transmission format of a digital relay device with a transmission function are equal to or less than 3 bits. SOLUTION: In the digital relay consisting of a transmission circuit 24 for inputting transmission data from an own terminal to a target terminal and coding the data, and a reception circuit 25 for inputting the reception data from the target terminal to the own terminal and coding the data, the presence or absence of an out-of-step locus point in the installation section of a relay is detected by a phase value operation part 23 for calculating a voltage phase value 1 from the amount of voltage that is inputted to the own terminal, and by a judgment part 27 while transmitting the voltage phase value 1 that has been calculated to the target terminal via the transmission circuit 24, receiving a voltage phase value 2 that is transmitted from the target terminal similarly via the reception circuit 25, and calculating the difference between the voltage phase value 1 of the own terminal and a voltage phase value 2 of the target terminal.

7. 发明专利

JP2001238346A STEP-OUT DETECTION RELAY DEVICE 失效
公开(公告)号：JP2001238346A
公开(公告)日：2001-08-31
申请号：JP2000043198
申请日：2000-02-21
申请人： TOSHIBA CORP , TOSHIBA SYST TECH
发明人： MATSUSHITA HIRONOBU , MATSUI HITOSHI
IPC分类号： H02H3/48
摘要： PROBLEM TO BE SOLVED: To detect any stepping out in a system to be protected with accuracy by correctly calculating the phase difference between electric power stations, even if the voltage from a line transformer and the voltage from a bus transformer are taken in to calculate the positive phase voltage. SOLUTION: The step-out detection relay device comprises a positive phase voltage computing portion 4, which takes in the three-phase voltage from a power system wherein at least two electric power stations are connected with each other through a transmission line and obtains a positive phase voltage from the three-phase voltage, a transmission portion 7, which transmits and receives the positive phase voltage between the electric power stations, a phase difference computing portion 5, which determines the phase difference between positive phase voltage from the electric power station on this end and positive phase voltage from the electric power station on the other end, and a step-out detection judging portion 6 which detects stepping out in the system, when the phase difference is inverted 180 deg. between the electric power stations. The step-out detection relay device is provided with an interruption phase judging portion 3, which when it is fed with a three-phase voltage and detects interruption phase of the transmission line, zeros the voltage of the interruption phase and inputs the result to the positive phase voltage computing portion 4.

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