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1. 发明授权

US08396098B2 Digital protective relay device and data transmission device for the same 有权
标题翻译：数字保护继电器和数据传输装置相同
公开(公告)号：US08396098B2
公开(公告)日：2013-03-12
申请号：US12933281
申请日：2009-03-18
申请人： Kazuto Fukushima , Hideaki Sugiura , Masamichi Saga
发明人： Kazuto Fukushima , Hideaki Sugiura , Masamichi Saga
IPC分类号： H04B3/36
CPC分类号： H02H3/30 , H02H1/0061
摘要： Provided is a high-precision and highly functional digital protective relay device and a data transmission device for a digital protective relay device, by enabling transmission of large amounts of system electrical quantity data. The data transmission device for a digital protective relay device, the transmission device comprising: an analog/digital conversion portion 6, which, after sampling a system electrical quantity signal acquired from an electric power system at m times the fundamental frequency f0 (m>12) thereof, performs conversion into n-bit digital data (n>12); a data processing portion 7, which converts m sampling data of n bits with frequency m·f0, obtained by the analog/digital conversion portion, into k sampling data with frequency k·f0 (k≦m) at or below the former frequency; and a transmitting portion 8, which transmits k sampling data obtained by the data processing portion to another protective relay device in a prescribed transmission format.
摘要翻译：提供了一种高精度，高功能的数字保护继电器装置和数字保护继电器装置的数据传输装置，能够传输大量的系统电量数据。一种用于数字保护中继装置的数据传输装置，所述传输装置包括：模拟/数字转换部分6，其在从基本频率f0（m> 12）m倍的电力系统采集的系统电量信号），进行n位数字数据的转换（n> 12）。将由模拟/数字转换部获得的n位n位的数据处理部分7转换成频率为k·f0（k＆nlE; m）的k个采样数据，其频率为或低于前一频率; 以及发送部8，其以规定的发送格式将由数据处理部获得的k个采样数据发送到另一个保护用中继装置。

2. 发明申请

US20110013676A1 DIGITAL PROTECTIVE RELAY DEVICE AND DATA TRANSMISSION DEVICE FOR THE SAME 有权
标题翻译：数字保护继电器装置及其数据传输装置
公开(公告)号：US20110013676A1
公开(公告)日：2011-01-20
申请号：US12933281
申请日：2009-03-18
申请人： Kazuto Fukushima , Hideaki Sugiura , Masamichi Saga
发明人： Kazuto Fukushima , Hideaki Sugiura , Masamichi Saga
IPC分类号： H04L25/20
CPC分类号： H02H3/30 , H02H1/0061
摘要： Provided is a high-precision and highly functional digital protective relay device and a data transmission device for a digital protective relay device, by enabling transmission of large amounts of system electrical quantity data. The data transmission device for a digital protective relay device, the transmission device comprising: an analog/digital conversion portion 6, which, after sampling a system electrical quantity signal acquired from an electric power system at m times the fundamental frequency f0 (m>12) thereof, performs conversion into n-bit digital data (n>12); a data processing portion 7, which converts m sampling data of n bits with frequency m·f0, obtained by the analog/digital conversion portion, into k sampling data with frequency k·f0 (k≦m) at or below the former frequency; and a transmitting portion 8, which transmits k sampling data obtained by the data processing portion to another protective relay device in a prescribed transmission format.
摘要翻译：提供了一种高精度，高功能的数字保护继电器装置和数字保护继电器装置的数据传输装置，能够传输大量的系统电量数据。一种用于数字保护中继装置的数据传输装置，所述传输装置包括：模拟/数字转换部分6，其在从基本频率f0（m> 12）m倍的电力系统采集的系统电量信号），进行n位数字数据的转换（n> 12）。将由模拟/数字转换部获得的n位n位的数据处理部分7转换成频率为k·f0（k＆nlE; m）的k个采样数据，其频率为或低于前一频率; 以及发送部8，其以规定的发送格式将由数据处理部获得的k个采样数据发送到另一个保护用中继装置。

3. 发明授权

US06678134B2 Digital protective relay system 有权
标题翻译：数字保护继电器系统
公开(公告)号：US06678134B2
公开(公告)日：2004-01-13
申请号：US09971060
申请日：2001-10-05
申请人： Hideaki Sugiura , Itsuo Shuto , Hachidai Ito , Masamichi Saga
发明人： Hideaki Sugiura , Itsuo Shuto , Hachidai Ito , Masamichi Saga
IPC分类号： H02H300
CPC分类号： H02H7/261 , H02H1/0061 , H02H3/28
摘要： A digital protective relay system is capable of making sampling timing the same among plural protective relay device which operate independent from each other by using a signal from a GPS satellite. The sampling timing is made the same regardless of the time lag from which it is sent downstream with the concomitant transmission delay time in the case of data communications, or regardless of the time lag from which it is sent upstream.
摘要翻译：数字式保护继电器系统能够通过使用来自GPS卫星的信号使彼此独立工作的多个保护用继电器中的采样定时相同。无论在数据通信的情况下伴随的传输延迟时间，或者不管从哪里发送到上游的时间滞后，采样定时都是相同的，无论其在下游发送的时间滞后。

4. 发明授权

US06714148B1 Digital protective relay 有权
标题翻译：数字保护继电器
公开(公告)号：US06714148B1
公开(公告)日：2004-03-30
申请号：US09628305
申请日：2000-07-28
申请人： Masamichi Saga , Itsuo Shuto
发明人： Masamichi Saga , Itsuo Shuto
IPC分类号： H03M100
CPC分类号： H02H3/006
摘要： A digital protective relay comprises a protective relay arithmetic processing unit for judging, based on a relay judgement quantity obtained by converting a system electric quantity into a digital value, whether in an operating state or in a non-operating state, and a time synchronizing unit for inputting a time reference signal from outside and synchronizing an internal timer of the digital protective relay with an external reference time. The time synchronizing unit includes an A/D converting unit for A/D converting the time reference signal inputted from outside with a resolution of at least 2 bits, and a decoding unit for decoding a time code signal by making a judgement as to a magnitude of the time reference signal with respect to a digital value obtained by the A/D converting unit.
摘要翻译：数字保护继电器包括保护继电器算术处理单元，用于基于通过将系统电量转换为数字值而获得的继电器判断量，判断是处于工作状态还是非工作状态，以及时间同步单元用于从外部输入时间参考信号并使数字保护继电器的内部定时器与外部参考时间同步。时间同步单元包括A / D转换单元，用于以至少2比特的分辨率对从外部输入的时间参考信号进行A / D转换;以及解码单元，用于通过对幅度进行判断来解码时间码信号的时间参考信号相对于由A / D转换单元获得的数字值。

5. 发明授权

US08218278B2 Current differential relay device, signal processing method thereof and power transmission line protection system 有权
标题翻译：电流差动继电器，信号处理方法及输电线路保护系统
公开(公告)号：US08218278B2
公开(公告)日：2012-07-10
申请号：US12280494
申请日：2007-02-28
申请人： Masamichi Saga , Itsuo Shuto , Mitsuaki Mizunoue
发明人： Masamichi Saga , Itsuo Shuto , Mitsuaki Mizunoue
IPC分类号： H02H3/00 , H02H7/26
CPC分类号： H02H3/28
摘要： A current differential relay device is described. The device has two transmission parts provided in parallel and communicating with an other end of a power transmission line through two transmission paths and transmitting and receiving a quantity data of electricity of each of the terminals to and from an other end in the form of the digital data obtained through analog/digital conversion. Two current differential operation parts are connected to each of the two transmission parts and perform a current differential operation independently for each of the transmission paths by using the digital data of the quantity data of electricity of the one end of the power transmission line and of the other end of the power transmission line. A signal generation part generates a trip signal from the current differential operation result of the two current differential operation parts.
摘要翻译：描述电流差动继电器装置。该装置具有并联设置的两个传输部分，并且通过两条传输路径与电力传输线的另一端通信，并且以数字形式向另一端发送和接收每个终端的电量的数量通过模拟/数字转换获得的数据。两个电流差分操作部分连接到两个传输部分中的每一个，并且通过使用电力传输线的一端的电力的数量数据的数字数据和输电线路另一端。信号生成部根据两个电流差动运转部的电流差运算结果生成跳闸信号。

6. 发明申请

US20090174976A1 CURRENT DIFFERENTIAL RELAY DEVICE, SIGNAL PROCESSING METHOD THEREOF AND POWER TRANSMISSION LINE PROTECTION SYSTEM 有权
标题翻译：电流差动继电器，信号处理方法及电力传输线路保护系统
公开(公告)号：US20090174976A1
公开(公告)日：2009-07-09
申请号：US12280494
申请日：2007-02-28
申请人： Masamichi Saga , Itsuo Shuto , Mitsuaki Mizunoue
发明人： Masamichi Saga , Itsuo Shuto , Mitsuaki Mizunoue
IPC分类号： H02H3/28
CPC分类号： H02H3/28
摘要： Two current differential relay devices 1 are installed at each terminal 3 of a two-terminal power transmission line 2, and connected to each other via two transmission paths 5 and 6, and perform current differential operations by transmitting and receiving the quantity data of electricity to each other. In the current differential relay device 1, two transmission means 14 normally each perform communications with the current differential relay device 1 of the other end of the power transmission line in parallel through the two transmission paths 5 and 6. Two current differential operation means 14 are connected to the two transmission means 14 respectively and perform independently two-series of current differential operations independently for each series associated with each of the transmission paths 5 and 6. The signal generation means 20 obtains the logical disjunction of the two-series of current differential operation results by means of the logical disjunction means 21 and uses the logical disjunction to generate a trip signal by means of the sequence operation means 15. The present invention provides a highly reliable current differential relay device of a high operating ratio which is capable of continuing the power transmission line protection function without any discontinuation even when one of the duplexed transmission paths has a transmission defect, as well as providing a signal processing method for the current differential relay device and a power transmission line protection system.
摘要翻译：两个电流差动继电器装置1安装在两端电力传输线2的每个端子3处，并且经由两个传输路径5和6彼此连接，并通过发送和接收电量数据来执行电流差分操作彼此。在电流差动继电器装置1中，两个发送装置14通常通过两个传输路径5和6并行地与电力传输线的另一端的电流差动中继装置1进行通信。两个电流差动装置14是分别连接到两个传输装置14，并且独立地对与每个传输路径5和6相关联的每个系列独立地执行两系列电流差分操作。信号产生装置20获得两系列电流差动的逻辑分离通过逻辑分离装置21进行操作结果，并使用逻辑分离通过顺序操作装置15产生跳闸信号。本发明提供了一种高可靠性的高动作比的电流差动继电器装置，其能够继续输电线路保护功能无任何停电即使其中一个双工传输路径具有传输缺陷，以及为电流差动中继装置和输电线路保护系统提供信号处理方法。

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