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公开(公告)号：US20150116876A1
公开(公告)日：2015-04-30
申请号：US14382532
申请日：2013-02-26
IPC分类号： H02H7/26
摘要： There is a method of fault clearance for a DC power grid (10), wherein the DC power grid (10) includes: a plurality of DC terminals (12a,12b,12c,12d); a plurality of DC power transmission media (14a,14b, 14c,14d) to interconnect the plurality of DC terminals (12a, 12b, 12c, 12d); and a plurality of DC circuit interruption device stations (18), each DC circuit interruption device station (18) being associated with a respective one of the plurality of DC power transmission media (14a,14b, 14c, 14d) and a respective one of the plurality of DC terminals (12a, 12b,12c, 12d), each DC circuit interruption device station (18) including a DC circuit interruption device (20) to selectively interrupt current flow in the associated DC power transmission medium (14a, 14b, 14c, 14d), the method comprising the steps of: (i) detecting one or more faults occurring in the plurality of DC power transmission media (14a, 14b, 14c,14d); (ii) after detecting the or each fault, opening all of the DC circuit interruption devices (20) to interrupt current flow in the plurality of DC power transmission media (14a,14b, 14c,14d); (iii) measuring electrical characteristics of each DC power transmission medium (14a, 14b, 14c,14d); (iv) identifying the or each faulty DC power transmission medium (14a, 14b, 14c, 14d), in which the or each fault is located, based on the measured electrical characteristics of the plurality of DC power transmission media (14a, 14b, 14c, 14d); and (v) after identifying the or each faulty DC power transmission medium (14a, 14b, 14c, 14d) in which the or each fault is located, inhibiting closing of the or each DC circuit interruption device (20) that is associated with the or each faulty DC power transmission medium (14a,14b, 14c,14d), in which the or each fault is located, and closing the or each DC circuit interruption device (20) that is associated with the or each non-faulty DC power transmission medium (14a, 14b, 14c, 14d), in which the or each fault is not located.
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公开(公告)号：US20150077884A1
公开(公告)日：2015-03-19
申请号：US14540214
申请日：2014-11-13
发明人： Holger Behrends , Marcel Kratochvil , Markus Hopf
CPC分类号： H01L31/02021 , G01R31/1227 , H02H1/0015 , H02H7/20 , H02H7/261 , H02J3/383 , Y02E10/563
摘要： The disclosure relates to a method for localizing and quenching an arc in a PV generator of a PV system, wherein the PV generator includes at least two PV subgenerators. An arc quenching circuit is associated with each PV subgenerator. The method includes detecting an arc in the PV generator. Then, a probability value is determined for each of the PV subgenerators, wherein the probability value is correlated with a probability that the arc is located in the corresponding PV subgenerator. A sequence for activating the arc quenching circuits is then determined that is dependent on the determined probability values. Then, the arc quenching circuits are activated successively in the order of the determined sequence.
摘要翻译： 本公开涉及一种用于在PV系统的PV发电机中定位和淬火电弧的方法，其中PV发电机包括至少两个PV子发电机。 一个灭弧电路与每个PV子发电机相关联。 该方法包括检测光伏发电机中的电弧。 然后，为每个PV子发生器确定概率值，其中概率值与弧位于相应PV子发生器中的概率相关。 然后确定用于激活灭弧电路的序列，其依赖于确定的概率值。 然后，按照确定的顺序依次激活灭弧回路。
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公开(公告)号：US08942954B2
公开(公告)日：2015-01-27
申请号：US12883944
申请日：2010-09-16
CPC分类号： G01R31/085 , G01R31/088 , H02H7/261
摘要： Fault location on a non-homogeneous electric power line that includes a plurality of sections by determining a section in which negative-sequence voltage magnitude profiles calculated from each terminal of the power line intersect. The fault location may determine the faulted section and determine the location of the fault within the faulted section. To determine the fault location, the negative-sequence voltage magnitude profiles may be calculated from measurements taken at each terminal of the power line and compared to determine a point where the profiles intersect. The profiles may be calculated using power line properties and measurements from each terminal.
摘要翻译： 通过确定从电力线的每个端子计算的负序电压幅度曲线相交的部分，包括多个部分的非均匀电力线上的故障位置。 故障位置可以确定故障部分，并确定故障部分内故障的位置。 为了确定故障位置，可以根据在电力线的每个端子处进行的测量来计算负序电压幅度分布，并进行比较以确定轮廓相交的点。 可以使用来自每个终端的电力线属性和测量来计算轮廓。
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公开(公告)号：US20150002186A1
公开(公告)日：2015-01-01
申请号：US14330969
申请日：2014-07-14
发明人： Jeffrey D. Taft
CPC分类号： G01R31/40 , G01D4/002 , G01R25/00 , G01R31/086 , H02H3/042 , H02H7/261 , H02J2003/001 , H04L41/0681 , H04L43/0811 , Y02B90/241 , Y02B90/244 , Y02E60/728 , Y04S10/265 , Y04S10/522 , Y04S20/32 , Y04S20/327 , Y04S20/36 , Y04S40/166 , Y04S40/168
摘要： An outage intelligence application receives event messages indicative of occurrences associated with various devices within a power grid. The outage intelligence application determines a state of the various devices based on the event messages. Based on the event messages, the outage intelligence application can determine can determine and confirm an outage condition associate with a particular device. A fault intelligence application receives synchrophasor data for each phase in a multi-phase power grid. The synchrophasor includes phasor magnitude and phasor angle information for each phased. Based on the synchrophasor data, the fault intelligence application determines the presence of a fault involving one or more of the phases and identifies a particular fault type.
摘要翻译： 中断智能应用接收指示与电网内的各种设备相关联的事件的事件消息。 中断智能应用程序基于事件消息确定各种设备的状态。 基于事件消息，中断智能应用可以确定可以确定和确认与特定设备相关联的中断状态。 故障智能应用程序接收多相电网中每相的同步信号数据。 同步相位器包括每个相位的相量和相量角信息。 基于同步资源数据，故障智能应用程序确定存在涉及一个或多个相位的故障，并识别特定的故障类型。
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25.发明授权Systems, methods and apparatus for protecting power distribution feeder systems 有权用于保护配电馈线系统的系统，方法和装置公开(公告)号：US08908342B2
公开(公告)日：2014-12-09
申请号：US13856173
申请日：2013-04-03
申请人： Andre Smit , Alexandr S. Stinskiy
发明人： Andre Smit , Alexandr S. Stinskiy
CPC分类号： H02H7/22 , G01R19/2513 , H02H7/261
摘要： A power distribution feeder system includes a plurality of power sources, a plurality of switching components coupled to the power sources by a plurality of line sections, and an IED coupled to each switching component and configured to monitor any line section coupled to the switching component, each IED containing protection logic configured to detect a jump in current on a faulted line section, communicate the jump in current to other IEDs coupled to the faulted line section, receive information from the other IEDs coupled to the faulted line section regarding any jump in current detected by the other IEDs, employ the received information from the other IEDs to confirm a fault in the faulted line section, and issue a trip command to isolate the faulted line section based on the current jump detected by the IED and current jump information received from other IEDs coupled to the line section.
摘要翻译： 配电馈线系统包括多个电源，多个开关组件，其通过多个线路部分耦合到电源，以及耦合到每个开关组件并被配置为监视耦合到开关组件的任何线路部分的IED， 每个IED包含保护逻辑，其被配置为检测故障线路部分上的电流跳变，将电流的跳跃传递到耦合到故障线路部分的其他IED，从与故障线路部分耦合的其他IED接收关于电流的任何跳跃的信息 由其他IED检测到，使用来自其他IED的接收到的信息来确认故障线路部分中的故障，并且基于由IED检测到的当前跳跃和从IED接收到的当前跳跃信息发出跳闸命令来隔离故障线路部分 其他IED耦合到线路部分。
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26.发明申请SYSTEMS AND METHODS FOR PROTECTION OF COMPONENTS IN ELECTRICAL POWER DELIVERY SYSTEMS 有权用于保护电力输送系统中组件的系统和方法公开(公告)号：US20140359351A1
公开(公告)日：2014-12-04
申请号：US14444295
申请日：2014-07-28
发明人： Saurabh B. Shah , Kamal Garg , Scott M. Manson
CPC分类号： G06F1/30 , G06F11/0793 , H02H7/00 , H02H7/062 , H02H7/261
摘要： Various embodiments disclosed herein provide protection to monitored equipment at both a local level and a system level, in order to offer more comprehensive protection. In one particular embodiment, the protected equipment may include one or more generators. The protection system may utilize time-synchronized data in order to analyze data provided by systems having disparate sampling rates, that are monitored by different equipment, and/or equipment that is geographically separated. Various embodiments may be configured to utilize a variety of sampling rates.
摘要翻译： 为了提供更全面的保护，本文公开的各种实施例在本地级和系统级都提供对被监视设备的保护。 在一个具体实施例中，被保护设备可以包括一个或多个发电机。 保护系统可以利用时间同步的数据来分析由具有不同设备监视的不同采样率的系统和/或地理上分离的设备提供的数据。 各种实施例可以被配置为利用各种采样率。
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27.发明授权Power management and distribution system having a fault detection and isolation assembly and method 有权电力管理和配电系统具有故障检测和隔离组件及方法公开(公告)号：US08885306B2
公开(公告)日：2014-11-11
申请号：US13448554
申请日：2012-04-17
IPC分类号： H02H3/38
摘要： A power management and distribution system includes a source block having a power distribution line, wherein the power distribution line includes a distribution switch. At least one load block is in operable communication with the power distribution line and having a plurality of load block power output lines, wherein each of the plurality of load block power output lines includes a load switch. Further included is a plurality of loads each carried power by at least one of the plurality of load block power output lines. Yet further included is a protection logic unit comprising at least one algorithm for comparing a power characteristic to a power characteristic threshold at a plurality of locations, wherein the protection logic unit selectively determines which of the source block switches, distribution switches and the load switches of the plurality of load block power output lines are opened based on at least one comparison.
摘要翻译： 电力管理和分配系统包括具有配电线的源块，其中配电线包括配电开关。 至少一个负载块与配电线可操作地通信并具有多个负载块功率输出线，其中多个负载块功率输出线中的每一个包括负载开关。 还包括多个负载，每个负载由多个负载块电力输出线中的至少一个承载电力。 还包括保护逻辑单元，其包括用于将功率特性与多个位置处的功率特性阈值进行比较的至少一种算法，其中保护逻辑单元选择性地确定哪个源块开关，分配开关和负载开关 基于至少一个比较来打开多个负载块电力输出线。
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28.发明申请Adaptive Topology Assisted Protection and Control of Electric Power Delivery Systems 有权自适应拓扑辅助电力输送系统的保护和控制公开(公告)号：US20140293494A1
公开(公告)日：2014-10-02
申请号：US14225796
申请日：2014-03-26
发明人： William F. Allen , Dennis Haes , Bryan J. Fazzari
CPC分类号： H02H7/20 , H02H1/0061 , H02H1/0092 , H02H7/261 , H02J13/0006 , Y02E60/724 , Y02E60/725 , Y02E60/74 , Y04S10/18 , Y04S10/20 , Y04S10/30 , Y10T307/469
摘要： Disclosed are adaptive communication assisted protection and control. Local intelligent electronic devices (IEDs) associated with local switching devices and having unique IDs may transmit switch status and unique IDs to an area IED. The area IED may calculate topology using switch status, and provide control information to local IEDs using the topology. The area IED may communicate the unique ID of the local IED calculated to be immediately upstream of each local IED and, upon detection of a fault, the local IEDs may send blocking signals that include the received unique ID of the IED immediately upstream therefrom. The area IED may communicate control commands that include the unique IDs and control commands for the local IEDs to take the control action. Upon matching of the unique ID in the control command with its own unique ID, the local IEDs may take the control action and transmit remaining actions.
摘要翻译： 披露了自适应通信辅助保护和控制。 与本地交换设备相关联并具有唯一ID的本地智能电子设备（IED）可将交换机状态和唯一ID发送到区域IED。 区域IED可以使用开关状态计算拓扑结构，并使用拓扑结构向本地IED提供控制信息。 区域IED可以传达计算为紧邻每个本地IED上游的本地IED的唯一ID，并且在检测到故障时，本地IED可以在其上游发送包括接收到的IED唯一ID的阻塞信号。 区域IED可以传达包括本地IED的唯一ID和控制命令的控制命令以采取控制动作。 在控制命令中的唯一ID与其自己的唯一ID匹配时，本地IED可以采取控制动作并发送剩余动作。
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29.发明授权Systems and methods for protection of components in electrical power delivery systems 有权用于保护电力输送系统中组件的系统和方法公开(公告)号：US08792217B2
公开(公告)日：2014-07-29
申请号：US12882521
申请日：2010-09-15
申请人： Saurabh B. Shah , Kamal Garg , Scott M. Manson
发明人： Saurabh B. Shah , Kamal Garg , Scott M. Manson
IPC分类号： H02H7/00
CPC分类号： G06F1/30 , G06F11/0793 , H02H7/00 , H02H7/062 , H02H7/261
摘要： Various embodiments disclosed herein provide protection to monitored equipment at both a local level and a system level, in order to offer more comprehensive protection. In one particular embodiment, the protected equipment may include one or more generators. The protection system may utilize time-synchronized data in order to analyze data provided by systems having disparate sampling rates, that are monitored by different equipment, and/or equipment that is geographically separated. Various embodiments may be configured to utilize a variety of sampling rates.
摘要翻译： 为了提供更全面的保护，本文公开的各种实施例在本地级和系统级都提供对被监视设备的保护。 在一个具体实施例中，被保护设备可以包括一个或多个发电机。 保护系统可以利用时间同步的数据来分析由具有不同设备监视的不同采样率的系统和/或地理上分离的设备提供的数据。 各种实施例可以被配置为利用各种采样率。
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公开(公告)号：US20140111896A1
公开(公告)日：2014-04-24
申请号：US13654988
申请日：2012-10-18
IPC分类号： H02H3/02
CPC分类号： H02J13/0062 , H02H1/0023 , H02H1/0084 , H02H7/261 , Y02B90/2638 , Y02E60/725 , Y02E60/7838 , Y04S10/20 , Y04S40/124
摘要： In a power protection and distribution assembly a trip system monitors electrical current and sends a current status signal to an arc flash protection system indicating whether current characteristic of an arc event is detected. The arc flash protection system evaluates this current status signal along with a light status signal indicating whether light characteristic of an arc event has been detected. Based on this evaluation, the arc flash protection system sends a control signal to the trip system for controlling the trip system to trip a breaker. The systems each include a full-duplex signaling module for sending the signals between the systems over a pair of conductors. Each signaling module sends one of the signals by modulating the magnitude of a current through or a voltage across the conductors, and receives the other signal by demodulating the magnitude of the current through or the voltage across the conductors, as distinctively modulated by the other signaling module.
摘要翻译： 在电力保护和配电组件中，跳闸系统监视电流并将电流状态信号发送到电弧闪光保护系统，指示是否检测到电弧事件的电流特性。 电弧闪光保护系统评估该当前状态信号以及指示是否检测到电弧事件的光特性的光状态信号。 基于此评估，电弧闪光保护系统向跳闸系统发送控制信号，以控制跳闸系统跳闸断路器。 这些系统各自包括用于通过一对导体在系统之间发送信号的全双工信令模块。 每个信号模块通过调制通过导体的电流的大小或通过导体两端的电压来发送信号之一，并且通过解调通过导体的电流的大小或通过导体的电压来接收另一个信号，由另一信号 模块。
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