Island detection and control of a microgrid

    公开(公告)号:US10833507B2

    公开(公告)日:2020-11-10

    申请号:US15826350

    申请日:2017-11-29

    Inventor: Scott M. Manson

    Abstract: This disclosure pertains to control systems used in electric power systems. In one embodiment, a plurality of intelligent electronic devices (IEDs) is configured to monitor a respective portion of an electric power system. Each IED may obtain electric power system measurements from the respective portion of the electric power system, determine electric power system operating conditions from the electric power system measurements, and transmit the electric power system operating conditions. A master controller may communicate with the plurality of IEDs. The master controller may comprise a communications interface configured to receive the electric power system operating conditions from the plurality of IEDs, a topology detection subsystem configured to determine a topology of the electric power system based on a common event detected by the plurality of IEDs, and an action subsystem configured to implement a control action or a protective action based on the topology of the electric power system.

    Decentralized generator control
    36.
    发明授权

    公开(公告)号:US09906041B2

    公开(公告)日:2018-02-27

    申请号:US15071512

    申请日:2016-03-16

    CPC classification number: H02J3/46 G05B15/02 H02J3/381 H02J3/42

    Abstract: The present disclosure pertains to distributed controllers configured to control a plurality of electrical generators in an electrical generation and distribution system. In one embodiment, a distributed controller consistent with the present disclosure may include a communication subsystem to obtain a first plurality of time-stamped electrical parameter measurements from a first node. A measurement analysis subsystem may compare the first plurality of time-stamped electrical parameter measurements and the second plurality of time-stamped electrical parameter measurements. The first node and the second node may be associated in an electrical island by a topology detection subsystem based on the correlation. A control subsystem may be configured to implement a control action based on the association of the first node and the second node in the electrical island.

    COMMUNICATION LINK MONITORING AND FAILOVER

    公开(公告)号:US20170288950A1

    公开(公告)日:2017-10-05

    申请号:US15084089

    申请日:2016-03-29

    CPC classification number: H04L41/0668 H04L43/0811 H04L43/0817 H04L45/22

    Abstract: The present disclosure relates to systems and methods for detection of a failed communication link and rerouting network traffic around the failure. One embodiment of a system consistent with the present disclosure may comprise a communication subsystem in communication with the data network and configured to transmit information to a recipient. The system may also include a confirmatory signal subsystem configured to generate a confirmatory signal. The confirmatory signal may be inserted into a stream of data to be transmitted to the recipient through a first communication path. Upon detection of a disruption in the confirmatory signal, a failover subsystem configured to reroute the stream of network data to be transmitted to the recipient through a second communication path. The second communication path may comprise one or more physical connections in the network that are distinct from the first communication path.

    Decentralized Generator Control
    38.
    发明申请

    公开(公告)号:US20170271882A1

    公开(公告)日:2017-09-21

    申请号:US15071512

    申请日:2016-03-16

    CPC classification number: H02J3/46 G05B15/02 H02J3/381 H02J3/42

    Abstract: The present disclosure pertains to distributed controllers configured to control a plurality of electrical generators in an electrical generation and distribution system. In one embodiment, a distributed controller consistent with the present disclosure may include a communication subsystem to obtain a first plurality of time-stamped electrical parameter measurements from a first node. A measurement analysis subsystem may compare the first plurality of time-stamped electrical parameter measurements and the second plurality of time-stamped electrical parameter measurements. The first node and the second node may be associated in an electrical island by a topology detection subsystem based on the correlation. A control subsystem may be configured to implement a control action based on the association of the first node and the second node in the electrical island.

    DETECTION AND CORRECTION OF FAULT INDUCED DELAYED VOLTAGE RECOVERY
    39.
    发明申请
    DETECTION AND CORRECTION OF FAULT INDUCED DELAYED VOLTAGE RECOVERY 有权
    故障诱导延迟电压恢复的检测和校正

    公开(公告)号:US20160246666A1

    公开(公告)日:2016-08-25

    申请号:US14629292

    申请日:2015-02-23

    CPC classification number: G05F1/625

    Abstract: Disclosed herein are methods for detecting and correcting a fault induced delayed voltage recovery event in an electric power transmission and distribution system. In some embodiments, a fault detection subsystem may receive an indication of a fault in the electric power transmission and distribution system. The system may also include a load analysis subsystem to analyze a plurality of loads supplied by the electric power system and to generate an estimated response of the loads. A fault analysis subsystem may analyze a plurality of factors relating to the fault and to determine a probability of the fault generating a fault induced delayed voltage recovery event. A control system may then implement a control strategy within a control window following the fault based on the probability of the fault generating a fault induced delayed voltage recovery event and the estimated response of the at least one load.

    Abstract translation: 这里公开了用于检测和校正电力输送和分配系统中的故障诱发的延迟电压恢复事件的方法。 在一些实施例中,故障检测子系统可以接收电力输送和分配系统中的故障的指示。 该系统还可以包括用于分析由电力系统提供的多个负载并且产生负载的估计响应的负载分析子系统。 故障分析子系统可以分析与故障相关的多个因素,并且确定故障产生故障引起的延迟电压恢复事件的概率。 控制系统然后可以根据故障产生故障引起的延迟电压恢复事件的概率和所述至少一个负载的估计响应,在所述故障之后的控制窗口内实现控制策略。

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