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    • 1. 发明申请
    • RELIABILITY CALCULATION FOR SUBSTATION AUTOMATION SYSTEMS
    • 基站自动化系统的可靠性计算
    • US20120239320A1
    • 2012-09-20
    • US13429917
    • 2012-03-26
    • Christian FREIJean-Charles TournierThomas WernerWolfgang Wimmer
    • Christian FREIJean-Charles TournierThomas WernerWolfgang Wimmer
    • G06F19/00H01H71/04
    • G05B23/0248H04L41/12H04L41/5012H04L43/0805Y04S40/164Y04S40/168
    • A method and device automatically extract, to a maximum extent, reliability-relevant information from a Substation Configuration Description (SCD) file describing an electric power transmission or distribution substation. The information in the SCD file is used to identify the physical topology of a communication network of a Substation Automation (SA) system, and all dataflow relating to a given SA functionality or Logical Node (LN). An LN reliability measure for the latter is calculated, involving reliability indications specific to each element or device participating in the dataflow. A number of LN reliability measures are consolidated to produce an overall reliability for the SA system architecture or communication network topology. The method and tool minimize the engineering effort required to perform a reliability calculation, and thus allow comparing the reliability of different SA architectures with minimal effort and intervention of a reliability engineer.
    • 一种方法和装置在最大程度上自动提取描述电力传输或分配变电站的变电站配置描述(SCD)文件的可靠性相关信息。 SCD文件中的信息用于识别变电站自动化(SA)系统的通信网络的物理拓扑,以及与给定的SA功能或逻辑节点(LN)相关的所有数据流。 计算后者的LN可靠性度量,涉及对参与数据流的每个元件或设备特有的可靠性指示。 整合了一些LN可靠性措施,以为SA系统架构或通信网络拓扑提供整体可靠性。 该方法和工具最大限度地减少了执行可靠性计算所需的工程工作,从而允许以可靠性工程师的最小努力和干预比较不同SA架构的可靠性。
    • 2. 发明授权
    • Reliability calculation for Substation Automation systems
    • 变电站自动化系统的可靠性计算
    • US08886475B2
    • 2014-11-11
    • US13429917
    • 2012-03-26
    • Christian FreiJean-Charles TournierThomas WernerWolfgang Wimmer
    • Christian FreiJean-Charles TournierThomas WernerWolfgang Wimmer
    • G01R31/00H04L12/24G05B23/02H04L12/26
    • G05B23/0248H04L41/12H04L41/5012H04L43/0805Y04S40/164Y04S40/168
    • A method and device automatically extract, to a maximum extent, reliability-relevant information from a Substation Configuration Description (SCD) file describing an electric power transmission or distribution substation. The information in the SCD file is used to identify the physical topology of a communication network of a Substation Automation (SA) system, and all dataflow relating to a given SA functionality or Logical Node (LN). An LN reliability measure for the latter is calculated, involving reliability indications specific to each element or device participating in the dataflow. A number of LN reliability measures are consolidated to produce an overall reliability for the SA system architecture or communication network topology. The method and tool minimize the engineering effort required to perform a reliability calculation, and thus allow comparing the reliability of different SA architectures with minimal effort and intervention of a reliability engineer.
    • 一种方法和装置在最大程度上自动提取描述电力传输或分配变电站的变电站配置描述(SCD)文件的可靠性相关信息。 SCD文件中的信息用于识别变电站自动化(SA)系统的通信网络的物理拓扑,以及与给定的SA功能或逻辑节点(LN)相关的所有数据流。 计算后者的LN可靠性度量,涉及对参与数据流的每个元件或设备特有的可靠性指示。 整合了一些LN可靠性措施,以为SA系统架构或通信网络拓扑提供整体可靠性。 该方法和工具最大限度地减少了执行可靠性计算所需的工程工作,从而允许以可靠性工程师的最小努力和干预比较不同SA架构的可靠性。
    • 4. 发明授权
    • Substation automation system with protection functions
    • 变电站自动化系统具有保护功能
    • US09136697B2
    • 2015-09-15
    • US13345203
    • 2012-01-06
    • Thomas WernerJean-Charles Tournier
    • Thomas WernerJean-Charles Tournier
    • G05D3/12H02H7/26H02H1/00
    • H02H7/261H02H1/0061Y02E60/723Y04S10/16
    • A Substation Automation (SA) system is configured to perform protection functions for a bay of an electrical power distribution substation, receive, via a communication link, redundancy protection commands from a remote center, and execute the redundancy protection commands for the bay. The SA system is configured to transmit to a redundant protection server of the remote center, process values measured by measurement equipment of the substation, and to receive, from the redundant protection server, and forward, via the process bus, the received redundancy protection commands directed to operating equipment of the substation. Thus, for multiple SA systems, redundant protection functions are implemented and provided cost-efficiently by one common remote central unit.
    • 变电站自动化(SA)系统被配置为执行电力分配变电站的隔间的保护功能,经由通信链路从远程中心接收冗余保护命令,并且执行用于该间隔的冗余保护命令。 SA系统被配置为传送到远程中心的冗余保护服务器,处理由变电站的测量设备测量的值,并且从冗余保护服务器接收并经由过程总线转发接收到的冗余保护命令 针对变电站的操作设备。 因此,对于多个SA系统,冗余保护功能由一个共同的远程中央单元以成本有效的方式实现和提供。
    • 6. 发明授权
    • Substation automation with redundant protection
    • 变电站自动化具有冗余保护
    • US08433451B2
    • 2013-04-30
    • US13005907
    • 2011-01-13
    • Jean-Charles TournierThomas Werner
    • Jean-Charles TournierThomas Werner
    • G05D11/00
    • H02H7/261H02H1/0061H02H3/05Y02E60/723Y04S10/16
    • Exemplary embodiments are directed to a redundancy scheme for bay protection in Substation Automation (SA) that prevents a single failing Intelligent Electronic Device (IED) of the SA system from impairing the operation of a bay of a substation. A protection IED assigned to a home or host bay of a substation of an electric power system performs the protection functions of the bay to which it is assigned, plus protection functions of at least one of its neighboring bays. As a result, each bay can be managed by two different protection IEDs, wherein redundancy is achieved without a dedicated redundant protection IED for each bay. Whenever required to do so, the protection IED receives, from appropriate sensors, information about a status or value of a process quantity from the neighboring bay, computes or executes protection functionality such as overcurrent, overvoltage or earth fault on behalf of the neighboring bay, and issues commands directed to actuators of said neighboring bay.
    • 示例性实施例涉及用于防止SA系统的单个故障智能电子设备(IED)损害变电站的间隔的操作的变电站自动化(SA)中的间隔保护的冗余方案。 分配给电力系统的变电站的家庭或主机托架的保护IED执行其被分配到的托架的保护功能,以及至少其一个相邻托架的保护功能。 因此,每个托架可以由两个不同的保护IED进行管理,其中实现冗余,而不需要为每个托架提供专用的冗余保护IED。 无论何时需要这样做,IED的保护从适当的传感器接收关于来自相邻托架的过程数量的状态或值的信息,代表邻近的托架计算或执行诸如过电流,过电压或接地故障的保护功能, 并发出指向所述相邻隔间的致动器的命令。
    • 8. 发明申请
    • TIME SYNCHRONIZATION IN INDUSTRIAL PROCESS CONTROL OR AUTOMATION SYSTEMS
    • 工业过程控制或自动化系统的时间同步
    • US20110135047A1
    • 2011-06-09
    • US13019703
    • 2011-02-02
    • Jean-Charles TOURNIERThomas Werner
    • Jean-Charles TOURNIERThomas Werner
    • H04L7/00
    • G05B19/0421G05B2219/25049H04J3/0641H04J3/0644H04J3/14Y02B70/3241Y04S20/227
    • Improved time synchronization is provided among the devices of an industrial process control system, e.g., a Substation Automation system, during a temporary absence of a system reference time. Hence, disruption of time-critical protection and control functions due to re-synchronization following the temporary absence of the system reference time is avoided, and the availability of time-critical functions configured on the devices is increased. During normal operation, a device of the system records an offset or discrepancy between the system reference time and an internal local clock of the device for a period of several hours. As soon as the system reference time breaks down, the device starts predicting the offset or drift between its local clock and the unavailable system reference time based on the recorded offset history. As a transient clock master, the device then distributes an approximated or transient system reference time, based on the device's local clock corrected for the predicted offset, to other devices of the system which, in turn, run time-critical protection and control functions.
    • 在暂时不存在系统参考时间的情况下,在工业过程控制系统(例如变电站自动化系统)的设备之间提供改进的时间同步。 因此,避免了在暂时不存在系统参考时间之后由于重新同步而导致的时间紧迫的保护和控制功能的中断,并且增加了在设备上配置的时间关键功能的可用性。 在正常操作期间,系统的设备在几个小时的时间内记录系统参考时间和设备的内部本地时钟之间的偏移或差异。 一旦系统参考时间出现故障,设备将基于记录的偏移历史开始预测其本地时钟与不可用的系统参考时间之间的偏移或漂移。 作为瞬态时钟主机,器件然后根据器件对预测偏移校正的本地时钟分配近似或瞬态系统参考时间到系统的其他器件,而该器件又运行时间关键的保护和控制功能。
    • 9. 发明申请
    • SUBSTATION AUTOMATION DEVICE AND SYSTEM
    • 基站自动化装置和系统
    • US20110307114A1
    • 2011-12-15
    • US13173838
    • 2011-06-30
    • Steven A. KunsmanJean-Charles TournierThomas Werner
    • Steven A. KunsmanJean-Charles TournierThomas Werner
    • G06F1/28G06F1/26
    • H02J13/00G06F9/5077H02H7/261H02J13/001
    • Exemplary embodiments provide separate SA system-level functionalities or tasks, which are conventionally performed by a multitude of distinct station-level devices, through a single SA device having a plurality of Processing Units (PU). The latter are either distinct Central Processing Units (CPUs) mounted on the same processor board, or distinct processing cores of a single multi-core CPU sharing the same Random Access Memory (RAM). Virtualization techniques are used in supporting multiple instances of Operating Systems (OS) on the plurality of PUs, to create distinct and mutually isolated execution environments are created. Each of these execution environments hosts a single functionality out of a Supervisory Control And Data Acquisition (SCADA) functionality, a gateway functionality, an engineering workplace functionality, and a firewall functionality.
    • 示例性实施例提供单独的SA系统级功能或任务,其通常由具有多个处理单元(PU)的单个SA设备通常由多个不同的站级设备执行。 后者是安装在同一处理器板上的不同的中央处理单元(CPU),或共享相同随机存取存储器(RAM)的单个多核CPU的不同处理核心。 虚拟化技术被用于支持多个PU上的操作系统(OS)的多个实例,以创建不同且相互隔离的执行环境。 这些执行环境中的每一个都从监控和数据采集(SCADA)功能,网关功能,工程工作场所功能和防火墙功能中承载单个功能。