Method for reassigning the role of a wireless node in a wireless network
    21.
    发明授权
    Method for reassigning the role of a wireless node in a wireless network 有权
    在无线网络中重新分配无线节点的角色的方法

    公开(公告)号:US09277586B2

    公开(公告)日:2016-03-01

    申请号:US13786580

    申请日:2013-03-06

    CPC classification number: H04W84/18 H04W84/20

    Abstract: A method for maintaining network lifetime of a wireless network in wireless communication system, the network including a plurality of device nodes. Selected ones of the wireless nodes have assigned roles in the wireless network. To improve and maintain network lifetime the method includes determining a below threshold operating condition of a first sensor node assigned to a first role and re-assigning the first role to another second node in said network. In other aspects of the invention a method, system and a computer program for carrying out the method are described.

    Abstract translation: 一种用于在无线通信系统中维持无线网络的网络寿命的方法,所述网络包括多个设备节点。 所选择的无线节点已经在无线网络中分配了角色。 为了改善和维持网络寿命,该方法包括确定分配给第一角色的第一传感器节点的低于阈值操作条件并将第一角色重新分配给所述网络中的另一第二节点。 在本发明的其他方面,描述了用于执行该方法的方法,系统和计算机程序。

    Methods, systems, and computer readable media for adaptive out of step protection for power generators with load resynchronization capability
    22.
    发明授权
    Methods, systems, and computer readable media for adaptive out of step protection for power generators with load resynchronization capability 有权
    用于具有负载再同步能力的发电机的自适应失步保护的方法,系统和计算机可读介质

    公开(公告)号:US09270120B2

    公开(公告)日:2016-02-23

    申请号:US14428630

    申请日:2012-10-09

    Abstract: Methods, systems, and computer readable media for adaptive out of step protection for power generators with load resynchronization capability are disclosed. According to one method, when a fault condition occurs in a load being supplied by a power generator, a number of pole slips expected to occur in the generator due to the fault before resynchronization is estimated. It is determined whether the estimated number of pole slips exceeds a threshold. An offline or online status of the generator is controlled based on the determination as to whether the estimated number of pole slips exceeds the threshold.

    Abstract translation: 公开了用于具有负载再同步能力的发电机的自适应失步保护的方法,系统和计算机可读介质。 根据一种方法,当在由发电机提供的负载中发生故障状况时,估计由于再同步之前的故障而在发电机中发生的极滑数。 确定估计的极滑数是否超过阈值。 基于关于所估计的极滑数是否超过阈值的确定来控制发电机的离线或在线状态。

    Battery energy storage, battery energy storage system, method, computer program and computer program product
    23.
    发明授权
    Battery energy storage, battery energy storage system, method, computer program and computer program product 有权
    电池储能,电池储能系统,方法,电脑程式及电脑程式产品

    公开(公告)号:US09257870B2

    公开(公告)日:2016-02-09

    申请号:US14535805

    申请日:2014-11-07

    Inventor: Tomas Tengner

    Abstract: A battery energy storage arranged to be connected to a capacitor link, which is connected in parallel to a power converter. The battery energy storage includes a battery module and a direct current energy source connected in series with a voltage source converter. The voltage source converter is adapted to insert a positive voltage when the voltage of the battery module falls below a first threshold value, and to insert a negative voltage when the voltage of the battery module exceeds a second threshold value. The direct current energy source is adapted to be either charged or discharged during the voltage insertion by the voltage source converter. The disclosure also provides a battery energy storage system including such battery energy storage.

    Abstract translation: 电池能量存储器,其被布置成连接到电容器链路,电容器链路并联连接到电力转换器。 电池能量存储器包括与电压源转换器串联连接的电池模块和直流电源。 电压源转换器适于在电池模块的电压低于第一阈值时插入正电压,并且当电池模块的电压超过第二阈值时插入负电压。 直流电源适于在电压源转换器的电压插入期间被充电或放电。 本公开还提供了一种包括这种电池能量存储的电池能量存储系统。

    Method And System For Fluid Flow Control In A Fluid Network System
    24.
    发明申请
    Method And System For Fluid Flow Control In A Fluid Network System 有权
    流体网络系统中流体流量控制的方法和系统

    公开(公告)号:US20150337849A1

    公开(公告)日:2015-11-26

    申请号:US14653176

    申请日:2013-12-11

    CPC classification number: F04D27/00 E21F1/02 G05B15/02 G05D7/0682

    Abstract: It is presented a method of controlling fluid flow in a fluid network system by means of a plurality of fluid machines. The method comprises the steps of a) obtaining a respective current fluid flow rate associated with each fluid machine, b) obtaining a current fluid machine speed of each fluid machine, c) obtaining desired fluid flow rates in the fluid network system, d) determining a new fluid machine speed for each fluid machine based on the current fluid machine speeds and a change in the fluid machine speed required to obtain the desired fluid flow rates, wherein the change in the fluid machine speed is determined by minimizing a total fluid machine power which is a function dependent of the change in the fluid machine speed, the minimization being performed with constraints for fluid flow rate, fluid machine pressure and fluid machine speed, and e) controlling the speed of the plurality of fluid machines according to the new fluid machine speeds such that the minimum total fluid machine power in the fluid network system is attained. A computer program product and a control system are also presented herein.

    Abstract translation: 提出了一种通过多个流体机器控制流体网络系统中的流体流动的方法。 该方法包括以下步骤:a)获得与每个流体机器相关联的相应的当前流体流速,b)获得每个流体机器的当前流体机器速度,c)获得流体网络系统中的期望流体流速; d)确定 基于当前流体机器速度和获得所需流体流速所需的流体机器速度的变化,每个流体机器的新的流体机器速度,其中流体机器速度的变化通过使总流体机械功率最小化来确定 这是取决于流体机器速度变化的函数,最小化是用流体流速,流体机械压力和流体机器速度的约束进行的,以及e)根据新流体控制多个流体机器的速度 机器速度使流体网络系统中的最小总流体机械功率达到。 本文还介绍了计算机程序产品和控制系统。

    PERMANENT MAGNET MACHINE WITH HYBRID CAGE AND METHODS FOR OPERATING SAME
    25.
    发明申请
    PERMANENT MAGNET MACHINE WITH HYBRID CAGE AND METHODS FOR OPERATING SAME 审中-公开
    具有混合笼的永久磁铁机及其操作方法

    公开(公告)号:US20150318774A1

    公开(公告)日:2015-11-05

    申请号:US14650857

    申请日:2013-11-20

    CPC classification number: H02K21/042 H02K11/042 H02K21/46 H02K2213/06

    Abstract: A permanent magnet machine with a hybrid cage and methods for operating same are disclosed. According to one aspect, the subject matter described herein includes a rotor and hybrid cage for an electrical machine, the rotor comprising a rotor body having a central axis and including a plurality of permanent magnets positioned to create a plurality of rotor magnetic poles distributed around a peripheral surface of the rotor. The rotor also includes a hybrid cage that includes conductive loops around each of the rotor magnetic poles, where the conductive loops are controllable to form a closed circuit or an open circuit around each of the rotor magnetic poles. A closed circuit may be created when a magnetic field having a field strength or change of field strength that exceeds a threshold magnitude is present, such as during a fault condition, and an open circuit may be created when a magnetic field having a field strength or change of field strength that exceeds a threshold magnitude is not present, such as during normal operation.

    Abstract translation: 公开了一种具有混合笼的永久磁铁机及其操作方法。 根据一个方面,本文所述的主题包括用于电机的转子和混合笼,所述转子包括具有中心轴线的转子体,并且包括多个永磁体,所述多个永磁体被定位成产生分布在其周围的多个转子磁极 转子周边表面。 转子还包括一个混合笼,其包括围绕每个转子磁极的导电环,其中导电环可控制以形成围绕每个转子磁极的闭合回路或开路。 当存在具有超过阈值幅度的场强或场强的变化的磁场时,例如在故障状态期间,可产生闭合电路,并且当具有场强或 例如在正常操作期间,不存在超过阈值幅度的场强的变化。

    Method For Detecting A Fault Condition In An Electrical Machine
    26.
    发明申请
    Method For Detecting A Fault Condition In An Electrical Machine 审中-公开
    电机故障检测方法

    公开(公告)号:US20150276823A1

    公开(公告)日:2015-10-01

    申请号:US14440271

    申请日:2013-10-03

    CPC classification number: G01R19/02 G01R23/00 G01R31/34 G01R31/343 G01R31/346

    Abstract: A method for identifying a fault condition in an electrical machine in which at least a stator or a rotor has parallel winding branches is disclosed. A measurement is carried out for obtaining a set of circulating current values between two parallel winding branches of which each winding branch includes a single coil. A frequency analysis is applied on the set of circulating current values to obtain at least one frequency component. A fault condition of the electrical machine is determined on the basis of the at least one frequency component.

    Abstract translation: 公开了一种用于识别至少定子或转子具有平行绕组分支的电机中的故障状况的方法。 进行测量,以获得两个平行绕组分支之间的一组循环电流值,其中每个绕组分支包括单个线圈。 对该组循环电流值进行频率分析以获得至少一个频率分量。 基于至少一个频率分量来确定电机的故障状况。

    SELF SUPPLIED PROTECTION RELAY WITH A MODULE TO BOOST PERFORMANCE
    27.
    发明申请
    SELF SUPPLIED PROTECTION RELAY WITH A MODULE TO BOOST PERFORMANCE 有权
    自助提供保护继电器,提升性能

    公开(公告)号:US20150270697A1

    公开(公告)日:2015-09-24

    申请号:US14730785

    申请日:2015-06-04

    CPC classification number: H02H1/063 H02H3/05 H02H3/093 H02H3/105

    Abstract: A protection relay is disclosed that generates a trip signal to operate a circuit breaker in case of a fault condition. A first module provides measurement and analysis of power parameters of the power line connecting the power equipment that is being protected, the protection being provided by generating a first trip signal for operating a circuit breaker connected in the power line. One or more second modules can boost performance of the protection relay by measurement and analysis of power parameters-to generate a second trip signal for operating a circuit breaker connected in the power line. The first trip signal and the second trip signal are logically combined to generate a trip signal that operates the circuit breaker.

    Abstract translation: 公开了一种保护继电器,其在故障情况下产生跳闸信号以操作断路器。 第一模块提供连接被保护的电力设备的电力线的功率参数的测量和分析,通过产生用于操作连接在电力线路中的断路器的第一跳闸信号来提供保护。 一个或多个第二模块可以通过测量和分析功率参数来提高保护继电器的性能,以产生用于操作连接在电力线路中的断路器的第二跳闸信号。 第一跳闸信号和第二跳闸信号被逻辑地组合以产生操作断路器的跳闸信号。

    Detecting islanding conditions in power networks
    28.
    发明授权
    Detecting islanding conditions in power networks 有权
    检测电网孤岛状况

    公开(公告)号:US09124127B2

    公开(公告)日:2015-09-01

    申请号:US13790899

    申请日:2013-03-08

    Abstract: A method is provided for detecting islanding conditions in an electric power network which includes a plurality of sub-networks. The sub-networks include at least one power electrical unit and are separable from each other and a main grid supplying the network by switching devices. The method includes determining topological information of at least one sub-network of interest, detecting islanding conditions in at least one sub-network of interest on the basis of the topological information by using separate detecting devices for each sub-network of interest, and sending, on the basis of the islanding conditions detected by using the detecting devices, a disconnect signal to at least one power electrical unit in at least one sub-network of interest.

    Abstract translation: 提供了一种用于检测包括多个子网络的电力网络中的孤岛状况的方法。 子网络包括至少一个电力单元,并且可以彼此分离,并且主网格由切换设备提供网络。 该方法包括确定感兴趣的至少一个子网络的拓扑信息,通过使用针对感兴趣的每个子网络的单独的检测设备,基于拓扑信息来检测至少一个感兴趣的子网络中的孤岛状态,以及发送 基于通过使用检测装置检测到的孤岛状态,在至少一个感兴趣的子网络中的至少一个电力单元的断开信号。

    METHOD AND EAR PROTECTION SYSTEM FOR MONITORING AN INDUSTRIAL PROCESS
    29.
    发明申请
    METHOD AND EAR PROTECTION SYSTEM FOR MONITORING AN INDUSTRIAL PROCESS 审中-公开
    用于监测工业过程的方法和保护系统

    公开(公告)号:US20150177734A1

    公开(公告)日:2015-06-25

    申请号:US14408015

    申请日:2013-06-19

    Abstract: A method of monitoring an industrial process by means of an ear protection system having an ear protection unit with a left speaker and a right speaker includes obtaining a direction from which a sound is to be provided based on an angle between a coordinate system defined by the ear protection unit and a coordinate system defined by an industrial process environment of the industrial process, and on a location of the origin of the coordinate system of the ear protection unit in the coordinate system of the industrial process environment relative a location of an industrial process component in the coordinate system of the industrial process environment; obtaining real-time process variable data relating to at least one process variable of the industrial process component; and providing a 3-d sound that simulates an origination from the direction by means of at least one of the left speaker and the right speaker, which 3-d sound is indicative of a state of the industrial process component, wherein the 3-d sound simulates a realistic sound of the at least one process variable, reflecting a real-time state of the at least one process variable. An ear protection system carrying out the method is also presented herein.

    Abstract translation: 通过具有具有左扬声器和右扬声器的耳朵保护单元的耳朵保护系统来监视工业过程的方法包括:根据由所述耳机保护系统定义的坐标系之间的角度获得要提供声音的方向 耳保护单元和由工业过程的工业过程环境定义的坐标系以及在工业过程环境的坐标系中相对于工业过程的位置的耳朵保护单元的坐标系的起源的位置 在工业过程环境坐标系中的组成部分; 获得与工业过程组件的至少一个过程变量有关的实时过程变量数据; 并且通过左扬声器和右扬声器中的至少一个提供模拟从该方向起始的3-d声音,该3-d声音表示工业过程组件的状态,其中3-d 声音模拟所述至少一个过程变量的真实声音,反映所述至少一个过程变量的实时状态。 本文还介绍了执行该方法的耳朵保护系统。

    DETERMINING THE NETWORK TOPOLOGY OF A COMMUNICATION NETWORK
    30.
    发明申请
    DETERMINING THE NETWORK TOPOLOGY OF A COMMUNICATION NETWORK 有权
    确定通信网络的网络拓扑

    公开(公告)号:US20150156072A1

    公开(公告)日:2015-06-04

    申请号:US14577115

    申请日:2014-12-19

    Inventor: Hubert KIRRMANN

    Abstract: A network management agent, device or module determine the network topology of a communication network based on at least one neighbor network or end device identity and corresponding network link communication delay collected from, determined by, and stored in a Management Information Base of, at least one first network device of the communication network. Neighbor identities and communication delays are determined according to the IEEE 1588 standard.

    Abstract translation: 网络管理代理,设备或模块至少基于至少一个邻居网络或终端设备身份以及至少从一个管理信息库确定并存储在其中的相应网络链路通信延迟来确定通信网络的网络拓扑。 通信网络的一个第一网络设备。 根据IEEE 1588标准确定邻居身份和通信延迟。

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