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公开(公告)号：US06708124B2
公开(公告)日：2004-03-16
申请号：US09824414
申请日：2001-04-02
IPC分类号： G01R2100
CPC分类号： G01R35/04 , G01R13/345 , G01R19/2513
摘要： An impulsive transient detection and data acquisition coprocessor for use with a power monitoring device having a processor for performing data sampling and reporting at a given rate. The coprocessor has a processor, an interface for accessing data from the processor, a plurality of channels for monitoring for transients, and at least two independent, switchable memory banks for simultaneous real-time storage and analyses of an incoming transient data stream.
摘要翻译： 脉冲瞬态检测和数据采集协处理器，用于具有用于以给定速率执行数据采样和报告的处理器的功率监测装置。 协处理器具有处理器，用于从处理器访问数据的接口，用于监视瞬变的多个通道，以及用于同时实时存储和分析输入瞬态数据流的至少两个独立的可切换存储器组。
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公开(公告)号：US06487509B1
公开(公告)日：2002-11-26
申请号：US08603750
申请日：1996-02-20
申请人： Valerio Aisa
发明人： Valerio Aisa
IPC分类号： G01R2100
CPC分类号： H02J13/001 , H02J3/14 , H02J13/0086 , H02J2003/143 , Y02B70/3225 , Y02B70/3266 , Y04S20/222 , Y04S20/242 , Y10T307/461 , Y10T307/469
摘要： Apparatus and a method for management of energy consumption by appliances connected to a powered network wherein a plurality of the appliances are each provided with a programmed electronic control system adapted to transmit and receive to and from other electronic control systems and a device for measuring total network power consumption, information from which the power consumption of the appliances on the network and the maximum power available from the network can be determined. Each control system adjusts the power consumption of its corresponding appliance in accordance with the information that it receives and the instructions with which it is programmed without need for a central control unit or user intervention.
摘要翻译： 用于管理连接到动力网络的设备的能量消耗的设备和方法，其中多个设备各自设置有适于与其他电子控制系统发送和接收的编程电子控制系统和用于测量总网络的设备 功率消耗，可以确定网络上的设备的功率消耗和网络可用的最大功率的信息。 每个控制系统根据其接收到的信息和其编程的指令调整其相应的设备的功耗，而无需中央控制单元或用户干预。
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公开(公告)号：US06226600B1
公开(公告)日：2001-05-01
申请号：US09128075
申请日：1998-08-03
IPC分类号： G01R2100
CPC分类号： G01R22/00 , G01R21/133
摘要： A consumer-friendly system for monitoring electricity consumption by a residence or business is provided. The system comprises: (a) a measuring transmitting unit, which comprises: (1) at least two current transformers; (2) means for connecting the measuring transmitting unit to a circuit breaker panel; (3) means for converting AC analog signals to DC analog signals; (4) a microcontroller; (5) a power line carrier transmission interface controller; and (6) a power supply; and (b) a programmable receiving display unit, which comprises: (1) a power supply; (2) a power plug; (3) a power line carrier transmission interface controller; (4) a data decoder and encoder; (5) a microcontroller; (6) memory; (7) a LCD display; and (8) one or more input or mode buttons. The measuring transmitting unit is capable of translating current flowing in main service power circuit conductors to digitally encoded signals, and transmitting the digitally encoded signals over power circuits in the residence or small business. The receiving display unit is capable of receiving the digitally encoded signals being emitted by the measuring transmitting unit, decoding the digitally encoded signals and translating them to the LCD display showing real-time electrical usage and associated monetary costs for viewing by the consumer. A method for monitoring electricity consumption by a residence or business is also included.
摘要翻译： 提供了一个用于监控住宅或商业用电量的消费者友好系统。 该系统包括：（a）测量发射单元，其包括：（1）至少两个电流互感器; （2）用于将测量传送单元连接到断路器面板的装置; （3）用于将AC模拟信号转换为DC模拟信号的装置; （4）微控制器; （5）电力线载波传输接口控制器; 和（6）电源; 和（b）可编程接收显示单元，其包括：（1）电源; （2）电源插头; （3）电力线载波传输接口控制器; （4）数据解码器和编码器; （5）微控制器; （6）记忆; （7）液晶显示器; 和（8）一个或多个输入或模式按钮。测量发射单元能够将在主要业务电力电路中流动的电流转换为数字编码信号，并且通过住宅或小型业务中的电力电路传输数字编码的信号。 接收显示单元能够接收由测量发送单元发射的数字编码信号，对数字编码信号进行解码并将其转换到LCD显示器，显示实时电气使用和相关的货币成本，以供消费者观看。 还包括一个监测住宅或商业用电量的方法。
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公开(公告)号：US06760671B1
公开(公告)日：2004-07-06
申请号：US10118985
申请日：2002-04-09
IPC分类号： G01R2100
CPC分类号： H04W16/14 , H04B1/715 , H04B17/345 , H04W24/00 , Y02D70/142 , Y02D70/144 , Y02D70/40
摘要： A method and implementation disclosed for detecting interference. A state machine controller is provided for establishing an interference detection cycle including a power sample period and a periodic sampling interval. A receiver component, responsive to the state machine controller, performs an energy measurement at a predetermined wireless band during the power sample period. A threshold comparator determines whether the energy measurement exceeds a predetermined threshold. A processing implementation processes the energy measurement to determine whether it corresponds to interference on the predetermined wireless band, if the measurement exceeds the predetermined threshold. A deactivating implementation is used to instruct the state machine controller to await the next power sample period, if the energy measurement does not exceed the predetermined threshold.
摘要翻译： 公开的用于检测干扰的方法和实现。 提供状态机控制器，用于建立包括功率采样周期和周期性采样间隔的干扰检测周期。 响应于状态机控制器的接收器部件在功率采样周期期间在预定的无线频带执行能量测量。 阈值比较器确定能量测量是否超过预定阈值。 如果测量超过预定阈值，则处理实现处理能量测量以确定其是否对应于预定无线频带上的干扰。 如果能量测量不超过预定阈值，则使用去激活实现来指示状态机控制器等待下一个功率采样周期。
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公开(公告)号：US06668232B2
公开(公告)日：2003-12-23
申请号：US10387253
申请日：2003-03-12
IPC分类号： G01R2100
CPC分类号： H02H7/266 , H02H3/38 , H02H3/44 , H02J9/06 , Y10T307/406 , Y10T307/461 , Y10T307/549 , Y10T307/675 , Y10T307/826 , Y10T307/858
摘要： A control arrangement and method is provided for detecting and responding to disturbances in electrical power systems. In a preferred arrangement, an integration is initiated that is based on a comparison of actual voltage of a source and a reference voltage. When the integration exceeds a predetermined value, the source is considered unreliable. Also in a preferred arrangement, a determination is made as to whether or not the disturbance is a downstream fault condition. For example, this is useful for applications where a transfer is made from a first source to a second source when predetermined disturbances are detected. In this manner, the transfer of the load to a second source is avoided which would continue the supply of the downstream fault. Additionally, the arrangement distinguishes between various degrees of disturbances to permit appropriate response based on the severity and type of disturbance. For example, a first immediate response, i.e. without intentional delay, is provided for more severe disturbances while a second delayed response is provided for less severe disturbances. The control arrangements transfers the load to an alternate source of power via the use of a high-speed source-transfer switching system that both avoids undesirable current flow between sources and minimizes undesirable transfer delays.
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公开(公告)号：US06590380B2
公开(公告)日：2003-07-08
申请号：US09995930
申请日：2001-11-28
申请人： Thomas G. Edel
发明人： Thomas G. Edel
IPC分类号： G01R2100
CPC分类号： G01R15/183 , H01F27/427
摘要： The exciting current of a current transformer is calculated and added to the measured secondary current to produce a corrected signal. The exciting current is calculated by first calculating the current transformer induced voltage. The induced voltage is calculated from a parameter related to secondary current and known characteristics of loop impedances through which secondary current flows. The parameter related to secondary current may be the secondary current itself, or a voltage associated with secondary current flowing through an impedance. The calculated induced voltage is then applied across an inductor having similar magnetic properties as the current transformer. By scaling the applied voltage properly, the current flowing in the inductor is approximately proportional to the exciting current of the current transformer. The current in the inductor is measured, and, by applying an appropriate constant of proportionality, the exciting current of the current transformer is determined. A corrected secondary current is then calculated by adding the calculated exciting current to the measured secondary current.
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7.发明授权Methods and apparatus for defining meter data calculations in an electronic electricity meter 有权用于在电子电表中定义仪表数据计算的方法和装置公开(公告)号：US06564159B1
公开(公告)日：2003-05-13
申请号：US09606270
申请日：2000-06-29
IPC分类号： G01R2100
CPC分类号： G01R22/00 , G01R21/133
摘要： The present invention, in one embodiment, is a method for defining meter data calculations in an electronic electric meter. The method includes steps of: storing a set of predefined data calculation instructions in a non-volatile memory of the meter; storing a first set of vectors in a memory of the meter, the vectors pointing to data calculations of the set of predefined data calculation instructions; metering a plurality of electrical quantities of a power source; and controlling calculations performed on the metered electrical quantities in accordance with the data calculation instructions pointed to by the first stored set of vectors.
摘要翻译： 本发明在一个实施例中是用于在电子电表中定义仪表数据计算的方法。 该方法包括以下步骤：将一组预定义的数据计算指令存储在仪表的非易失性存储器中; 将第一组矢量存储在所述仪表的存储器中，所述矢量指向所述一组预定义数据计算指令的数据计算; 计量多个电量的电源; 以及根据由第一组存储的矢量指向的数据计算指令来控制对计量的电量执行的计算。
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8.发明授权Apparatus providing on-line indication of frequency of an AC electric power system 失效提供AC电力系统的频率的在线指示的装置公开(公告)号：US06519537B1
公开(公告)日：2003-02-11
申请号：US09567651
申请日：2000-05-09
申请人： Lifeng Yang
发明人： Lifeng Yang
IPC分类号： G01R2100
摘要： Apparatus for determining the frequency of an ac power signal, includes sensing circuitry to sense the ac signal. In a digital implementation of the invention, a double average of the samples is generated by a processor as the sum of the most recent sample, twice the next most recent sample plus the third most recent sample. The least mean square of a running window of the most recent double average signals is generated to avoid discontinuities at the zero crossings and to reduce the effects of noise. The frequency is determined from this least mean square value of the window of double average signals. As implemented in a protective relay, a trip signal is generated if the frequency is out of limits.
摘要翻译： 用于确定交流电力信号的频率的装置包括感测电路以感测交流信号。 在本发明的数字实现中，样本的两倍平均由处理器产生，作为最新样本的总和，是下一个最近的样本加上第三最近样本的总和。 产生最近的双平均信号的运行窗口的最小均方，以避免零交叉处的不连续性并且减少噪声的影响。 频率由双平均信号窗口的最小均方根值确定。 如在保护继电器中实现的，如果频率超出限制，则产生跳闸信号。
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公开(公告)号：US06411910B1
公开(公告)日：2002-06-25
申请号：US09559132
申请日：2000-04-26
申请人： Wendy B. Eulau , Piyush Saxena , Neil Rasmussen
发明人： Wendy B. Eulau , Piyush Saxena , Neil Rasmussen
IPC分类号： G01R2100
摘要： An Internet-based system and method is set forth for estimating power availability and business process downtime based on specific attributes of a building and business process components contained therein. The system includes a power availability estimator computer coupled to a plurality of user computers via a computer network. The power availability estimator computer can be programmed with a power availability estimator engine, which calculates or estimates the probability that electrical power will be available and/or downtime for a particular building on an annual basis. The power availability estimator engine includes a plurality of equations that cooperate with a probability density function graph to calculate the estimated power availability and business process downtime.
摘要翻译： 基于互联网的系统和方法是基于其中包含的建筑物和业务流程组件的特定属性来估计功率可用性和业务处理停机时间的。 该系统包括经由计算机网络耦合到多个用户计算机的功率可用性估计器计算机。 功率可用性估计器计算机可以用功率可用性估计器引擎来编程，该引擎计算或估计每年对特定建筑物的电力可用性和/或停机时间的概率。 功率可用性估计器引擎包括与概率密度函数图协作以计算估计的功率可用性和业务处理停机时间的多个等式。
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公开(公告)号：US06236947B1
公开(公告)日：2001-05-22
申请号：US09588811
申请日：2000-06-06
IPC分类号： G01R2100
CPC分类号： G01R31/343
摘要： A motor performance analyzer senses currents and voltages applied to the motor, converts the sensed signals to digital data signals, and stores the digital data signals. The analyzer includes a processor for evaluating and comparing the digital data signals to predetermined values for voltage and current of the motor to determine and check for the correct placement of the current and voltage probes along corresponding phases of the motor. The analyzer also includes [and] a display for alerting a user or technician to potential motor problems, or to developing problems, including winding faults and broken rotor bars. [Advanced signal processing techniques are used to further evaluate stored data and to provide trending information.]
摘要翻译： 电动机性能分析仪感测施加到电动机的电流和电压，将感测的信号转换为数字数据信号，并存储数字数据信号。 分析器包括用于评估和比较数字数据信号与电动机的电压和电流的预定值的处理器，以确定并检查电流和电压探头沿着电动机的相位的正确放置。 分析仪还包括[和]用于警告用户或技术人员潜在的电机问题或发展问题的显示器，包括绕组故障和破损的转子条。 [高级信号处理技术用于进一步评估存储的数据并提供趋势信息。]
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