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    • 71. 发明申请
    • Energy consumption in electrical drive
    • 电力能耗
    • US20050209798A1
    • 2005-09-22
    • US11022298
    • 2004-12-22
    • Kari Ranta
    • Kari Ranta
    • G01R22/00H02P27/06G06F19/00
    • H02P27/06G01R22/00
    • The invention relates to a measurement and evaluation method of energy consumption in an electrical drive, said electrical drive including a control unit and an AC motor. In the method, data of the state of the AC motor, such as power and frequency, is read and saved. According to the invention, in the method: the data from the control unit related to the state of the AC motor is utilized so that in predetermined one or several measurement time periods, at predetermined measurement intervals at the measurement points (ti), the state data is read, and the measurement values of power and frequency (Pi, fi) are saved in the measurement register, the energy consumption of the electrical drive is calculated at least in one predetermined measurement time period, the power value of a virtual AC motor that is fed by constant-frequency input current is defined on the basis of the power and frequency values saved in the measurement register, the energy consumption of the virtual AC motor fed by constant-frequency input current are calculated in said measurement time period, the energy consumption of an alternative control arrangement is defined in said measurement time period, the calculated energy consumptions of the virtual AC motor and the alternative control arrangement are added together, and the energy consumption of the electrical drive is compared with the added total energy consumption of the virtual AC motor and the alternative control arrangement in order to evaluate the energy savings achieved by the electrical drive in the measurement time period in question The invention also relates to an arrangement for realizing the method.
    • 本发明涉及一种电力驱动器中能量消耗的测量和评估方法,所述电气驱动器包括控制单元和AC电动机。 在该方法中,读取并保存交流电动机的状态(例如功率和频率)的数据。 根据本发明,在该方法中,利用与AC电动机的状态相关的来自控制单元的数据,使得在预定的一个或多个测量时间段中,在测量点(t i)处以预定的测量间隔 ),读取状态数据,将功率和频率的测量值保存在测量寄存器中,该能量 至少在一个预定测量时间段内计算电力驱动的消耗,基于保存在测量寄存器中的功率和频率值来定义由恒定频率输入电流馈送的虚拟AC电动机的功率值, 在所述测量时间段中计算由恒定频率输入电流馈送的虚拟AC电动机的能量消耗,在所述测量时间段内定义替代控制装置的能量消耗,计算出的虚拟交流电动机的能量消耗 将交流电动机和替代控制装置相加在一起,将电力驱动器的能量消耗与虚拟交流电动机和替代控制装置的总能耗相加,以评估电气驱动器实现的节能 所涉及的测量时间段本发明还涉及一种用于实现该方法的装置。
    • 74. 发明申请
    • Modular meter configuration and methodology
    • US20050162149A1
    • 2005-07-28
    • US11080745
    • 2005-03-15
    • David MakinsonLudlow Philpot
    • David MakinsonLudlow Philpot
    • G01R11/02G01R11/04G01R11/24G01R22/00G01R11/32
    • G01R22/066
    • A modular electricity meter configuration and corresponding methodology permits use of certain common components in combination with either a variety of mechanical displays or electronic displays. In electricity meter arrangements making use of printed circuit board or solid state technology, at least two separate electronics boards may be provided. One may constitute a standard board for basic metrology functions while the other may comprise selected implementation of various higher level functions for creating a custom design electricity meter to meet customer requirements. Different customers may be provided with differently outfitted meters by corresponding customization of the higher level function board. A unitary power supply may be provided for both boards through a fixed connector. A common baseplate includes a circuitry link through a nonremovable plug or clip for alternatively providing a tamper proof embodiment or one with exposed terminals for permitting customer testing. Physical stability and strength is provided by using tapered mounting posts and integrated snap fit arrangements without requiring any screws for assembly. A light pipe provides external output through an innercover to indicate correct meter operation. Meter data and other metered information may be output through different configurations optionally involving hardwired output, RF links, pulse outputs, and telephone connections via modem or wireless.
    • 77. 发明申请
    • Programmable electricity consumption monitoring system and method
    • 可编程耗电量监测系统及方法
    • US20050060107A1
    • 2005-03-17
    • US10663313
    • 2003-09-16
    • Ernest RodenbergRobert Borden
    • Ernest RodenbergRobert Borden
    • G01D4/00G01R22/00H02J13/00G06F19/00
    • G01D4/006G01R22/00Y02B90/243Y02B90/245Y04S20/325Y04S20/40Y04S20/46
    • A programmable system for monitoring electricity consumption by a residence or business, including: (a) a Measuring Transmitting Unit integrated in a main circuit breaker or utility meter in the residence or business; comprising: (1) a means of receiving AC analog signals, converting the AC analog signals to DC analog signals, summing the DC analog signals, and outputting the information; (2) a microcontroller; (3) a power line carrier transmission interface controller; and (4) a power supply for powering the Measuring Transmitting Unit; and (b) a programmable Receiving Display Unit, comprising: (1) a power supply for powering the Receiving Display Unit; (2) a power plug; (3) a power line carrier transmission interface controller; (4) a data decoder; (5) a microcontroller; (6) memory associated with the microcontroller; (7) a visual display; and (8) a mechanism for inputting to the Receiving Display Unit; and wherein the Measuring Transmitting Unit translates current to digitally encoded signals, and transmits the signals over existing power circuits in the residence or business; and the Receiving Display Unit receives the signals, decodes them, and translates them for viewing. A method for monitoring electricity consumption by a residence or business is also included.
    • 一种用于监测住宅或业务的用电量的可编程系统,包括:(a)集成在住宅或业务中的主断路器或公用事业仪表上的测量传输单元; 包括:(1)接收AC模拟信号的装置,将AC模拟信号转换成DC模拟信号,对DC模拟信号进行求和并输出信息; (2)微控制器; (3)电力线载波传输接口控制器; 和(4)用于为测量传输单元供电的电源; 和(b)可编程接收显示单元,包括:(1)为接收显示单元供电的电源; (2)电源插头; (3)电力线载波传输接口控制器; (4)数据解码器; (5)微控制器; (6)与微控制器相关的存储器; (7)视觉显示; 和(8)用于输入到接收显示单元的机构; 并且其中所述测量传输单元将电流转换为数字编码的信号,并且将所述信号传输到所述住宅或业务中的现有电力电路; 接收显示单元接收信号,对它们进行解码,并将其翻译以供查看。 还包括一个监测住宅或商业用电量的方法。