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    • 2. 发明授权
    • System and method for compensating for potential and current transformers in energy meters
    • 用于补偿电能表中电位和电流互感器的系统和方法
    • US07660682B2
    • 2010-02-09
    • US11998736
    • 2007-11-30
    • Frederick B. SlotaAndrew J. Werner
    • Frederick B. SlotaAndrew J. Werner
    • G01R22/00G06F17/40
    • G01R35/04G01R22/06
    • A meter device for measuring electrical energy is provided. The meter device includes circuitry for measuring at least one parameter of electrical energy provided to the meter device. A storage device is provided for storing at least one calibration factor for compensating for errors associated with at least one of at least one external current transformer (CT) and at least one external potential transformer (PT) that operates on the electrical energy provided to the meter device. At least one processor is provided for processing the at least one calibration factor for adjusting the measuring for compensating for the errors when measuring the at least one parameter of electrical energy.
    • 提供了一种用于测量电能的仪表装置。 仪表装置包括用于测量提供给仪表装置的电能的至少一个参数的电路。 提供一种存储装置,用于存储用于补偿与至少一个外部电流互感器(CT)和至少一个外部电位变压器(PT)中的至少一个相关联的误差的至少一个校准因子,所述至少一个外部电流互感器(CT)对提供给 仪表设备。 提供至少一个处理器用于处理所述至少一个校准因子,用于在测量电能的至少一个参数时调整测量以补偿误差。
    • 5. 发明授权
    • System and method for compensating for potential and current transformers in energy meters
    • 用于补偿电能表中电位和电流互感器的系统和方法
    • US08073642B2
    • 2011-12-06
    • US12701921
    • 2010-02-08
    • Frederick B. SlotaAndrew J. Werner
    • Frederick B. SlotaAndrew J. Werner
    • G01R22/00G06F17/40
    • G01R35/04G01R22/06
    • A meter device for measuring electrical energy is provided. The meter device includes circuitry for measuring at least one parameter of electrical energy provided to the meter device. A storage device is provided for storing at least one calibration factor for compensating for errors associated with at least one of at least one external current transformer (CT) and at least one external potential transformer (PT) that operates on the electrical energy provided to the meter device. At least one processor is provided for processing the at least one calibration factor for adjusting the measuring for compensating for the errors when measuring the at least one parameter of electrical energy.
    • 提供了一种用于测量电能的仪表装置。 仪表装置包括用于测量提供给仪表装置的电能的至少一个参数的电路。 提供一种存储装置,用于存储用于补偿与至少一个外部电流互感器(CT)和至少一个外部电位变压器(PT)中的至少一个相关联的误差的至少一个校准因子,所述至少一个外部电流互感器(CT)对提供给 仪表设备。 提供至少一个处理器用于处理所述至少一个校准因子,用于在测量电能的至少一个参数时调整测量以补偿误差。
    • 6. 发明申请
    • SYSTEM AND METHOD FOR SYNCHRONIZING AN AUXILIARY ELECTRICAL GENERATOR TO AN ELECTRICAL SYSTEM
    • 将辅助发电机同步到电气系统的系统和方法
    • US20110115302A1
    • 2011-05-19
    • US13013171
    • 2011-01-25
    • Frederick B. SlotaHenry (Ying Hong) Chen
    • Frederick B. SlotaHenry (Ying Hong) Chen
    • H02J3/42
    • H02J3/42Y10T307/735
    • There is provided herein methods and apparatus for apparatus for controlling the interconnection of an auxiliary AC generator with an electrical system, such as an electrical distribution system, e.g., a utility grid. A measuring circuit measures the frequency of an auxiliary AC generator and the phase angle between one voltage phase of the generator and the correspondent voltage phase of the electric utility's electricity supply lines, i.e., the grid, each of which are averaged and filtered. The measured frequency of the auxiliary AC generator is matched to the frequency of the electrical system and the measured phase angle of the generator is matched to the electric utility's electricity supply lines. Once matching is achieved to within a defined tolerance, interconnecting contactors are closed.
    • 这里提供了用于控制辅助AC发电机与电气系统(例如配电系统,例如公用电网)的互连的装置的方法和装置。 测量电路测量辅助交流发电机的频率以及发电机的一个电压相位与电力公司的供电线路的对应的电压相位之间的相位角,即电网,其平均和滤波。 辅助交流发电机的测量频率与电气系统的频率匹配,发电机的测量相位角与电力公司的供电线路相匹配。 一旦匹配达到规定的公差,互连接触器就会关闭。
    • 7. 发明申请
    • System and method for synchronizing an auxiliary electrical generator to an electrical system
    • 将辅助发电机同步到电气系统的系统和方法
    • US20090055031A1
    • 2009-02-26
    • US11894553
    • 2007-08-21
    • Frederick B. SlotaHenry (Ying Hong) Chen
    • Frederick B. SlotaHenry (Ying Hong) Chen
    • H02P9/00
    • H02J3/42Y10T307/735
    • There is provided herein methods and apparatus for apparatus for controlling the interconnection of an auxiliary AC generator with an electrical system, such as an electrical distribution system, e.g., a utility grid. A measuring circuit measures the frequency of an auxiliary AC generator and the phase angle between one voltage phase of the generator and the correspondent voltage phase of the electric utility's electricity supply lines, i.e., the grid, each of which are averaged and filtered. The measured frequency of the auxiliary AC generator is matched to the frequency of the electrical system and the measured phase angle of the generator is matched to the electric utility's electricity supply lines. Once matching is achieved to within a defined tolerance, interconnecting contactors are closed.
    • 这里提供了用于控制辅助AC发电机与电气系统(例如配电系统,例如公用电网)的互连的装置的方法和装置。 测量电路测量辅助交流发电机的频率以及发电机的一个电压相位与电力公司的电力供应线的相应电压相位之间的相位角,即电网,其平均和滤波。 辅助交流发电机的测量频率与电气系统的频率相匹配,发电机的测量相位角与电力公司的供电线路相匹配。 一旦匹配达到规定的公差,互连接触器就会关闭。
    • 9. 发明授权
    • System and method for synchronizing an auxiliary electrical generator to an electrical system
    • 将辅助发电机同步到电气系统的系统和方法
    • US07877169B2
    • 2011-01-25
    • US11894553
    • 2007-08-21
    • Frederick B. SlotaHenry (Ying Hong) Chen
    • Frederick B. SlotaHenry (Ying Hong) Chen
    • G06F19/00
    • H02J3/42Y10T307/735
    • There is provided herein methods and apparatus for apparatus for controlling the interconnection of an auxiliary AC generator with an electrical system, such as an electrical distribution system, e.g., a utility grid. A measuring circuit measures the frequency of an auxiliary AC generator and the phase angle between one voltage phase of the generator and the correspondent voltage phase of the electric utility's electricity supply lines, i.e., the grid, each of which are averaged and filtered. The measured frequency of the auxiliary AC generator is matched to the frequency of the electrical system and the measured phase angle of the generator is matched to the electric utility's electricity supply lines. Once matching is achieved to within a defined tolerance, interconnecting contactors are closed.
    • 这里提供了用于控制辅助AC发电机与电气系统(例如配电系统,例如公用电网)的互连的装置的方法和装置。 测量电路测量辅助交流发电机的频率以及发电机的一个电压相位与电力公司的供电线路的对应的电压相位之间的相位角,即电网,其平均和滤波。 辅助交流发电机的测量频率与电气系统的频率匹配,发电机的测量相位角与电力公司的供电线路相匹配。 一旦匹配达到规定的公差,互连接触器就会关闭。