CURRENT SATURATION DETECTION AND CLAMPING CIRCUIT AND METHOD
    1.
    发明申请
    CURRENT SATURATION DETECTION AND CLAMPING CIRCUIT AND METHOD 有权
    电流饱和度检测与钳位电路及方法

    公开(公告)号:US20140268435A1

    公开(公告)日:2014-09-18

    申请号:US13829319

    申请日:2013-03-14

    IPC分类号: H02H3/02

    CPC分类号: H02H3/33 H02H3/283

    摘要: A method and circuit for detecting and clamping current in a ground fault circuit interrupter circuit. In accordance with an embodiment the circuit includes an amplifier connected to a switch, where in the amplifier has an input connected to a first conduction terminal of the switch through a resistor and another input connected to a second conduction terminal of the switch. An output of the amplifier is connected to a control terminal of the switch. The circuit may include a ground fault circuit interrupter engine having an input connected to the first conduction terminal of the switch and another second input connected to the second conduction terminal of the switch.

    摘要翻译: 一种用于检测和钳位接地故障电路断路器电路中的电流的方法和电路。 根据实施例,电路包括连接到开关的放大器,其中在放大器中具有通过电阻器连接到开关的第一导电端子的输入端,以及连接到开关的第二导通端子的另一输入端。 放大器的输出端连接到开关的控制端。 该电路可以包括具有连接到开关的第一导通端子的输入端和连接到开关的第二导通端子的另一个第二输入的接地故障电路断续器引擎。

    GROUND FAULT CIRCUIT INTERRUPTER AND METHOD
    2.
    发明申请
    GROUND FAULT CIRCUIT INTERRUPTER AND METHOD 有权
    接地故障电路中断器和方法

    公开(公告)号:US20130215537A1

    公开(公告)日:2013-08-22

    申请号:US13829366

    申请日:2013-03-14

    IPC分类号: H02H3/16

    摘要: A method and circuit for determining a circuit element parameter in a ground fault circuit interrupter circuit. An electrical signal provided to a first node is used to generate another electrical signal at a second node. The electrical signal at the second node is multiplexed with a modulation signal to generate a modulated signal that is then filtered and converted into a digital representation of a portion of the circuit element parameter. The electrical signal at the second node is multiplexed with the modulation signal after it has been phase shifted to produce a modulated signal that is filter and converted into a digital representation of another portion of the circuit element parameter. In another aspect, a slope based solenoid self-test method is used for self-testing in a GFCI circuit. Alternatively, a method for determining a wiring fault is provided using a digital filter.

    摘要翻译: 一种用于确定接地故障电路断续器电路中的电路元件参数的方法和电路。 提供给第一节点的电信号用于在第二节点产生另一电信号。 第二节点处的电信号与调制信号多路复用,以产生经过滤波的调制信号,并将其转换为电路元件参数的一部分的数字表示。 第二节点上的电信号在相移之后与调制信号多路复用,以产生被滤波的调制信号并转换成电路元件参数的另一部分的数字表示。 另一方面,在GFCI电路中使用基于斜率的电磁自检方法进行自检。 或者,使用数字滤波器提供用于确定布线故障的方法。

    GROUND FAULT CIRCUIT INTERRUPTER AND METHOD
    3.
    发明申请
    GROUND FAULT CIRCUIT INTERRUPTER AND METHOD 有权
    接地故障电路中断器和方法

    公开(公告)号:US20110080177A1

    公开(公告)日:2011-04-07

    申请号:US12572870

    申请日:2009-10-02

    IPC分类号: G01R31/14 G01R27/00 G01R19/00

    摘要: A method and circuit for determining a circuit element parameter in a ground fault circuit interrupter circuit. An electrical signal provided to a first node is used to generate another electrical signal at a second node. The electrical signal at the second node is multiplexed with a modulation signal to generate a modulated signal that is then filtered and converted into a digital representation of a portion of the circuit element parameter. The electrical signal at the second node is multiplexed with the modulation signal after it has been phase shifted to produce a modulated signal that is filter and converted into a digital representation of another portion of the circuit element parameter. In another aspect, a slope based solenoid self-test method is used for self-testing in a GFCI circuit. Alternatively, a method for determining a wiring fault is provided using a digital filter.

    摘要翻译: 一种用于确定接地故障电路断续器电路中的电路元件参数的方法和电路。 提供给第一节点的电信号用于在第二节点产生另一电信号。 第二节点处的电信号与调制信号多路复用,以产生经过滤波的调制信号,并将其转换为电路元件参数的一部分的数字表示。 第二节点上的电信号在相移之后与调制信号多路复用,以产生被滤波的调制信号并转换成电路元件参数的另一部分的数字表示。 另一方面,在GFCI电路中使用基于斜率的电磁自检方法进行自检。 或者,使用数字滤波器提供用于确定布线故障的方法。

    GROUND FAULT CIRCUIT INTERRUPTER AND METHOD
    4.
    发明申请
    GROUND FAULT CIRCUIT INTERRUPTER AND METHOD 有权
    接地故障电路中断器和方法

    公开(公告)号:US20140266272A1

    公开(公告)日:2014-09-18

    申请号:US13829394

    申请日:2013-03-14

    IPC分类号: G01R31/3187

    摘要: A ground fault interrupter circuit and a method for operating a ground fault interrupter that includes configuring the ground fault interrupter to perform a plurality of self tests. The ground fault interrupter may be configured to perform a ground fault self test, a grounded-neutral self test, and a trip circuit self test.

    摘要翻译: 一种接地故障断续器电路和一种用于操作接地故障断续器的方法,包括配置接地故障中断器以执行多个自检。 接地故障中断器可以配置为执行接地故障自检,接地中性自检和跳闸电路自检。

    METHOD FOR DETERMINING A CIRCUIT ELEMENT PARAMETER
    5.
    发明申请
    METHOD FOR DETERMINING A CIRCUIT ELEMENT PARAMETER 有权
    确定电路元件参数的方法

    公开(公告)号:US20140210484A1

    公开(公告)日:2014-07-31

    申请号:US13752596

    申请日:2013-01-29

    IPC分类号: G01R31/02

    摘要: A method for determining a circuit element parameter in a ground fault circuit interrupter circuit. An electrical signal provided to a first node is used to generate another electrical signal at a second node. The electrical signal at the second node is multiplexed with a modulation signal to generate a modulated signal that is then filtered and converted into a digital representation of a portion of the circuit element parameter. The electrical signal at the second node is multiplexed with the modulation signal after it has been phase shifted to produce a modulated signal that is filter and converted into a digital representation of another portion of the circuit element parameter. In another aspect, a slope based solenoid self-test method is used for self-testing in a GFCI circuit. Alternatively, a method for determining a wiring fault is provided using a digital filter.

    摘要翻译: 一种用于确定接地故障电路断续器电路中的电路元件参数的方法。 提供给第一节点的电信号用于在第二节点产生另一电信号。 第二节点处的电信号与调制信号多路复用,以产生经过滤波的调制信号,并将其转换为电路元件参数的一部分的数字表示。 第二节点上的电信号在相移之后与调制信号多路复用,以产生被滤波的调制信号并转换成电路元件参数的另一部分的数字表示。 另一方面,在GFCI电路中使用基于斜率的电磁自检方法进行自检。 或者,使用数字滤波器提供用于确定布线故障的方法。

    IMPEDANCE MEASURING CIRCUIT
    6.
    发明申请
    IMPEDANCE MEASURING CIRCUIT 有权
    阻抗测量电路

    公开(公告)号:US20130214800A1

    公开(公告)日:2013-08-22

    申请号:US13752565

    申请日:2013-01-29

    IPC分类号: G01R27/16

    摘要: A method and circuit for determining a circuit element parameter in a ground fault circuit interrupter circuit. An electrical signal provided to a first node is used to generate another electrical signal at a second node. The electrical signal at the second node is multiplexed with a modulation signal to generate a modulated signal that is then filtered and converted into a digital representation of a portion of the circuit element parameter. The electrical signal at the second node is multiplexed with the modulation signal after it has been phase shifted to produce a modulated signal that is filter and converted into a digital representation of another portion of the circuit element parameter. In another aspect, a slope based solenoid self-test method is used for self-testing in a GFCI circuit. Alternatively, a method for determining a wiring fault is provided using a digital filter.

    摘要翻译: 一种用于确定接地故障电路断续器电路中的电路元件参数的方法和电路。 提供给第一节点的电信号用于在第二节点产生另一电信号。 第二节点处的电信号与调制信号多路复用,以产生经过滤波的调制信号,并将其转换为电路元件参数的一部分的数字表示。 第二节点上的电信号在相移之后与调制信号多路复用,以产生被滤波的调制信号并转换成电路元件参数的另一部分的数字表示。 另一方面,在GFCI电路中使用基于斜率的电磁自检方法进行自检。 或者,使用数字滤波器提供用于确定布线故障的方法。

    Ground fault circuit interrupter and method
    7.
    发明授权
    Ground fault circuit interrupter and method 有权
    接地故障电路断路器及方法

    公开(公告)号:US08390297B2

    公开(公告)日:2013-03-05

    申请号:US12572870

    申请日:2009-10-02

    IPC分类号: G01R31/14

    摘要: A method and circuit for determining a circuit element parameter in a ground fault circuit interrupter circuit. An electrical signal provided to a first node is used to generate another electrical signal at a second node. The electrical signal at the second node is multiplexed with a modulation signal to generate a modulated signal that is then filtered and converted into a digital representation of a portion of the circuit element parameter. The electrical signal at the second node is multiplexed with the modulation signal after it has been phase shifted to produce a modulated signal that is filter and converted into a digital representation of another portion of the circuit element parameter. In another aspect, a slope based solenoid self-test method is used for self-testing in a GFCI circuit. Alternatively, a method for determining a wiring fault is provided using a digital filter.

    摘要翻译: 一种用于确定接地故障电路断续器电路中的电路元件参数的方法和电路。 提供给第一节点的电信号用于在第二节点产生另一电信号。 第二节点处的电信号与调制信号多路复用,以产生经过滤波的调制信号,并将其转换为电路元件参数的一部分的数字表示。 第二节点上的电信号在相移之后与调制信号多路复用,以产生被滤波的调制信号并转换成电路元件参数的另一部分的数字表示。 另一方面,在GFCI电路中使用基于斜率的电磁自检方法进行自检。 或者,使用数字滤波器提供用于确定布线故障的方法。

    Bi-directional current measurement circuit that uses a transconductance amplifier to generate a copy current
    8.
    发明授权
    Bi-directional current measurement circuit that uses a transconductance amplifier to generate a copy current 有权
    使用跨导放大器产生复制电流的双向电流测量电路

    公开(公告)号:US06946828B1

    公开(公告)日:2005-09-20

    申请号:US10442618

    申请日:2003-05-20

    申请人: Kent D. Layton

    发明人: Kent D. Layton

    IPC分类号: G01R19/00 G01R33/00

    CPC分类号: G01R19/0092

    摘要: A current measurement circuit that measures current passing through two loads. The circuit includes a differential output transconductance amplifier. One current output terminal pf the amplifier receives the current from the first load with the first voltage input terminal coupled to that current output terminal. The second current output terminal provides a current to the second load with the second voltage input terminal coupled to the second current output terminal with the current provided at the second output terminal being approximately equal to the current received at the first current output terminal. The transconductance amplifier provides a copy current on the third current output terminal this is approximately equal to at least one of the other output currents. That copy current is then directly measured, rather than the actual current passing through the loads.

    摘要翻译: 测量通过两个负载的电流的电流测量电路。 该电路包括差分输出跨导放大器。 放大器的一个电流输出端子接收来自第一负载的电流,第一电压输入端子耦合到该电流输出端子。 第二电流输出端子提供与第二电压输入端子耦合到第二电流输出端子的第二负载电流,而在第二输出端子处提供的电流大致等于在第一电流输出端子接收的电流。 跨导放大器在第三电流输出端子上提供复制电流,其大致等于其它输出电流中的至少一个。 然后直接测量复制电流,而不是通过负载的实际电流。

    Stable floating gate voltage reference using interconnected current-to-voltage and voltage-to-current converters
    9.
    发明授权
    Stable floating gate voltage reference using interconnected current-to-voltage and voltage-to-current converters 有权
    使用互连的电流 - 电压和电压 - 电流转换器稳定的浮动栅极电压参考

    公开(公告)号:US06768371B1

    公开(公告)日:2004-07-27

    申请号:US10393333

    申请日:2003-03-20

    IPC分类号: G05F110

    CPC分类号: G05F1/561

    摘要: A programmable voltage reference circuit that includes a current-to-voltage converter circuit, a voltage-to-current converter circuit, and a floating gate. The current-to-voltage converter circuit has two current input terminals and a voltage output terminal. The voltage-to-current converter circuit has two voltage input terminals and two current output terminals. The two current output terminals are each coupled to a corresponding current input terminal of the current-to-voltage converter circuit. A floating gate device has one terminal coupled to a fixed voltage supply, and one terminal coupled to an input terminal of the voltage-to-current converter. The other input terminal of the voltage-to-current converter is coupled to the voltage reference output terminal of the programmable voltage reference circuit. Also, the voltage output terminal of the current-to-voltage converter circuit is coupled to the negative voltage input terminal of the voltage-to-current input circuit.

    摘要翻译: 一种可编程电压参考电路,包括电流 - 电压转换器电路,电压 - 电流转换器电路和浮动栅极。 电流 - 电压转换器电路具有两个电流输入端子和电压输出端子。 电压 - 电流转换器电路具有两个电压输入端子和两个电流输出端子。 两个电流输出端子各自耦合到电流 - 电压转换器电路的对应的电流输入端子。 浮置栅极器件具有耦合到固定电压源的一个端子,以及耦合到电压 - 电流转换器的输入端子的一个端子。 电压 - 电流转换器的另一输入端耦合到可编程参考电压的参考电压输出端。 此外,电压 - 电压转换器电路的电压输出端子耦合到电压 - 电流输入电路的负电压输入端子。