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    • 3. 发明申请
    • INDEPENDENT SHUTTER SYSTEM FOR RACK-IN BREAKERS
    • 独立的快门切割机系统
    • WO2014142875A1
    • 2014-09-18
    • PCT/US2013/031345
    • 2013-03-14
    • SCHNEIDER ELECTRIC USA, INC.
    • SCHROEDER, David
    • H02B11/24
    • H02B11/24H02B11/133
    • A switchgear interlock system includes a circuit breaker with clusters of connector fingers separated from each other by respective cluster shields. In a connected position, the connector fingers engage respective bus connectors of bus bars for electrical contact. When the circuit breaker is disconnected from the bus bars, independently movable shutters cover access to the bus connectors to prevent inadvertent contact with the bus connectors. Each shutter includes a pedestal with an attached movable mount and movable curtain. As the circuit breaker is moved into the connected position, the mount slides along the pedestal towards the bus connector causing the curtain to open and allow the connector fingers to engage the bus connectors. As the circuit breaker is being disconnected, a return spring causes the mount to slide along the pedestal away from the bus connectors causing the curtain to close and prevent access to the bus connectors.
    • 开关柜互锁系统包括具有通过相应的簇屏蔽彼此分离的连接器指状物簇的断路器。 在连接位置,连接器指状物接合汇流条的相应总线连接器用于电接触。 当断路器与母线断开连接时,独立可移动的快门可覆盖总线连接器的通路,以防止与总线连接器的无意接触。 每个挡板包括具有附接的可移动安装座和活动窗帘的基座。 当断路器移动到连接位置时,安装架沿着基座朝向总线连接器滑动,导致窗帘打开,并允许连接器手指接合总线连接器。 当断路器断开时,复位弹簧使安装座沿着基座远离总线连接器滑动,导致窗帘关闭并阻止接入总线连接器。
    • 4. 发明申请
    • SUPPLY REGULATION CIRCUIT WITH ENERGY EFFICIENT DIGITAL CONTROL
    • 具有能源效率数字控制的供电调节电路
    • WO2014142842A1
    • 2014-09-18
    • PCT/US2013/030947
    • 2013-03-13
    • SCHNEIDER ELECTRIC USA, INC.
    • JEFFERIES, Kevin, M.
    • G05F1/00
    • H02M3/158H02M3/1563
    • A regulated voltage system with digital control to maintain a regulated voltage supply and protection against overcurrents is disclosed. A regulated supply voltage circuit including a voltage output and a charging capacitor is coupled to a direct current power source. The regulated supply voltage output supplies power to an electrical load. A shunt transistor is coupled between the direct current power source and the regulated supply voltage circuit and ground. A shunt control circuit operates the shunt transistor between an open and closed state. The shunt control circuit includes a cross-coupled bias circuit coupled to a controller. The controller operates the shunt transistor according to a state machine having a first state to close the shunt transistor when the regulated supply voltage exceeds a maximum hysteresis voltage and a second state to open the shunt transistor when the regulated supply voltage is less than a minimum hysteresis voltage.
    • 公开了一种具有数字控制的稳压电压系统,用于维持稳压电源和防过流保护。 包括电压输出和充电电容器的稳压电源电压电路耦合到直流电源。 稳压电源电压输出为电力负载供电。 分流晶体管耦合在直流电源和调节电源电压电路和地之间。 分路控制电路在分开的晶体管处于断开状态和闭合状态之间操作。 分路控制电路包括耦合到控制器的交叉耦合偏置电路。 当调节的电源电压超过最大滞后电压时,控制器根据具有第一状态的状态机操作分流晶体管,以在调节的电源电压小于最小滞后时打开分流晶体管的第二状态 电压。
    • 5. 发明申请
    • OPEN POTENTIOMETER DETECTION SYSTEM
    • 开放式电位计检测系统
    • WO2014105761A1
    • 2014-07-03
    • PCT/US2013/077284
    • 2013-12-20
    • SCHNEIDER ELECTRIC USA, INC.
    • JEFFERIES, Kevin
    • G01R31/01G01R31/02
    • G01R35/00G01R31/026
    • A system to detect whether a potentiometer is in an open circuit condition is disclosed. The system includes a potentiometer having a resistive element coupled between a voltage input and ground and an adjustable arm determining the resistance of the resistive element. A low pass filter is coupled to the adjustable arm. A controller has a first driver output coupled to the voltage input of the potentiometer and a second driver output coupled to the adjustable arm. The controller determines failure of the potentiometer by setting the first driver output coupled to the voltage input of the potentiometer to a high value. A first sample voltage from the adjustable arm is read and determined whether the first sample voltage is between a high threshold and a low threshold value. The first driver output coupled to the voltage input of the potentiometer is set to a low value. A voltage is applied to the adjustable arm via the second driver output. A second sample is read from the adjustable input and it is determined whether the second sample is below an arm threshold value.
    • 公开了一种用于检测电位器是否处于开路状态的系统。 该系统包括具有耦合在电压输入和地之间的电阻元件的电位计和确定电阻元件的电阻的可调节臂。 低通滤波器耦合到可调臂。 控制器具有耦合到电位计的电压输入的第一驱动器输出和耦合到可调节臂的第二驱动器输出。 控制器通过将耦合到电位计的电压输入的第一个驱动器输出设置为一个高值来确定电位器的故障。 读取并确定来自可调节臂的第一采样电压是否第一采样电压在高阈值和低阈值之间。 耦合到电位计的电压输入的第一个驱动器输出设置为低值。 电压通过第二驱动器输出施加到可调臂上。 从可调输入读取第二样本,并且确定第二样本是否低于手臂阈值。
    • 6. 发明申请
    • OPEN SPRING MECHANICAL CLAMPING LUG
    • 打开弹簧机械夹紧力
    • WO2014042953A1
    • 2014-03-20
    • PCT/US2013/058259
    • 2013-09-05
    • SCHNEIDER ELECTRIC USA, INC.
    • WEIDEN, Conrad
    • H01R4/48H01R11/26
    • H01R11/26H01R4/4818H01R2101/00
    • A mechanical lug assembly for an electrical power device includes a spring clamp and a cradle. The spring clamp has a fixed section, a clamping section, and a deflecting section. The deflecting section has a deflecting spring force DF to allow flexible bending of the clamping section relative to the fixed section. The clamping section is offset relative to the fixed section. The cradle has a fastened section mounted to the fixed section to form a closed end of the lug assembly. The cradle has a terminal section extending from the fastened section along the clamping section to form an open end of the lug assembly. The cradle further has a pair of side walls extending at an angle from respective sides of the terminal section towards the spring clamp. The clamping section is fixed in place between the side walls.
    • 一种用于电力装置的机械凸耳组件包括弹簧夹和支架。 弹簧夹具有固定部分,夹紧部分和偏转部分。 偏转部分具有偏转弹簧力DF以允许夹紧部分相对于固定部分的挠性弯曲。 夹紧部分相对于固定部分偏移。 托架具有安装到固定部分的紧固部分,以形成凸耳组件的封闭端。 托架具有从紧固部分沿着夹紧部分延伸的端子部分,以形成凸耳组件的开口端。 所述支架还具有一对侧壁,所述一对侧壁从所述端子部分的相应侧朝向所述弹簧夹具以一定角度延伸。 夹紧部分固定在侧壁之间。