Circuit breaker
    1.
    发明授权

    公开(公告)号:US11373816B2

    公开(公告)日:2022-06-28

    申请号:US16331542

    申请日:2017-09-07

    Inventor: Kenan Askan

    Abstract: A low-voltage circuit breaker includes: at least one external conductor section of an external conductor power terminal of the low-voltage circuit breaker connected to an external conductor load terminal of the low-voltage circuit breaker; and a neutral conductor section of a neutral conductor connection of the low-voltage circuit breaker connected to a neutral conductor load terminal of the low-voltage circuit breaker. A mechanical bypass switch is arranged in the at least one external conductor section. A semiconductor circuit arrangement of the low-voltage circuit breaker is switched parallel to the bypass switch. A first current measuring arrangement is arranged in the at least one external conductor section, which is connected to an electronic control unit of the low-voltage circuit breaker. The electronic control unit is configured to actuate the bypass switch and the semiconductor circuit arrangement when a prespecifiable overcurrent is detected by the current measuring arrangement.

    Low-voltage protection device
    2.
    发明授权

    公开(公告)号:US10998708B2

    公开(公告)日:2021-05-04

    申请号:US16479976

    申请日:2018-01-25

    Inventor: Kenan Askan

    Abstract: A low-voltage protective device includes: at least one outer conductor path from an outer conductor power terminal of the low-voltage protective device to an outer conductor load terminal of the low-voltage protective device; a neutral conductor path from a neutral conductor terminal of the low-voltage protective device to a neutral conductor load terminal of the low-voltage protective device; a mechanical bypass switch arranged in the outer conductor path; a first semiconductor circuit arrangement connected in parallel to the mechanical bypass switch, the first semiconductor circuit arrangement having at least one power semiconductor, such as an IGBT, with a control terminal, such as a gate terminal; an electronic control unit; a current-measurement arrangement arranged in the outer conductor path, connected to the electronic control unit of the protective device; and at least one voltage measurement arrangement for detecting a Miller effect-induced voltage spike at the at least one power semiconductor.

    Direct current circuit breaker device

    公开(公告)号:US10978258B2

    公开(公告)日:2021-04-13

    申请号:US16963265

    申请日:2019-01-21

    Abstract: A DC circuit breaker includes: a first current section of a first electrical polarity from a first supply terminal of the DC circuit breaker to a first load terminal of the DC circuit breaker; a second current section of a second electrical polarity from a second supply terminal of the DC circuit breaker to a second load terminal of the DC circuit breaker; a mechanical bypass switch arranged in the first current section or the second current section, the mechanical bypass switch having at least one bypass switch excitation coil; a first semiconductor circuit arrangement connected in parallel with the mechanical bypass switch; an electronic control unit of the DC circuit breaker for actuating the first semiconductor circuit arrangement; a second semiconductor circuit arrangement to be actuated by the electronic control unit, which second semiconductor circuit arrangement is connected to the bypass switch excitation coil by circuitry.

    Low-voltage circuit breaker
    4.
    发明授权

    公开(公告)号:US10930458B2

    公开(公告)日:2021-02-23

    申请号:US16331530

    申请日:2017-09-08

    Abstract: A low-voltage circuit breaker includes: at least one external conductor section from an external conductor power terminal of the low-voltage circuit breaker to an external conductor load terminal of the low-voltage circuit breaker; a neutral conductor section from a neutral conductor terminal of the low-voltage circuit breaker to a neutral conductor load terminal of the low-voltage circuit breaker; a mechanical bypass switch arranged in the external conductor section; a semiconductor circuit arrangement switched in parallel to the bypass switch; an electronic control unit; and a first current measuring arrangement arranged in the external conductor section, the first current measuring arrangement including a first shunt, which is connected to the electronic control unit. The electronic control unit actuates the mechanical bypass switch and the semiconductor circuit arrangement upon detecting a prespecifiable overcurrent that includes a short circuit current, by the current measuring arrangement.

    CIRCUIT BREAKER
    5.
    发明申请
    CIRCUIT BREAKER 审中-公开

    公开(公告)号:US20200185163A1

    公开(公告)日:2020-06-11

    申请号:US16542354

    申请日:2019-08-16

    Inventor: Kenan Askan

    Abstract: A circuit breaker includes: a live line between a live supply connecting terminal and a live load connecting terminal; a neutral line between a neutral supply connecting terminal and a neutral load connecting terminal; a processing unit; a mechanical switch located in the live line, which mechanical switch is controllable by the processing unit; a trigger for interrupting the live line and/or the neutral line; and an auxiliary line connecting the neutral line with the live line between the mechanical switch and the live load connecting terminal, the auxiliary line including serially a current limiting resistor and a control switch controllable by the processing unit. The processing unit controls the control switch and to open and close at least the mechanical switch for a removal of oxidation layers of mechanical contacts of at least the mechanical switch by controlled arcing.

    Electrical AC/DC conversion arrangement

    公开(公告)号:US11695269B2

    公开(公告)日:2023-07-04

    申请号:US17267868

    申请日:2019-07-29

    Inventor: Kenan Askan

    CPC classification number: H02H7/1257 H02H3/087 H02H7/16 H02M1/32 H02M7/219

    Abstract: An AC/DC converter includes an AC circuit breaker, configured as a hybrid circuit or semiconductor circuit breaker; a rectifier; a smoothing capacitor; a semiconductor switch connected in series with the smoothing capacitor; and a first isolation relay for galvanic isolation. One input of the AC circuit breaker forms an AC input of the converter. One output of the AC circuit breaker is connected with an input of the rectifier. The smoothing capacitor, and the first semiconductor switch, connect a first output of the rectifier with its second output. The first output of the rectifier is connected with one input of the first isolation relay. The one output of the first isolation relay forms a first DC output of the AC/DC converter. The AC circuit breaker, the first semiconductor switch, and the first isolation relay are interconnected.

    Low-voltage protection switch unit

    公开(公告)号:US11588321B2

    公开(公告)日:2023-02-21

    申请号:US16479943

    申请日:2017-12-11

    Inventor: Kenan Askan

    Abstract: A low-voltage protection switch unit, such as a motor protection switch, includes: at least an external conductor line, from an external line supply terminal of the low-voltage protection switch unit to an external line load terminal of the low-voltage protection switch unit; a neutral conductor line, from a neutral conductor terminal of the low-voltage protection switch unit to a neutral conductor load terminal of the low-voltage protection switch unit; a mechanical bypass switch arranged in the external conductor line; a semiconductor circuit arrangement connected in parallel with the mechanical bypass switch; an electronic control unit for actuating the mechanical bypass switch and the semiconductor circuit arrangement in a specifiable manner; and a current measurement arrangement connected to the electronic control unit, the current measurement arrangement being arranged at least in the external conductor line. The electronic control unit switches the semiconductor circuit arrangement on/off in a specifiable clocked manner.

    Circuit breaker
    8.
    发明授权

    公开(公告)号:US11367578B2

    公开(公告)日:2022-06-21

    申请号:US16331535

    申请日:2017-09-08

    Inventor: Kenan Askan

    Abstract: A circuit breaker includes: at least one external conductor section from an external conductor supply terminal of the circuit breaker to an external conductor load terminal of the circuit breaker; and one neutral conductor section from a neutral conductor terminal of the circuit breaker to a neutral conductor load terminal of the circuit breaker. A mechanical bypass switch is arranged in the at least one external conductor section. A semiconductor circuit arrangement of the circuit breaker, which semiconductor circuit arrangement comprises a four-quadrant switch, is connected in parallel with the bypass switch. A current measuring arrangement is arranged in the at least one external conductor section and is connected to an electronic control unit of the circuit breaker. The electronic control unit is configured to operate the bypass switch and the semiconductor circuit arrangement in a prespecifiable manner. A voltage-dependent resistor is arranged in parallel with the bypass switch.

    Circuit-breaker with reduced breakdown voltage requirement

    公开(公告)号:US11295919B2

    公开(公告)日:2022-04-05

    申请号:US16536351

    申请日:2019-08-09

    Inventor: Kenan Askan

    Abstract: A circuit-breaker includes: an input terminal for connecting the circuit-breaker to a voltage source; an output terminal for connecting t the circuit-breaker to a load; a switching circuit having an input side connected to the input terminal and having an output side; and a separation switching unit connected to the output terminal and to the output side of the switching circuit. The switching circuit includes a first current path and a second current path, the first and the second current path being connected in parallel between the input side and the output side. The switching circuit includes a varistor device and a controllable switching component, the varistor device and the controllable switching component being connected in series between the first and the second current path.

    LOW-VOLTAGE CIRCUIT BREAKER DEVICE
    10.
    发明申请

    公开(公告)号:US20210203149A1

    公开(公告)日:2021-07-01

    申请号:US16650487

    申请日:2018-09-25

    Inventor: Kenan Askan

    Abstract: A low-voltage circuit breaker device includes: at least one line conductor path from a line conductor supply connection of the low-voltage circuit breaker device to a line conductor load connection of the low-voltage circuit breaker device; a neutral conductor path from a neutral conductor connection of the low-voltage circuit breaker device to a neutral conductor load connection of the low-voltage circuit breaker device; a mechanical bypass switch arranged in the line conductor path; a first semiconductor circuit assembly of the low-voltage circuit breaker device being connected in parallel with the mechanical bypass switch; an electronic control unit for actuating the mechanical bypass switch and the first semiconductor circuit assembly; an ammeter assembly arranged in the line conductor path, which ammeter assembly is connected to the electronic control unit; and a second semiconductor circuit assembly arranged in the line conductor path.

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