ELECTRICAL SWITCHING ARRANGEMENT
    1.
    发明公开

    公开(公告)号:US20240363292A1

    公开(公告)日:2024-10-31

    申请号:US18691699

    申请日:2022-09-19

    发明人: Kenan ASKAN

    IPC分类号: H01H9/54 H01H33/59

    摘要: An electrical switching arrangement comprising a first conductor path and a second conductor path, whereby the second conductor path is connected in parallel to the first conductor path, a first switch which is arranged in the first conductor path, a second switch which is arranged in the second conductor path, it is suggested, that that at least a first semiconductor device is arranged in the second conductor path, and that the first semiconductor device is located in series to the second switch.

    HYBRID CIRCUIT BREAKER HAVING A BRIDGE INDUCTION TRANSFER STRUCTURE

    公开(公告)号:US20180138687A1

    公开(公告)日:2018-05-17

    申请号:US15494115

    申请日:2017-04-21

    IPC分类号: H02H3/02 H01H9/54

    摘要: The present disclosure provides a hybrid circuit breaker having a bridge induction transfer structure, characterized in that the circuit breaker comprises a main current circuit, an over-voltage limiting circuit, and a transfer current circuit; and the main current circuit, the over-voltage limiting circuit, and the transfer current circuit are connected in parallel. The induction transfer circuit in the transfer current circuit comprises an induction transfer inductor, an induction transfer capacitor, and an induction transfer branch power semiconductor device which are connected in series; the transfer current circuit further comprises a bridge circuit comprised of a main loop capacitor; the main loop inductor and the induction transfer inductor are coupled to form a transformer. The present invention can implement fast breaking of the current, and effectively reduce the volume and manufacturing cost of the circuit breaker. With the induction transfer circuit, fast current transfer is implemented. The main loop capacitor needs no pre-charging. Isolation between the secondary charging circuit and the main loop is implemented. The transfer speed is fast, and the breaking reliability is high.

    MAGNETIC PULSE INDUCTED TRANSFER-TYPE DC CIRCUIT BREAKER

    公开(公告)号:US20180137993A1

    公开(公告)日:2018-05-17

    申请号:US15493287

    申请日:2017-04-21

    IPC分类号: H01H9/54

    摘要: The present invention discloses a magnetic pulse inducted transfer-type DC circuit breaker. The DC circuit breaker comprises a main current circuit and a transfer current circuit, the main current circuit comprising a combination of a fast mechanical switch or a mechanical switch with a power electronic device; the transfer current circuit comprises an arrester and a mutual inductor. The voltage generated through a mutual inductor may directly transfer current to the arrestor, thereby eliminating a process of transfer of the current to the capacitor or a power electronic device; it has a high current limiting or breaking speed, with a stability far superior to traditional technologies. The isolation between the capacitance charging unit and the DC system significantly reduces the voltage level and size of the charging unit, and enhances action reliability. The power semiconductor devices or trigger gaps are used at the primary side of the mutual inductor of the transfer current circuit form a bridge circuit, thereby realizing bidirectional current transfer; the bridge circuit is voltage-withstanding and low-cost.

    DC circuit breaker device
    5.
    发明授权

    公开(公告)号:US09948089B2

    公开(公告)日:2018-04-17

    申请号:US14911349

    申请日:2014-04-11

    摘要: In a DC circuit breaker device, first and second semiconductor switches are connected in series on a main circuit line such that current-carrying directions of the switches are opposite to each other. A first diode is connected in anti-parallel with the first semiconductor switch, and a second diode is connected in anti-parallel with the second semiconductor switch. First and second mechanical circuit breakers are connected in series with each other and in parallel with the whole of the first and semiconductor switches. First and second backward current generation circuits are connected in series with each other and in parallel with the whole of the first and second mechanical circuit breakers. An injection switch is connected between a node between the first and second mechanical circuit breakers and a node between the first and second backward current generation circuits.

    DC CIRCUIT BREAKER
    6.
    发明申请
    DC CIRCUIT BREAKER 审中-公开

    公开(公告)号:US20180019084A1

    公开(公告)日:2018-01-18

    申请号:US15540953

    申请日:2015-12-24

    摘要: Disclosed is a DC circuit breaker capable of interrupting fault currents flowing in both forward and backward directions. The DC circuit breaker includes: a first mechanical switch for interrupting a current in a DC transmission line; a first diode connected in parallel with the first mechanical switch; a second mechanical switch, connected in series with the first mechanical switch, for interrupting a current in the DC transmission line; a second diode connected in parallel with the second mechanical switch; an LC circuit connected in parallel with the first and second mechanical switches and including a capacitor and a reactor connected in series to induce LC resonance; a first unidirectional switching device connected in parallel with the LC circuit and switching a current to induce LC resonance; and a bidirectional switching device connected in series with the LC circuit and switching currents flowing in both forward and backward directions.

    High voltage direct current transmission and distribution system

    公开(公告)号:US09673629B2

    公开(公告)日:2017-06-06

    申请号:US14997797

    申请日:2016-01-18

    申请人: EATON CORPORATION

    摘要: A direct current to alternating current inverter sub-system is for a HVDC distribution system. The DC to AC inverter sub-system includes an enclosure and a DC to DC galvanically isolated buck converter having a DC input electrically connectable to a HVDC cable and a DC output. A DC to AC inverter includes a DC input electrically connected to the DC output of the DC to DC galvanically isolated buck converter and an AC output electrically connectable to an AC transmission line. The DC to AC inverter is mounted in an enclosure with the DC to DC galvanically isolated buck converter, in order that the DC output of the DC to DC galvanically isolated buck converter is directly electrically connected within the enclosure to the DC input of the DC to AC inverter.