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Patent Agency Ranking
公开(公告)号：US12272944B2
公开(公告)日：2025-04-08
申请号：US18265814
申请日：2021-12-02
Applicant: BAODING YUXIN ELECTRIC TECHNOLOGY CO., LTD.
Inventor： Zhanyu Xue , Jinchun Xing
Abstract: A method for processing an interphase short circuit of a three-phase non-effective grounding power supply system, includes: when a two-phase or three-phase interphase short circuit occurs in a circuit, maintaining a fault phase of the circuit to be conducting and tripping off remaining fault phases, and enabling another fault phase connected to said fault phase to be artificially grounded or directly utilizing an existing grounding point; enabling a charged phase or a neutral point of the three-phase non-effective grounding power supply system other than said fault phase to be cyclically connected to and disconnected from the ground, to form a closed loop together with said fault phase and generate a current pulse, and detecting the current pulse by a controlled switch. When a certain controlled switch reaches a trigger condition and cuts off a circuit, a fault is cleared.
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公开(公告)号：US12266914B2
公开(公告)日：2025-04-01
申请号：US18265811
申请日：2021-12-02
Applicant: BAODING YUXIN ELECTRIC TECHNOLOGY CO., LTD.
Inventor： Zhanyu Xue , Jinchun Xing
Abstract: A method for processing an interphase short circuit is provided, including: when a two-phase or three-phase interphase short circuit occurs in a line, maintaining a fault phase of the line to be conducted and tripping off the remaining fault phases, and artificially grounding another fault phase connected to the fault phase or directly utilizing an existing grounding point; connecting a neutral point or a charged phase of a three-phase ineffectively grounded power supply system other than the fault phase to the ground, so as to form a closed loop with the fault phase and generate a current, and detecting a current duration by a controlled switch. When a certain controlled switch reaches a trigger condition and cuts off the line, a fault is cleared.
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公开(公告)号：US20230387677A1
公开(公告)日：2023-11-30
申请号：US18265811
申请日：2021-12-02
Applicant: BAODING YUXIN ELECTRIC TECHNOLOGY CO., LTD.
Inventor： Zhanyu Xue , Jinchun Xing
Abstract: A method for processing an interphase short circuit is provided, including: when a two-phase or three-phase interphase short circuit occurs in a line, maintaining a fault phase of the line to be conducted and tripping off the remaining fault phases, and artificially grounding another fault phase connected to the fault phase or directly utilizing an existing grounding point; connecting a neutral point or a charged phase of a three-phase ineffectively grounded power supply system other than the fault phase to the ground, so as to form a closed loop with the fault phase and generate a current, and detecting a current duration by a controlled switch. When a certain controlled switch reaches a trigger condition and cuts off the line, a fault is cleared.
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公开(公告)号：US20240039271A1
公开(公告)日：2024-02-01
申请号：US18265805
申请日：2021-12-02
Applicant: BAODING YUXIN ELECTRIC TECHNOLOGY CO., LTD.
Inventor： Zhanyu Xue , Tongtong Ding , Jianwei Liu
Abstract: Method for processing single-phase grounding of non-effectively grounded system comprises: after single-phase grounding occurs, cyclically connecting and disconnecting non-faulted phase or neutral point with ground to form a closed loop together with grounded phase, and repeatedly generating current pulses; using controlled switches (1, 2, 3, 4, 5) to detect current pulses, and setting the number of current pulses triggered to be cut off by controlled switches (4, 5) in downstream of power source direction to be less than the number of current pulses triggered to be cut off by controlled switches (1, 2, 3) in upstream of power source direction; and after one of controlled switches meets trigger condition and is cut off, stopping grounding of non-faulted phase. Single-phase grounded fault point interval is quickly positioned, and fault is removed automatically, quickly and accurately, thereby improving processing quality of single-phase grounded fault and power supply safety.
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5.发明公开公开(公告)号：US20230387680A1
公开(公告)日：2023-11-30
申请号：US18265814
申请日：2021-12-02
Applicant: BAODING YUXIN ELECTRIC TECHNOLOGY CO., LTD.
Inventor： Zhanyu Xue , Jinchun Xing
CPC classification number: H02H7/26 , G01R31/52 , H02H1/0007
Abstract: A method for processing an interphase short circuit of a three-phase non-effective grounding power supply system, includes: when a two-phase or three-phase interphase short circuit occurs in a circuit, maintaining a fault phase of the circuit to be conducting and tripping off remaining fault phases, and enabling another fault phase connected to said fault phase to be artificially grounded or directly utilizing an existing grounding point; enabling a charged phase or a neutral point of the three-phase non-effective grounding power supply system other than said fault phase to be cyclically connected to and disconnected from the ground, to form a closed loop together with said fault phase and generate a current pulse, and detecting the current pulse by a controlled switch. When a certain controlled switch reaches a trigger condition and cuts off a circuit, a fault is cleared.
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