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公开(公告)号：US4939322A
公开(公告)日：1990-07-03
申请号：US326652
申请日：1989-03-21
IPC分类号： H01H33/70 , H01H33/91 , H01H33/915
CPC分类号： H01H33/91 , H01H33/7023
摘要： The present invention relates to a puffer type circuit breaker having a high voltage and large capacity, which is provided with an insulating nozzle for blowing a arc-extinguishing gas of high pressure generated by separating a movable contactor from a fixed contactor. The fixed contactor has a larger diameter portion formed on the base portion thereof and a smaller diameter portion formed at the tip end thereof, and the insulating portion has a first throat portion adjusted by the smaller diameter portion and a second throat portion located at the downstream side of the first throat portion and adjusted by the larger diameter portion, thereby allowing the gas inlet portion to be formed by the diameter difference between the first throat portion and the smaller diameter portion which is in such manner that the second throat portion is adjusted by the larger diameter portion. By virtue of these features, when the contactors are separated from each other, even if the arc-extinguishing gas of high pressure flows into the space between the first throat portion and the second throat portion, the rapid gas flow is not generated therein. Accordingly, since the arc-extinguishing gas is prevented from lowering the gas density on the tip of the fixed contactor, it is possible to improve the breaking ability of small capacitive current.
摘要翻译： 本发明涉及一种具有高电压和大容量的河豚式断路器，其具有用于吹送通过将活动接触器与固定接触器分离而产生的高压灭弧气体的绝缘喷嘴。 固定接触器在其基部形成较大的直径部分，在其前端形成较小直径的部分，绝缘部分具有由较小直径部分调节的第一喉部和位于下游的第二喉部 并且通过较大直径部分进行调节，从而允许气体入口部分由第一喉部和较小直径部分之间的直径差形成，其中第二喉部分和第二喉部分之间的直径差是以第二喉部被第 较大的直径部分。 由于这些特征，当接触器彼此分离时，即使高压灭弧气体流入第一喉部和第二喉部之间的空间，也不会在其中产生快速气体流动。 因此，由于防止灭弧气体降低固定接触器的尖端上的气体密度，因此可以提高小电容电流的断开能力。
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公开(公告)号：US5793597A
公开(公告)日：1998-08-11
申请号：US587656
申请日：1996-01-17
申请人： Eisaku Mizufune , Yukio Kurosawa , Katsuichi Kashimura , Osamu Koyanagi , Yoshihito Asai , Kogi Ishikawa , Ken'ichi Natsui , Masanori Tsukushi , Makoto Yano , Goro Daimon , Kenji Tsuchiya
发明人： Eisaku Mizufune , Yukio Kurosawa , Katsuichi Kashimura , Osamu Koyanagi , Yoshihito Asai , Kogi Ishikawa , Ken'ichi Natsui , Masanori Tsukushi , Makoto Yano , Goro Daimon , Kenji Tsuchiya
CPC分类号： H01H33/7015 , H01H2033/888
摘要： A puffer type gas breaker is provided, in which high-temperature gas, heated by an electric arc produced immediately after a large current is broken, is quickly discharged to enhance inter-pole dielectric performance. A fixing portion for fixing an arc contact is provided in a cylindrical exhaust pipe for exhausting the high-temperature gas heated by an electric arc produced between poles immediately after a large current is broken. A rectifying member or members is provided in the fixing portion of the cylindrical exhaust pipe. An exhaust port or ports is formed in the fixing portion of the cylindrical exhaust pipe, and a shield is disposed around the outer periphery of the exhaust port or ports.
摘要翻译： 提供了一种吹气式气体断路器，其中在大电流断开后立即产生的电弧加热的高温气体被快速放电，以增强极间介电性能。 在圆弧形排气管中设置用于固定电弧接触的固定部分，用于在大电流断开之后立即排出由立柱之间产生的电弧加热的高温气体。 整流构件设置在圆筒形排气管的固定部分中。 在圆柱形排气管的固定部分中形成排气口或排气口，并且在排气口的外周附近设有防护罩。
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公开(公告)号：US5610381A
公开(公告)日：1997-03-11
申请号：US553754
申请日：1995-10-23
申请人： Eisaku Mizufune , Kenichi Natsui , Yukio Kurosawa , Goro Daimon , Yoshihito Asai , Katsuichi Kashimura , Osamu Koyanagi , Kogi Ishikawa
发明人： Eisaku Mizufune , Kenichi Natsui , Yukio Kurosawa , Goro Daimon , Yoshihito Asai , Katsuichi Kashimura , Osamu Koyanagi , Kogi Ishikawa
IPC分类号： H01H33/91 , H01H9/52 , H01H33/16 , H01H33/915 , H01H33/88
CPC分类号： H01H33/16 , H01H2009/526 , H01H9/52
摘要： A compression gas puffer type circuit breaker has a magnetic body surrounding a conductor between a stationary arc contact and a main bus conductor. The magnetic body is protected from being exposed to heated puffer gas generated when a movable arc contact is separated from the stationary arc contact by disposing an insulator partition plate supporting the conductor at the downstream end of a cylindrical contact base carrying a main stationary contact and upstream of the magnetic body. Conductors are disposed around the magnetic body so as to increase flux linkage with the magnetic body when an arcing current flows through the conductor during a circuit breaking operation.
摘要翻译： 压缩气体吹气式断路器具有围绕固定电弧触点和主母线导体之间的导体的磁体。 通过在承载主固定触点和上游的圆筒形接触基底的下游端设置支撑导体的绝缘体分隔板，可以防止磁体暴露于当可动电弧触点与固定电弧触点分离时产生的加热的河豚气体 的磁体。 导体在磁体周围设置，以便在断路操作期间当电弧流过导体时增加与磁体的磁通。
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公开(公告)号：US5039831A
公开(公告)日：1991-08-13
申请号：US328559
申请日：1989-03-24
申请人： Minori Sato , Kastuichi Kashimura , Masanori Tsukushi , Yukio Kurosawa , Kazuhiro Saito , Osamu Koyanagi , Isao Nishida
发明人： Minori Sato , Kastuichi Kashimura , Masanori Tsukushi , Yukio Kurosawa , Kazuhiro Saito , Osamu Koyanagi , Isao Nishida
CPC分类号： H02B11/26 , H01H33/16 , H01H33/24 , H02B13/035
摘要： In a circuit breaker in which an interrupting device, a resistor device and a capacitor device are connected in parallel, a shield device is arranged to shield the interrupting device and the resistor device and comprises a first shield for shielding the stationary main contact and stationary resistor contact and a second shield for shielding the movable main contact and movable resistor contact. Each of the first shield and the second shield comprises a large shield portion and a small shield portion, and the small shield portions are arranged between the large shield portions. The small shield portion terminates in the vicinity of the top of the main contact and of the top of the resistor contact. The small shield portion comprises wide portions situated substantially in the direction of an axis joining centers of the main contact and resistor contact and narrow portions situated substantially in the direction perpendicular to the axis. The width of the narrow portions is smaller than the width of the wide portions, and at least a part of the capacitor device is arranged over the narrow portions.In the circuit breaker, since the capacitor device is arranged over the narrow portions, the space for arranging the capacitor device is larger than the conventional circuit breaker, the arrangement of the isoelectric liens is not disturbed or disordered locally in the vicinity of the top of the shield of the stationary main contact and in the vicinity of the movable main contact and high dielectric strength between the main contacts is obtained.
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5.发明授权Method of controlling transient recovery voltage and gas insulation switch gear using the same 失效控制使用相同的瞬态恢复电压和气体绝缘开关装置的方法
公开(公告)号：US5821496A
公开(公告)日：1998-10-13
申请号：US529398
申请日：1995-09-18
申请人： Eisaku Mizufune , Takashi Sato , Katsuichi Kashimura , Osamu Koyanagi , Yoshihito Asai , Yukio Korosawa
发明人： Eisaku Mizufune , Takashi Sato , Katsuichi Kashimura , Osamu Koyanagi , Yoshihito Asai , Yukio Korosawa
CPC分类号： H01H33/16 , H01H33/006
摘要： The steep initial rate of rise of the transient recovery voltage across the poles of a circuit breaker just after a fault current break is decreased. The breaking performance in the case of a short-circuit fault to ground taking place in an electrical power transmission system at relatively as near a place as several kilometers apart from the circuit breaker, that is a short-line-fault is improved by a saturable reactor having a capacitor connected in parallel therewith to the circuit breaker in series. As a result, as the saturable reactor changes from the magnetically saturated state to the unsaturated state just before the zero point of the fault current, the self-inductance of the saturable reactor gradually increases and an LC resonance is produced between the self-inductance of the saturable reactor and the capacitor connected to the saturable reactor in parallel. Therefore, the peak value and the time period of the current flowing from the saturable reactor can be controlled to control the initial rate of rise of the transient recovery voltage.
摘要翻译： 刚刚发生故障电流断路之后，断路器两极的瞬态恢复电压的急剧上升速率下降。 在电力传输系统中发生短路故障的情况下的断路性能相对靠近离断路器几公里的地方，即短路故障，由可饱和的 具有与其并联连接到串联的断路器的电容器反应器中。 结果，随着饱和电抗器从故障电流零点之前的饱和状态转变为不饱和状态，可饱和电抗器的自感逐渐增加，并且在谐振电感的自感 饱和电抗器和并联连接到所述饱和电抗器的电容器。 因此，可以控制从可饱和电抗器流出的电流的峰值和时间周期，以控制瞬时恢复电压的初始上升速率。
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公开(公告)号：US4211903A
公开(公告)日：1980-07-08
申请号：US805173
申请日：1977-06-09
IPC分类号： H01H33/70 , H01H33/88 , H01H33/915
CPC分类号： H01H33/882
摘要： An electromagnetic puffer type gas circuit breaker comprises two opposing puffer type gas circuit breaking units mounted on midway support means, actuating means for driving the circuit breaking units, an electromagnetic actuating unit drivingly coupled to the actuating means, and current transfer mechanism for transferring and applying the interrupting current to the electromagnetic actuating unit during a circuit breaking operation. The current transfer mechanism is located, in operative connection to the actuating means, at a point above the midway support means and in a spaced relation to the electromagnetic actuating unit. The contact surface area of the current-conducting path portion leading to the transfer mechanism is a fraction of that of another current-conducting path portion for the passage of most of the rated current. These features provide ease of inspection and replacement of the current transfer mechanism and reduces the operating force requirement of the breaker.
摘要翻译： 一种电磁吹风式气体断路器包括安装在中途支撑装置上的两个相对的河豚式气体断路装置，用于驱动断路单元的驱动装置，驱动地连接到致动装置的电磁致动单元，以及用于转移和施加的电流传递机构 在断路操作期间到电磁致动单元的中断电流。 当前的传送机构位于中途支撑装置上方并以与电磁驱动单元间隔开的位置处于与致动装置有效连接的位置。 通向传送机构的导电通路部分的接触表面积是另一导流路径部分的大部分额定电流通过的一部分。 这些特征提供了便于检查和更换电流传递机构，并降低了断路器的操作力要求。
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公开(公告)号：US5502290A
公开(公告)日：1996-03-26
申请号：US483878
申请日：1995-06-07
申请人： Osamu Koyanagi , Kunio Hirasawa , Masanori Tsukushi , Yukio Kurosawa , Tadashi Sato , Youichi Ohshita
发明人： Osamu Koyanagi , Kunio Hirasawa , Masanori Tsukushi , Yukio Kurosawa , Tadashi Sato , Youichi Ohshita
CPC分类号： H01H33/34 , H01H33/563
摘要： A switching mechanism for use e.g. in a circuit breaker of an underground electric substation has a movable rod which causes opening and closing of an electrical contact and a hydraulic operating system. The hydraulic operating system uses a hydraulic fluid which has a high flammability temperature or is incombustible. Thus, even if such fluid leaks from the hydraulic operating system, the risk of fire or explosion is minimized. The hydraulic operating system may have a sealed tank for the fluid, preferably with a variable volume expansion chamber. In a further development, the hydraulic operating system and possibly parts of the movable rod, is enclosed in a casing which is sealed and is filled with a gas which does not support combustion therein. Thus, the risk of fire or explosion is further reduced. The casing may have a variable volume expansion chamber.
摘要翻译： 一种切换机制。 在地下电力变电站的断路器中具有使电触头和液压操作系统打开和关闭的活动杆。 液压操作系统使用具有高可燃性温度或不燃的液压油。 因此，即使这种液体从液压操作系统泄漏，也会使火灾或爆炸的风险最小化。 液压操作系统可以具有用于流体的密封罐，优选地具有可变体积膨胀室。 在进一步的发展中，液压操作系统和可能的可移动杆的部分被封装在密封的壳体中并且填充有不支持燃烧的气体。 因此，进一步降低了火灾或爆炸的危险。 壳体可以具有可变体积膨胀室。
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公开(公告)号：US5814781A
公开(公告)日：1998-09-29
申请号：US594491
申请日：1996-01-31
申请人： Osamu Koyanagi , Kastuichi Kashimura , Yoshihito Asai , Yukio Kurosawa , Goro Daimon , Kenji Tsuchiya , Eisaku Mizufune , Kogi Ishikawa
发明人： Osamu Koyanagi , Kastuichi Kashimura , Yoshihito Asai , Yukio Kurosawa , Goro Daimon , Kenji Tsuchiya , Eisaku Mizufune , Kogi Ishikawa
CPC分类号： H01H33/904
摘要： A puffer type gas-blast circuit breaker includes a guide section arranged at a coupler section between a shaft section of a puffer cylinder and a dielectric operating rod, for guiding both in the axis direction of a current interruption section and in the radial direction thereof, thereby to suppress or eliminate the occurrence of misalignment of center axis between movable components and fixed ones thus causing a gap to remain constant between a dielectric nozzle and a fixed arc contact. With such an arrangement, the gap between the nozzle and the contact can be kept uniform even when the pole-to-pole distance is increased with an increase in the high withstanding voltage of the breaker. This ensures that the surface-creeping electric field on the inner surface of the dielectric nozzle can be at a desired design value, thus enabling to provide a stable pole-to-pole insulation characteristic during current interruption operations.
摘要翻译： 吹气式气体爆破断路器包括引导部分，该引导部分布置在吹气筒的轴部和介电操作杆之间的耦合部分处，用于沿电流中断部分的轴线方向和沿其径向方向引导， 从而抑制或消除可移动部件和固定部件之间的中心轴的不对准的发生，从而使得间隙在介电喷嘴和固定电弧接触之间保持恒定。 通过这样的布置，即使随着断路器的高耐受电压的增加，极点距离增加，喷嘴和接触件之间的间隙也可以保持均匀。 这确保了电介质喷嘴的内表面上的表面蠕变电场可以处于所需的设计值，从而能够在电流中断操作期间提供稳定的极 - 极绝缘特性。
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公开(公告)号：US5391930A
公开(公告)日：1995-02-21
申请号：US887937
申请日：1992-05-26
申请人： Youichi Ohshita , Katuichi Kashimura , Akira Hashimoto , Osamu Koyanagi , Yukio Kurosawa , Isao Nishida
发明人： Youichi Ohshita , Katuichi Kashimura , Akira Hashimoto , Osamu Koyanagi , Yukio Kurosawa , Isao Nishida
CPC分类号： H01H33/168 , H01H33/24 , Y10T307/76
摘要： A circuit breaker with a parallel resistor which fulfills with a simple structure incompatible requirements for a resistance circuit making contact with regard to maintenance of the dielectric strength and prearcing characteristic between electrodes. A resistance circuit making contact 2 and a resistance circuit breaking contact 3 are electrically connected in parallel, one end of the parallel circuit is connected to one end of a common resistor and the other end of the parallel circuit and the other end of the resistor are connected to the respective ends of a main contact 1. After the opening of the resistance circuit making contact 2 the resistance circuit breaking contact 3 is still closed.
摘要翻译： 具有并联电阻器的断路器，其结构简单，与电阻电路不兼容的要求相关，以保持电极之间的介电强度和预焊特性。 使接点2和电阻断路触头3的电阻电路并联电连接，并联电路的一端连接到公共电阻的一端，并联电路的另一端和电阻的另一端 连接到主触点1的相应端。在电阻回路接通2打开之后，电阻断路触点3仍然闭合。
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公开(公告)号：US5079392A
公开(公告)日：1992-01-07
申请号：US543440
申请日：1990-06-26
IPC分类号： H01H33/90 , H01H33/91 , H01H33/915
CPC分类号： H01H33/91 , H01H33/901
摘要： A gas circuit breaker comprising a pair of contactors contact portions of which are separable relatively from each other, an insulating nozzle of an electrically insulating material surrounding the contact portions of said contactors so as to guide a flow of gas, and a puffer chamber for compressing the gas in conjunction with a separating operation of the contact portions so as to supply it under guidance of the insulating nozzle, the gas from the puffer chamber being exhausted through exhaust passages passing through a hollow portion of the one contactor located within the insulating nozzle, wherein the exhaust passages are formed between the puffer chamber and the one contactor, and the gas circuit breaker further comprises block means serving to close during an initial stage of the separating operation and open afterward exhaust ports formed at ends of the exhaust passages located on the downstream side of the gas flow. This makes it possible to reduce the flow resistance to the gas flow used for arc extinguishment in cooperation with an arc-extinguishing gas flow passing through a throat portion of the insulating nozzle as well as to reduce a force required for operation.
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