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    • 44. 发明申请
    • GAS INSULATED BUS
    • 气体绝缘总线
    • US20130284489A1
    • 2013-10-31
    • US13996761
    • 2011-02-28
    • Daisuke Fujita
    • Daisuke Fujita
    • H01B17/36
    • H02G5/063H01B17/36H02G5/066
    • A gas insulated bus is provided which comprises a metallic container whose axis is an axis line; a main circuit conductor housed in the metallic container; a metallic container to be connected with an end of the metallic container and whose axis is an axis line crossing the axis line; a main circuit conductor housed in the metallic container; an insulating spacer of a single-leg structure that supports and insulates a connection portion of the main circuit conductors; a metal-made shield attached to the insulating spacer and provided with an opening open in a direction of the axis line and an opening open in a direction of the axis line, the shield covering the connection portion, the shield being substantially in a barrel or spindle shape having an outside diameter exceeding that of the main circuit conductors.
    • 提供一种气体绝缘母线,其包括:轴线为轴线的金属容器; 容纳在金属容器中的主电路导体; 金属容器,与金属容器的端部连接,其轴线是与轴线交叉的轴线; 容纳在金属容器中的主电路导体; 单腿结构的绝缘间隔件,其支撑并绝缘主电路导体的连接部分; 金属制的屏蔽件,其附接到绝缘间隔件并且设置有在轴线方向上敞开的开口和在轴线方向上敞开的开口,所述屏蔽覆盖连接部分,屏蔽件基本上在桶中或 主轴形状的外径超过主电路导体的外径。
    • 46. 发明授权
    • Electrical bushing of a gas insulated electrical apparatus
    • 气体绝缘电气设备的电气套管
    • US4780577A
    • 1988-10-25
    • US24476
    • 1987-03-11
    • Norichika Toshima
    • Norichika Toshima
    • H01B17/36H01B17/42H01B17/26
    • H01B17/42H01B17/36
    • An electrical bushing of a gas insulated electrical apparatus comprises an insulating tube, a central conductor extending through the insulating tube and a cylindrical shield disposed between the central conductor which is electrically connectable to ground at one end and has an electrical field moderating ring integrally formed therewith at the other end thereof. The central conductor has a reduced diameter portion in the vicinity of the electric field moderating ring of the cylindrical shield and large diameter portions and tapered portions connecting the reduced diameter portion to the large diameter portions. Thus, since the reduced diameter portion is formed in a region where the electric field strength is high, the concentration of the electric field in that region is moderated, thereby resulting in an improvement in the withstand voltage characteristic of the bushing. The reduced diameter portion can be formed as a separate member. Also, the reduced diameter portion may itself have portions of different diameters.
    • 气体绝缘电气设备的电气套管包括绝缘管,延伸穿过绝缘管的中心导体和设置在中心导体之间的圆柱形屏蔽,该中心导体在一端可电连接到地,并具有与其整体形成的电场调节环 在另一端。 中心导体在圆筒形护罩的电场缓和环附近具有减小的直径部分,并且将直径减小部分与大直径部分连接的大直径部分和锥形部分。 因此,由于减小直径部分形成在电场强度高的区域中,所以该区域中的电场浓度被缓和,从而提高了衬套的耐压特性。 减径部分可以形成为单独的部件。 此外,直径减小部分本身可以具有不同直径的部分。
    • 47. 发明授权
    • Gas-insulated epoxy bushing having an internal throat shield and an
embedded ground shield
    • 气体绝缘环氧树脂衬套,具有内部喉罩和嵌入式接地屏蔽
    • US4458101A
    • 1984-07-03
    • US366626
    • 1982-04-08
    • Alan H. CooksonMichael S. Yatsko
    • Alan H. CooksonMichael S. Yatsko
    • H01B17/28H01B17/26H01B17/36
    • H01B17/28
    • A gas-insulated bushing comprises an elongated epoxy insulating shell having a grounded mounting plate secured at one end thereof and an electrical connection terminal secured at the other end thereof. An inner conductor at high voltage is disposed within the shell and is secured to the terminal, with an insulating gas electrically insulating the inner conductor from the shell. An electrically grounded ground shield is cast into the epoxy shell and extends outwardly to physically and electrically contact the grounded mounting plate. A throat shield is secured to the mounting plate and extends longitudinally into the interior of the shell. The dual shield system disclosed functions to inhibit puncturing of the insulating shell, with a resultant loss of insulating gas, in the event of either internal or external flashovers.
    • 气体绝缘衬套包括细长的环氧绝缘壳,其具有固定在其一端的接地安装板和固定在其另一端的电连接端子。 高电压的内部导体设置在壳体内并且被固定到端子上,绝缘气体将内部导体与壳体电绝缘。 一个电接地屏蔽层被浇注到环氧树脂外壳中并向外延伸以物理和电接触接地的安装板。 喉罩被固定到安装板上并纵向延伸到壳体的内部。 所公开的双屏蔽系统的功能是在内部或外部闪络的情况下抑制绝缘壳的穿孔,导致绝缘气体的损失。
    • 48. 发明授权
    • Bushing for gas-insulated electrical equipment
    • 气体绝缘电气设备衬套
    • US4431859A
    • 1984-02-14
    • US322665
    • 1981-11-18
    • Mitsuhiro Kishida
    • Mitsuhiro Kishida
    • H01B17/36H02G15/22H01B17/26H01B17/42
    • H01B17/36H02G15/22
    • The invention comprises a bushing surrounding an electrical conductor, including a porcelain tube which employs a gaseous insulator, an insulating tube disposed with a space of small volume set relative to the inner periphery of the porcelain tube, the small space being filled with an insulating medium which is deformable with a predetermined force. According to the construction, when the porcelain tube has been damaged, its fragments can thus be prevented from scattering far. The flashover of the bushing can be prevented by disposing compression springs in the lower part of the insulating tube, and the electric field distribution of the outer surface of the bushing can be improved by coating the surface of the insulating tube with an electrically-conductive coating material.
    • 本发明包括围绕电导体的衬套,其包括使用气态绝缘体的瓷管,相对于瓷管的内周设置有小体积组合空间的绝缘管,所述小空间填充有绝缘介质 其可以用预定的力变形。 根据结构,当瓷管损坏时,其碎片可以防止其远离。 可以通过在绝缘管的下部设置压缩弹簧来防止衬套的闪络,并且可以通过用导电涂层涂覆绝缘管的表面来改善衬套的外表面的电场分布 材料。