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    • 2. 发明专利
    • 電力ケーブルの終端接続部
    • 电源线端子连接部分
    • JP2015056941A
    • 2015-03-23
    • JP2013188281
    • 2013-09-11
    • 株式会社エクシムExsym Corp
    • MATSUKURA YUTAKASATO HIROMASAOKAJI KATSUTOSHIMORISHIMA HIROYUKI
    • H02G15/22
    • 【課題】組立作業が容易で、組立後の電力ケーブルの抜脱を確実に防止できる信頼性の高い非貫通型(密閉型)型の電力ケーブルの終端接続部を提供する。【解決手段】電力ケーブルの終端接続部は、電力ケーブルの端末部と、ケーブル導体の先端に接続される導体接続端子と、電力ケーブルの端末部を収容する絶縁体と内部導体とが一体的に形成されたエポキシ碍管と、導体接続端子と内部導体との間に介在し、両者を電気的に接続する接触子と、導体接続端子から径方向に対称的に突出するケーブル引留部と、エポキシ碍管内に配置され、導体接続端子とともにケーブル引留部を挿入可能で、かつ挿入後に導体接続端子及びケーブル引留部を軸周りに回転させることにより抜脱不能となる貫通孔を有する固定部材と、貫通孔に近接して配置され、導体接続端子及びケーブル引留部を回転不能に保持する回転防止部と、を有する。【選択図】図1
    • 要解决的问题:提供高可靠性的非贯穿(闭合)电力电缆端子连接部分,易于组装,并且可以确保在组装后电源线被抽出。解决方案:电力电缆终端连接部分包括 电源线的终端部分; 连接到电缆导体的前端的导体连接端子; 环氧瓷套管,其中容纳电力电缆的端子部分的绝缘体和内部导体一体形成; 插入在所述导体连接端子和所述内部导体之间以将它们电连接的接触片; 从所述导体连接端子沿径向对称地突出的电缆锚固部件; 固定构件,其设置在环氧瓷套管中并且具有允许电缆锚固部分与导体连接端子一起插入其中的通孔,并且不允许导体连接端子和电缆锚固部件通过 在插入之后它们绕轴线旋转; 以及旋转防止部,其设置在所述通孔附近,以保持所述导体连接端子和所述电缆锚固部,使得它们不能旋转。
    • 3. 发明专利
    • 電気試験装置及び電気試験方法
    • 电测试装置和电测试方法
    • JP2015038432A
    • 2015-02-26
    • JP2013169600
    • 2013-08-19
    • 株式会社エクシムExsym Corp
    • KATSUMI KENICHI
    • G01R31/16G01R31/12
    • 【課題】地球温暖化係数が高いSF6ガスを用いることなく電気試験を行うことができる電気試験装置及び電気試験方法を提供する。【解決手段】電気試験装置1は、試料TSを収容する試験容器10と、試験容器10に収容された試料TSに電圧を印加する電圧印加部20と、試験容器10内に設けられ、絶縁液体を気化させることで絶縁ガスを生成し、当該絶縁ガスを供給する絶縁ガス供給部30とを備え、絶縁ガス供給部30により供給された絶縁ガスの雰囲気中において、電圧印加部20により試料TSに高電圧を印加して電気試験を行う。【選択図】図1
    • 要解决的问题:提供一种能够在不使用具有高的全球变暖潜能的SF气体的情况下进行电气测试的电气测试装置和电气测试方法。解决方案:电气测试装置1包括:测试容器10,用于存储样品TS ; 用于向存储在测试容器10中的样品TS施加电压的电压施加部20; 以及设置在测试容器10中的绝缘气体供给部30,通过蒸发绝缘液而产生并供给绝缘气体。 在由绝缘气体供给部30供给的绝缘气体的气氛中,通过电压施加部20向样品TS施加高电压来进行电气测试。
    • 4. 发明专利
    • Electric testing apparatus and electric testing method
    • 电测试装置和电测试方法
    • JP2013170868A
    • 2013-09-02
    • JP2012033820
    • 2012-02-20
    • Exsym Corp株式会社エクシム
    • KATSUMI KENICHITSURUTA TORUYAMAMOTO TAKASHI
    • G01R31/12G01R31/16
    • PROBLEM TO BE SOLVED: To provide an electric testing apparatus in which an electric test can be performed without using an SFgas of which the global warming coefficient is high, and a test time can be shortened remarkably, and an electric testing method.SOLUTION: An electric testing apparatus comprises a container in which a sample is accommodated, a voltage application section which applies a voltage to the sample accommodated in the container, a bubbling section which generates air bubbles by leading a bubbling gas into an insulating solution, atomizes an insulating component dissolved in the insulating solution into air bubbles, generates a mixed gas comprised of the bubbling gas and the atomized insulating component and supplies the mixed gas into the container, and a gas supply section which supplies the bubbling gas into the bubbling section.
    • 要解决的问题:提供一种可以在不使用全球变暖系数高的SF气体的情况下进行电气测试并且可以显着缩短测试时间的电气测试装置和电气测试方法。解决方案: 电气测试装置包括容纳样品的容器,向容纳在容器中的样品施加电压的电压施加部,通过将起泡气导入绝缘溶液而产生气泡的鼓泡部,使绝缘成分 将所述绝缘溶液溶解成气泡,产生由所述起泡气体和所述雾化绝缘部件构成的混合气体,并将所述混合气体供给到所述容器内;以及气体供给部,其向所述起泡部供给所述起泡气体。
    • 5. 发明专利
    • Insulation deterioration diagnosis method and insulation deterioration diagnosis device of power cable
    • 绝缘检测诊断方法及绝缘诊断诊断装置电源线
    • JP2011242206A
    • 2011-12-01
    • JP2010113233
    • 2010-05-17
    • Exsym CorpMitsubishi Cable Ind Ltd三菱電線工業株式会社株式会社エクシム
    • OTAKA IWAOKAWAI JIROAOKI MASARU
    • G01R31/12G01R31/02
    • PROBLEM TO BE SOLVED: To provide an insulation deterioration diagnosis method and an insulation deterioration diagnosis device which are capable of diagnosing a state of a part where insulation deterioration of a power cable due to a water tree is worst, without depending on a length of the power cable.SOLUTION: The insulation deterioration diagnosis method comprises: a measurement step of measuring an impressed voltage of an AC voltage as a second impressed voltage and an amount of residual charge emitted by voltage impression, in parallel; an increment measurement step of measuring an increment of residual charge due to boost of the AC voltage on the basis of residual charge at the time of the start of AC voltage impression; a rise time measurement step of measuring a rise time when the increment of residual charge reaches a prescribed value; an AC voltage value measurement step of measuring an AC voltage value of the AC voltage being impressed at the rise time; a rise electric field calculation step of calculating an AC electric field at the time when the increment of residual charge reaches the prescribed value, as a rise electric field on the basis of the measured AC voltage value; and a diagnosis step of diagnosing a state of a part where insulation deterioration of the power cable is worst, on the basis of the calculated rise electric field.
    • 要解决的问题:提供一种绝缘劣化诊断方法和绝缘劣化诊断装置,其能够诊断由于水树造成的电力电缆的绝缘劣化最差的部分的状态,而不依赖于 电源线长度。 绝缘劣化诊断方法包括:并联测量作为第二外加电压的交流电压的外加电压和由电压印制发出的残余电荷量的测量步骤; 增量测量步骤,基于AC电压印刷开始时的剩余电荷来测量由于AC电压的升压引起的残余电荷的增量; 上升时间测量步骤,当所述剩余电荷的增量达到规定值时,测量上升时间; AC电压值测量步骤,测量在上升时刻施加的交流电压的交流电压值; 上升电场计算步骤,基于所测量的AC电压值,计算在剩余电荷的增量达到规定值时的AC电场作为上升电场; 以及基于所计算的上升电场来诊断电力电缆的绝缘劣化的部分的状态最差的诊断步骤。 版权所有(C)2012,JPO&INPIT
    • 6. 发明专利
    • Partial discharge detector and method of detecting partial discharge
    • 部分放电检测器和检测部分放电的方法
    • JP2010210411A
    • 2010-09-24
    • JP2009056838
    • 2009-03-10
    • Exsym Corp株式会社エクシム
    • TOGASHI HIROTAKAWATANABE FUMITOKAWAI JIRO
    • G01R31/12
    • PROBLEM TO BE SOLVED: To provide a partial discharge detector and a method of detecting partial discharges that dispense with extension of signal cables, optical fibers, or the like beforehand to transmit electrification voltage information, are utilized at almost all places, and are executed easily and transmit information on electrification voltages at low costs.
      SOLUTION: An electrification information transmission system 100 includes: a sinusoidal wave-rectangular wave conversion circuit 121 for taking in an electrification voltage signal from an electrification device 110 for converting to rectangular waves in synchronization with the electrification voltage signal; a level adjustment circuit 122 for adjusting rectangular waves to the input level of a portable telephone 130; portable telephones 130, 140 for transmitting rectangular waves in synchronization with the electrification voltage signal by radio; a level adjustment circuit 150 for demodulating the electrification voltage information from signals that have been transmitted by radio and for adjusting the output of the portable telephone 140 to the input of a partial discharge measuring instrument 160; and the partial discharge measuring instrument 160. A PC 170 correlates the electrification voltage information that has been transmitted by radio to partial discharge signals to measure partial discharge pulses.
      COPYRIGHT: (C)2010,JPO&INPIT
    • 要解决的问题:为了提供局部放电检测器和预先在信号电缆,光纤等的延伸部分检测部分放电以传输电气化电压信息的方法,几乎​​在所有地方都被利用,并且 易于执行,并且以低成本传送关于电气化电压的信息。 电气化信息传输系统100包括:正弦波形矩形波转换电路121,用于从带电装置110接收与带电电压信号同步地转换成矩形波的带电电压信号; 用于将矩形波调整到便携式电话130的输入电平的电平调整电路122; 用于通过无线电与电气化电压信号同步发送矩形波的便携式电话130,140; 电平调整电路150,用于从已经通过无线电发送的信号中解调通电电压信息,并用于将便携式电话140的输出调节到局部放电测量仪器160的输入; 和局部放电测量仪器160.PC170将通过无线电发送的通电电压信息与局部放电信号相关联,以测量局部放电脉冲。 版权所有(C)2010,JPO&INPIT
    • 7. 发明专利
    • Insulation deterioration diagnostic method for power cable
    • 电力电缆绝缘检测诊断方法
    • JP2007292462A
    • 2007-11-08
    • JP2006110812
    • 2006-04-13
    • Exsym CorpMitsubishi Cable Ind Ltd三菱電線工業株式会社株式会社エクシム
    • OTAKA ITSUKIARAKI SHOGOAOKI MASARU
    • G01R31/12G01R31/02H02H3/00
    • PROBLEM TO BE SOLVED: To provide an insulation deterioration diagnostic method for a power cable less liable to be affected by nonuniformity in the length of a measuring object cable and that in the degree of deterioration in its longitudinal direction. SOLUTION: In an insulation deterioration diagnostic device 100, when impressing an AC voltage on the measuring object cable 20, voltage impression is repetitively performed with the AC voltage Vac increased/decreased in short times and its peak value increased like steps. and an AC voltage V maximizing residual charge Q is used as a deterioration determination value among residual charges Q detected in respective AC voltage impressions. Because of this, if the state of deterioration is uniform throughout a power cable line, deterioration determination is possible without considering the factor of length. Further, even if a variation exists in the state of deterioration in the longitudinal direction of the power cable, deterioration determination is possible without great difference from a cable in the state of uniform deterioration, allowing more easily understandable deterioration determination to be performed. COPYRIGHT: (C)2008,JPO&INPIT
    • 要解决的问题:提供一种电力电缆的绝缘劣化诊断方法,该电力电缆不容易受到测量对象电缆的长度不均匀性的影响以及其长度方向的劣化程度。 解决方案:在绝缘劣化诊断装置100中,当在测量对象电缆20上施加AC电压时,电压印象在AC电压Vac的短时间内增加/减少并且其峰值如步骤增加而重复执行。 并且使用最大化残余电荷Q的AC电压V被用作在各个AC电压压印中检测到的残余电荷Q中的劣化判定值。 因此,如果整个电力电缆线路的劣化状态均匀,则可以不考虑长度因素而进行劣化判定。 此外,即使在电力电缆的长度方向的劣化状态存在变化的情况下,也可以在均匀劣化的状态下与电缆的差别大的劣化判定,能够进行更容易理解的劣化判定。 版权所有(C)2008,JPO&INPIT
    • 8. 发明专利
    • Watertight material for watertight insulated wire and watertight insulated wire using same
    • 用于防水绝缘线和防水绝缘线的防水材料
    • JP2007103060A
    • 2007-04-19
    • JP2005288315
    • 2005-09-30
    • Exsym CorpMitsubishi Cable Ind Ltd三菱電線工業株式会社株式会社エクシム
    • KUBOTA SHUJI
    • H01B7/17C08K5/00C08L23/08H01B7/282
    • PROBLEM TO BE SOLVED: To provide a watertight material for a watertight insulated wire capable of achieving a watertight insulated wire capable of balancing watertightness with strippability; and to provide a watertight insulated wire using the watertight material. SOLUTION: This watertight material for a watertight insulated wire contains an ethylene-ethyl acrylate copolymer resin, a cross linking agent and a cross linking assistant. The watertight material preferably contains 0.1-5.0 pts.wt. cross linking agent and 0.1-5.0 pts.wt. cross linking assistant in 100 pts.wt. ethylene-ethyl acrylate copolymer resin or 100 pts.wt. total weight of the ethylene-ethyl acrylate copolymer resin and low-density polyethylene. Two or more kinds of ethylene-ethyl acrylate copolymer resins different in content of ethyl acrylate unit and/or melt flow rate are preferably used for the ethylene-ethyl acrylate copolymer resin. COPYRIGHT: (C)2007,JPO&INPIT
    • 要解决的问题:提供一种用于水密绝缘线的防水材料,其能够实现能够平衡水密性和剥离性的水密绝缘线; 并提供使用防水材料的水密绝缘电线。 解决方案:这种用于水密绝缘线的防水材料包含乙烯 - 丙烯酸乙酯共聚物树脂,交联剂和交联助剂。 防水材料优选含有0.1-5.0重量份 交联剂和0.1-5.0重量份 交联助剂100磅 乙烯 - 丙烯酸乙酯共聚物树脂或100重量份 乙烯 - 丙烯酸乙酯共聚物树脂和低密度聚乙烯的总重量。 对于乙烯 - 丙烯酸乙酯共聚物树脂,优选使用丙烯酸乙酯单元含量和/或熔体流动速率不同的两种或更多种乙烯 - 丙烯酸乙酯共聚物树脂。 版权所有(C)2007,JPO&INPIT
    • 9. 发明专利
    • Electric testing device and electric testing method
    • 电测试装置和电测试方法
    • JP2014070980A
    • 2014-04-21
    • JP2012216508
    • 2012-09-28
    • Exsym Corp株式会社エクシム
    • KATSUMI KENICHITSURUTA TORUYAMAMOTO TAKASHI
    • G01R31/16
    • PROBLEM TO BE SOLVED: To provide an electric testing device and electric testing method that are appropriate for an electric test by high voltage application, can suppress air pollution by SFgas, and can effectively utilize SFgas.SOLUTION: The electric testing device includes: a vessel for storing a specimen; a voltage applying section for applying voltage to the specimen stored in the vessel; a low-concentration SFgas supply section for supplying, into the vessel, mixed air as an exhaust gas after the SFgas is separated by an SFgas recovery purification device; and a mist supply section for spraying insulation liquid into the vessel. The voltage applying section applies high voltage to the specimen to perform an electric test.
    • 要解决的问题:提供适用于高电压应用的电气测试的电气测试装置和电气测试方法,可以抑制SF气体的空气污染,并可以有效利用SF气体。解决方案:电气测试装置包括:一个容器 用于储存样品; 用于向存储在容器中的样本施加电压的电压施加部分; 低浓度的SF气体供给部,其在通过SF气体回收净化装置分离SF气体之后,将作为废气的混合空气供给到容器内; 以及用于将绝缘液体喷射到容器中的雾供应部。 电压施加部对试样施加高电压进行电气试验。
    • 10. 发明专利
    • Electric power device
    • 电力设备
    • JP2013258811A
    • 2013-12-26
    • JP2012132036
    • 2012-06-11
    • Exsym Corp株式会社エクシム
    • SATO HIROMASAKATSUMI KENICHI
    • H02B13/055H02B13/02
    • PROBLEM TO BE SOLVED: To provide an electric power device which maintains high insulation performance without using a SFgas having a high global warming coefficient while keeping the same size as a conventional device.SOLUTION: An electric power device, such as a gas-insulation switchgear, a cubicle type gas-insulation switchgear, and a gas filling type transformer, is formed including: a ground container in which an insulation gas is enclosed; an electric apparatus housed in the ground container and in which high voltage charging is performed; a power supply part for performing the high voltage charging to the electric apparatus; and an ionization gas supply part which ionizes the insulation gas and supplies an ionization gas to the ground container.
    • 要解决的问题:提供一种在保持与常规装置相同尺寸的情况下不使用具有高全球变暖系数的SF气体而保持高绝缘性能的电力装置。解决方案:一种电力装置,例如气体绝缘开关装置 ,隔室型气体绝缘开关装置和气体充填型变压器,其特征在于,包括:封闭有绝缘气体的研磨容器; 容纳在地面容器中并进行高压充电的电气设备; 用于对电气设备进行高压充电的电源部件; 以及离子化气体供给部,其使绝缘气体电离并将电离气体供给到地面容器。