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公开(公告)号：US20170336466A1
公开(公告)日：2017-11-23
申请号：US15532684
申请日：2014-12-05
Inventor： Hirotake NAKAJI , Yuichi TSUBOI , Toshihiro TSUDA , Tetsuo YOSHIMITSU
CPC classification number: G01R31/20 , G01N17/00 , G01R31/1272
Abstract: A water tree testing apparatus using a flat test piece comprising a candidate insulation material an d having a first surface having a plurality of electrode holes formed therein has: a liquid-permeable conductive first permeable member that is attached to the first surface and covers the electrode holes; a liquid-permeable conductive second permeable member that is attached to a second surface that is opposite side from the first surface, and extends along the second surface as to face the first permeable member with the test piece therebetween; a first water tank for immersing the first surface in the first aqueous solution; a second water tank for immersing the second surface in the second aqueous solution; a first electrode, and a second electrode.
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2.发明申请公开(公告)号：US20190149007A1
公开(公告)日：2019-05-16
申请号：US16227868
申请日：2018-12-20
Inventor： Kotaro MURA , Kodai USHIWATA , Toshihiro TSUDA , Tetsuo YOSHIMITSU
Abstract: A producing method for an electrical insulating structure that covers an outer surface of a to-be-insulated object is provided. The method comprises: a taping step of winding a main insulation tape on outside of the to-be-insulated object; a spraying step of spraying nanoparticles onto the outer surface of the wound main insulation tape; a vacuum drawing step of vacuum drawing the tape-wound to-be-insulated object; and an impregnation step of injecting a nanoparticle-containing impregnating macromolecular polymer in which nanoparticles have been kneaded to impregnate the to-be-insulated object therewith. In the spraying step, microcapsules, which contain the nanoparticles and are able to release the nanoparticles before the impregnation step, are sprayed.
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3.发明申请FIELD CONTROL DEVICE, METHOD OF FIELD CONTROL, AND SYNCHRONOUS ROTATING MACHINE 有权现场控制装置，现场控制方法和同步旋转机公开(公告)号：US20150381082A1
公开(公告)日：2015-12-31
申请号：US14768561
申请日：2013-03-18
Inventor： Toshihiro TSUDA , Mitsuhiro KAWAMURA , Tadashi FUKAMI , Kazuo SHIMA
CPC classification number: H02P6/24 , G01R31/343 , H02K3/18 , H02K15/02 , H02P6/34 , H02P9/26 , H02P9/305 , H02P23/14 , H02P25/08 , H02P2103/20
Abstract: A field control device for a synchronous rotating machine includes: a target operating condition input unit; a first subtraction unit; a final-control-quantity control computation unit that accepts the final-control-quantity deviation and outputs a field-current correction demand value; an anticipatory computation unit that outputs a field-current anticipatory demand value based on the operating condition demand values input; an addition unit that adds the field-current correction demand value and the field-current anticipatory demand value; a second subtraction unit; and a field-current regulation device that adjusts the field current based on the field current deviation. The anticipatory computation unit includes: a dependence characteristic data storage unit that stores dependence characteristics predicted on the basis of the results of a no-load test; and a circuit calculation unit that performs a circuit calculation by using the dependence characteristics and outputs a field-current anticipatory demand value.
Abstract translation: 一种用于同步旋转机械的现场控制装置包括：目标操作条件输入单元; 第一减法单元; 最终控制量控制计算单元，接受最终控制量偏差并输出场电流校正需求值; 预测计算单元，其基于输入的操作条件需求值输出场电流预期需求值; 添加单元，其添加场电流校正需求值和场电流预期需求值; 第二减法单元; 以及基于场电流偏差来调整励磁电流的励磁电流调节装置。 预测计算单元包括：依赖特性数据存储单元，其基于空载测试的结果来存储预测的相关特性; 以及电路计算单元，其通过使用所述依赖特性执行电路计算，并输出场电流预期需求值。
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Patent Agency Ranking
4.发明申请公开(公告)号：US20190149008A1
公开(公告)日：2019-05-16
申请号：US16227904
申请日：2018-12-20
Inventor： Kotaro MURA , Shinsuke KIKUTA , Toshihiro TSUDA , Tetsuo YOSHIMITSU
Abstract: A producing method for an electrical insulating structure that covers an outer surface of a to-be-insulated object, comprises: a taping step in which a main insulation tape is wound on the outside of the to-be-insulated object to forma main insulated part; a vacuum drawing step in which the tape-wound to-be-insulated object is subjected to vacuum drawing, after the taping step; and an impregnation step in which a nanoparticle-containing impregnating macromolecular polymer, in which nanoparticles have been kneaded, is injected to impregnate the main insulated part therewith, after the vacuum drawing step.
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公开(公告)号：US20190149006A1
公开(公告)日：2019-05-16
申请号：US16227840
申请日：2018-12-20
Inventor： Kotaro MURA , Masahiro TAKENO , Toshihiro TSUDA , Tetsuo YOSHIMITSU
Abstract: A method for producing a corona discharge-preventing structure for covering the outer surface of a to-be-insulated object is presented. The method comprises: a tape producing step of producing a corona discharge-preventing tape including a macromolecular polymer added with electrically conductive powders and non-electrically conductive nanoparticles; a main insulating step of winding a main insulating tape around the to-be-insulated object; and a winding step of winding the corona discharge-preventing tape around the outer surface of the to-be-insulated object around which the main insulating tape has been wound.
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6.发明申请公开(公告)号：US20190149009A1
公开(公告)日：2019-05-16
申请号：US16227933
申请日：2018-12-20
Inventor： Kotaro MURA , Shinsuke KIKUTA , Toshihiro TSUDA , Tetsuo YOSHIMITSU
Abstract: A producing method is for an electrical insulating structure covering an outer surface of a to-be-insulated object. The electrical insulating structure producing method comprises: a sheet production step of producing a main insulating sheet in which nanoparticles have been mixed; a cutting step in which the main insulating sheet is cut into main insulation tapes; a taping step of winding each of main insulation tapes on outside of the to-be-insulated object to produce a tape-wound to-be-insulated object in which a main insulated part is formed; a vacuum drawing step of vacuum drawing the tape-wound to-be-insulated object; an impregnation step of injecting a impregnating macromolecular polymer to impregnate the main insulated part in the tape-wound to-be-insulated object, and a solidifying step of raising the temperature of the insulated part to solidify the macromolecular polymer containing the nanoparticles.
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公开(公告)号：US20180292342A1
公开(公告)日：2018-10-11
申请号：US16008525
申请日：2018-06-14
Inventor： Kotaro MURA , Tetsuo YOSHIMITSU , Toshihiro TSUDA
Abstract: This electrical tree test method is a method for testing for electrical trees in an insulating member including a mica insulation applied to an electrical conductor. The method comprises: an assembly setting step of setting an electrode setting assembly to the outside of the mica insulation; an impregnation step of impregnating the mica insulation with synthetic resin after the assembly setting step; a removal step of removing components of the electrode setting assembly, except an electrode structure, after the impregnation step; a power supply connecting step of connecting, after the removal step, the electrical conductor and the electrode structure to a power supply in order to apply a voltage between the electrical conductor and the electrode structure; and a voltage applying step of applying a voltage between the electrical conductor and the electrode structure, after the power supply connecting step.
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8.发明申请WATER-TREE RESISTANCE EVALUATION METHOD, INSULATION DESIGN METHOD, AND ROTARY ELECTRIC MACHINE 审中-公开水电阻评估方法，绝缘设计方法和旋转电机公开(公告)号：US20160223605A1
公开(公告)日：2016-08-04
申请号：US15022328
申请日：2013-09-20
Inventor： Toshihiro TSUDA , Tetsuo YOSHIMITSU , Yuichi TSUBOI , Yoshihiro ISHIKAWA , Teruo KANEKAWA
CPC classification number: G01R31/1272 , G01N17/00 , G01R31/003 , G01R31/1227 , G01R31/34 , H02K3/44
Abstract: A water-tree resistance evaluation material including: a material selection selecting a candidate insulation material; a test carrying out a water tree test on a test piece having electrode holes formed on a first surface; and a candidate insulation material evaluation evaluating characteristics of the candidate insulation material, including progress and speed of a water tree. The test includes: a system and condition setting for setting a test system; a voltage application for grounding a ground-side electrode that is immersed in the ground-side aqueous solution, while applying an AC voltage to an application-side electrode that is immersed in the application-side aqueous solution; a measurement step; and a period determination for determining whether a test period has exceeded a predetermined period.
Abstract translation: 一种耐水树木评价材料，包括：选择候选绝缘材料的材料选择; 在形成有第一表面的电极孔的试验片上进行水树试验的试验; 以及候选绝缘材料的候选绝缘材料评价特性评价特性，包括水树的进度和速度。 测试包括：设置测试系统的系统和条件设置; 同时对浸在施加侧水溶液中的施加侧电极施加交流电压，将浸渍在接地侧水溶液中的接地侧电极接地的电压施加; 测量步骤; 以及用于确定测试周期是否超过预定周期的周期确定。
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