CURRENT LIMITING RESISTOR FOR LOAD TAP CHANGER

PROBLEM TO BE SOLVED: To provide a current limiting resistor for a load tap changer capable of suppressing temperature rise.SOLUTION: There are provided a current limiting resistor 1 having a main body portion 101 including a coil formed of a metal having electric resistance as a material, and one a...

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1. Verfasser: TAKEDA MANABU
Format: Patent
Sprache:eng ; jpn
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Zusammenfassung:PROBLEM TO BE SOLVED: To provide a current limiting resistor for a load tap changer capable of suppressing temperature rise.SOLUTION: There are provided a current limiting resistor 1 having a main body portion 101 including a coil formed of a metal having electric resistance as a material, and one and the other terminal portions 102 and 103 integrally formed at one end and the other end in the axial direction of the main body portion, respectively, the current limiting resistor 1 having a material exposed on the outer surface, and an insulation frame 3 having a pair of resistive element support portions 301 and 302 arranged opposite to each other and having a space S for disposing a part of the body portion of the current limiting resistor between the pair of resistor support portions. With a part of the body portion of the current limiting resistor 1 placed in the space of the insulating frame 3, one end portion and the other end portion are fastened to one and the other of the pair of resistor supporting portions of the insulating frame, respectively.SELECTED DRAWING: Figure 2 【課題】従来より温度上昇を抑制することができる負荷時タップ切換器用限流抵抗器を提供する。【解決手段】電気抵抗を有する金属を素材として形成されたコイルからなる本体部101と該本体部の軸線方向の一端及び他端にそれぞれ一体に形成された一方及び他方の端末部102及び103とを有して素材が外面に露呈された限流抵抗体1と、対向配置された一対の抵抗体支持部301,302を有して一対の抵抗体支持部の間に限流抵抗体の本体部の一部を配置するためのスペースSが形成された絶縁フレーム3とを設けて、限流抵抗体1の本体部の一部を絶縁フレーム3のスペースに配置した状態でその一方の端末部及び他方の端末部をそれぞれ絶縁フレームの一対の抵抗体支持部の一方及び他方に締結するようにした。【選択図】 図2