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    • 2. 发明公开
    • POWER CAPACITOR UNIT FOR HIGH PRESSURE APPLICATIONS
    • 用于高压应用的电力电容器单元
    • EP3179495A1
    • 2017-06-14
    • EP15198598.3
    • 2015-12-09
    • ABB Schweiz AG
    • BAUR, MatthiasSINGH, BiswajitSCHLEGEL, ChristophERIKSSON, EsbjörnLENDENMANN, HeinzBOEHM, MoritzDONZEL, LiseBANDALO, Felix
    • H01G2/16
    • H01G2/16H01G2/14H01G4/38
    • The present disclosure relates to power capacitor unit (1) for high-pressure applications. The power capacitor unit (1) comprises a housing (3), a plurality of capacitor elements (5-17, 23-35) connected to each other and arranged inside the housing (3), a dielectric liquid (L), a solid electrical insulation system arranged to electrically insulate each capacitor element (5-17, 23-35), a busbar, a plurality of fuse wires (5a-17a), each fuse wire having a first end connected to a respective capacitor element (5-17, 23-35) and a second end connected to the busbar (B), wherein the capacitor elements (5-17, 23-35), the solid electrical insulation system (41), and the fuse wires (5a-17a) are immersed in the dielectric liquid (L). Each fuse wire (5a-17a) has a plurality of first sections that are in physical contact with the electrical insulation system, and wherein each fuse wire (5a-17a) has a plurality of second sections without physical contact with the solid electrical insulation system.
    • 本公开涉及用于高压应用的功率电容器单元(1)。 功率电容器单元(1)包括壳体(3),多个彼此连接并且布置在壳体(3)内的电容器元件(5-17,23-35),电介质液体(L),固体 (5-17,23-35),母线,多根熔丝(5a-17a)电绝缘的电绝缘系统,每根熔丝具有连接到相应电容器元件(5- 其中电容器元件(5-17,23-35),固体电绝缘系统(41)以及熔丝(5a-17a)连接到汇流条(B) 浸入电介质液体(L)中。 每根保险丝(5a-17a)具有与电绝缘系统物理接触的多个第一部分,并且其中每根保险丝(5a-17a)具有多个第二部分,而与物理接触的固体电绝缘系统 。