Title:
POWER CAPACITOR AND METHOD FOR MANUFACTURING THE SAME
Document Type and Number:
WIPO Patent Application WO/2022/036552
Kind Code:
A1
Abstract:
Disclosed are a power capacitor with fireproof functionality, and a method for manufacturing the same. The power capacitor comprises an inner capacitor unit comprising a capacitor casing (1), an elements package (2) arranged in the capacitor casing (1), an insulation fluid (3) filled in the capacitor casing (1), a pair of bushings (4) and a pair of capacitor electrodes (5). The power capacitor further comprises an outer shell (7) in which the inner capacitor unit is arranged, and a non-flammable solid mineral material (8) filled between the outer shell (7) and the capacitor casing (1). The pair of bushings (4) is configured to be hermetically fixed to and extend through the capacitor casing (1) and the outer shell (7), and the pair of capacitor electrodes (5) is configured to extend through the capacitor casing (1) and the outer shell (7) via the pair of bushings (4).
Inventors:
DONG XUAN (CN)
QI LEJUN (CN)
YANG RUIXIAO (CN)
QI LEJUN (CN)
YANG RUIXIAO (CN)
Application Number:
PCT/CN2020/109785
Publication Date:
February 24, 2022
Filing Date:
August 18, 2020
Export Citation:
Assignee:
HITACHI ENERGY SWITZERLAND AG (CH)
DONG XUAN (CN)
DONG XUAN (CN)
International Classes:
H01G2/10; H01G4/224
Foreign References:
| CN102683004A | 2012-09-19 | |||
| US6771487B1 | 2004-08-03 | |||
| CN1207567A | 1999-02-10 | |||
| CN204067058U | 2014-12-31 | |||
| DE1814099A1 | 1970-09-24 | |||
| CN202373456U | 2012-08-08 | |||
| CN106158368A | 2016-11-23 |
Attorney, Agent or Firm:
ZHONGZI LAW OFFICE (CN)
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