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Title: Capacitor bank



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Claims: We claim:

1. A capacitor bank for use in high voltage electric plants, comprising capacitor units:

a rack of insulating material for supporting and electrically insulating said capacitor units from one another;

a tank enclosing said rack and said capacitor units and including an insulating fluid for regulating the temperature in said tank;

said rack including guide conduits for circulating at least part of said fluid to each of said capacitor units to maintain the temperature thereof at a predetermined value;

said capacitor units are mounted within said rack to provide channels between the capacitor units and between the capacitor units and the tank for circulation of said fluid therein, and said capacitor units are mounted in two spaced columns, the capacitors in each column being mounted with their respective terminal bushings extending into the space formed between said two columns;

said rack includes wall members for separating the rack into an upper and a lower half and in turn for separating each of said upper and lower halfs into two columns with a shaft extending therebetween from said lower half to said upper half; and

said tank including conduits for introducing said fluid into said shaft and each of said columns.

2. A capacitor bank as in claim 1 wherein the temperature of said fluid is maintained at approximately 40.degree. C.

3. A capacitor bank as in claim 1 wherein said channels extend entirely around the periphery of each of said capacitor units.

Other info:


Inventors: Danemar, Ake (Lidingo, SW)
Johansson, Arne (Grangesberg, SW)
Nerf, Owe (Farsta, SW)

Application Number: 721500
Filing Date: 1976-09-08
Publication_date: 1978-06-13
Assignee: Asea AB (Vasteras, SW)
Primary Class(es): 361/274.2 361/329
Other Classes:
US Patent Ref:
543978Aug, 1895Bradley361/328.
1255597Feb, 1918Giles361/275.
1346694Jul, 1920Bayles361/329.
1852718Apr, 1932Haefely361/329.
1960415May, 1934Miller361/274.
2237814Apr, 1941Foster361/274.
2297200Sep, 1942Buschbeck361/274.
3689809Sep, 1972McDonald361/329.
3911334Oct, 1975Brayshaw361/274.

Other Refs: 613,0651,942,088189,350
Aug, 1926FR
Mar, 1970DT
Oct, 1922UK

Primary Examiner: Goldberg, Elliot A.
Assistant Examiner:
Attorney: Watson, Cole, Grindle & Watson