Claims
- 1. A method of repairing a transformer having an annealed wound amorphous metal core with a core joint in a cut leg thereof, wherein uncut legs of said core are at least partially covered with a substrate impregnated with a curable adhesive, a coil over each of said uncut legs that adjoins said cut leg, a porous material wrapping sides of said cut leg, said porous material being free of curable adhesive, and including an outer layer at least partially wrapping said porous material, said method comprising the steps of:
- (a) opening said outer layer;
- (b) unwrapping said porous material from said cut leg and adjoining radii;
- (c) opening said cut leg;
- (d) removing at least one of said coils, replacing said removed coil with another coil;
- (e) closing said cut leg, rewrapping said cut leg and adjoining radii with said porous material; and
- (f) reclosing said outer layer.
- 2. A method according to claim 1 wherein said outer layer is electrical grade steel.
- 3. A method according to claim 1 wherein said core is rectangular, has a rectangular cross-section, and a coil is placed over each leg that adjoins said cut leg.
- 4. A method according to claim 1 wherein said porous material is woven cotton cloth.
Parent Case Info
This is a division of application Ser. No. 07/250,470, filed Sep. 28, 1988, now U.S. Pat. No. 5,083,360.
US Referenced Citations (1)
Number |
Name |
Date |
Kind |
4893400 |
Chenoweth |
Jan 1990 |
|
Divisions (1)
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Number |
Date |
Country |
Parent |
250470 |
Sep 1988 |
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