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Power transformer/inductor
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Inventors
Fromm, Udo
Hornfeldt, Sven
Holmberg, Par
Kylander, Gunnar
Ming, Li
Leijon, Mats
Application #
355801
Filed
Feb-2-1998
Published
Nov-29-2005
Current US Class
336/182
336/205
336/212
International Classes
H01F 027/28
Field of Search
336/182 336/185 336/212 174/102.SC 174/155 174/156 174/158
Assignee
ABB AB (Vasteras, SE)
Examiners
Mai; Anh
Attorney, Agent or Firm
Oblon, Spivak, McClelland, Maier & Neustadt, P.C.
US Patent References
| 3932779 |
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Turbo-generator rot... |
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| 3932791 |
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Multi-range, high-s... |
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| 3943392 |
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Combination slot li... |
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| 3947278 |
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Duplex resistor inks |
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| 3965408 |
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Controlled ferroreso... |
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| 3968388 |
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Electric machines,... |
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| 3971543 |
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Tool and kit for elec... |
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| 3974314 |
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Electrical insulatio... |
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| 3993860 |
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Electrical cable ad... |
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| 3995785 |
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Apparatus and met... |
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| 4001616 |
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Grounding of outer... |
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| 4008367 |
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Power cable with p... |
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| 4008409 |
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Dynamoelectric ma... |
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| 4031310 |
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Shrinkable electric... |
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| 4039740 |
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Cryogenic power c... |
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| 4041431 |
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Input line voltage c... |
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| 4047138 |
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Power inductor an... |
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| 4064419 |
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Synchronous motor... |
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| 4084307 |
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Method of joining t... |
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| 4085347 |
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Laminated stator co... |
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| 4088953 |
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Eddy-current test pr... |
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| 4091138 |
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Insulating film, she... |
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| 4091139 |
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Semiconductor bin... |
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| 4099227 |
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Sensor circuit |
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| 4103075 |
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Composite monolith... |
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| 4106069 |
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Protection arrange... |
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| 4107092 |
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Novel compositions... |
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| 4109098 |
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High voltage cable |
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| 4121148 |
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Brushless synchron... |
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| 4132914 |
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Six-phase winding... |
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| 4134036 |
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Motor mounting de... |
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| 4134055 |
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Inductor type synch... |
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| 4134146 |
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Surge arrester gap... |
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| 4149101 |
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Arrangement for lo... |
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| 4152615 |
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End iron axial flux... |
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| 4160193 |
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Metal vapor electri... |
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| 4164672 |
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Cooling and insula... |
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| 4164772 |
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AC fault current li... |
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| 4177397 |
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Electrical connectio... |
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| 4177418 |
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Flux controlled shu... |
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| 4184186 |
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Current limiting de... |
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| 4200817 |
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.DELTA.-Connected... |
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| 4200818 |
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Resin impregnated... |
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| 4206434 |
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Regulating transfor... |
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| 4208597 |
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Stator core cooling... |
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| 4229721 |
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Welding transform... |
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| 4238339 |
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Arrangement for su... |
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| 4239999 |
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Super-conductive e... |
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| 4245182 |
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Excitation control a... |
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| 4246694 |
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Method of making l... |
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| 4255684 |
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Laminated motor st... |
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| 4258280 |
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Supporting structur... |
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| 4262209 |
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Supplemental elect... |
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| 4274027 |
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Salient pole rotor w... |
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| 4281264 |
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Mounting of armat... |
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| 4292558 |
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Support structure fo... |
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| 4307311 |
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Winding method fo... |
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| 4308476 |
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Bar windings for el... |
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| 4308575 |
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Power source system |
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| 4310966 |
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Method of making... |
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| 4314168 |
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Prefabricated stator... |
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| 4317001 |
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Irradiation cross-lin... |
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| 4320645 |
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Apparatus for fabri... |
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| 4321426 |
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Bonded transposed... |
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| 4321518 |
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Inductor type synch... |
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| 4326181 |
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High voltage windi... |
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| 4330726 |
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Air-gap winding st... |
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| 4337922 |
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Apparatus for layin... |
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| 4341989 |
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Device for phase co... |
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| 4345804 |
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Flexible bushing c... |
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| 4347449 |
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Process for making... |
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| 4347454 |
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Stator winding for... |
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| 4357542 |
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Wind turbine gener... |
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| 4360748 |
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Polyphase stator sy... |
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| 4361723 |
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Insulated high volt... |
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| 4363612 |
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Flywheel and screw... |
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| 4365178 |
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Laminated rotor for... |
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| 4367425 |
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Impregnated high... |
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| 4367890 |
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Turbine set with a... |
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| 4368418 |
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Apparatus for contr... |
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| 4369389 |
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Device for securing... |
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| 4371745 |
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Shielded wire |
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| 4384944 |
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Carbon filled irrad... |
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| 4387316 |
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Dynamoelectric ma... |
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| 4401920 |
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Laser triggered hig... |
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| 4403163 |
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Conductor bar for e... |
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| 4404486 |
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Star connected air... |
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| 4421284 |
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Reeling of cable |
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| 4425521 |
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Magnetic slot wedg... |
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| 4426771 |
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Method of fabricati... |
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| 4429244 |
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Stator of generator |
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| 4431960 |
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Current amplifying... |
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| 4432029 |
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Protective means fo... |
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| 4437464 |
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Electrosurgical gen... |
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| 4443725 |
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Dynamoelectric ma... |
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| 4470884 |
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High speed alumin... |
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| 4473765 |
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Electrostatic gradin... |
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| 4475075 |
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Electric power gen... |
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| 4477690 |
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Coupling unit of tw... |
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| 4481438 |
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High voltage electri... |
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| 4484106 |
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UV Radiation trigg... |
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| 4488079 |
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Dynamoelectric ma... |
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| 4490651 |
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Laser triggered hig... |
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| 4503284 |
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RF Suppressing m... |
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| 4508251 |
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Cable pulling/feedi... |
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| 4510077 |
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Semiconductive gl... |
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| 4517471 |
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Rotary converter m... |
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| 4520287 |
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Stator for a multipl... |
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| 4523249 |
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Alternating current... |
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| 4538131 |
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Air-core choke coil |
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| 4546210 |
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Litz wire |
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| 4551780 |
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Apparatus for redu... |
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| 4552990 |
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Insulated conductor... |
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| 4557038 |
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Installing a prefabr... |
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| 4560896 |
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Composite slot insul... |
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| 4565929 |
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Wind powered syste... |
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| 4571453 |
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Conductor for an el... |
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| 4588916 |
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End turn insulation... |
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| 4590416 |
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Closed loop power f... |
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| 4594630 |
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Emission controlled... |
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| 4607183 |
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Dynamoelectric ma... |
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| 4615109 |
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Apparatus for insta... |
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| 4615778 |
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Process for electrod... |
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| 4618795 |
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Turbine generator... |
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| 4619040 |
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Method of fabricati... |
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| 4622116 |
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Process for electrod... |
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| 4633109 |
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Electronically com... |
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| 4650924 |
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Ribbon cable, met... |
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| 4652963 |
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Series capacitor eq... |
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| 4656316 |
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Splice protective in... |
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| 4656379 |
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Hybrid excited gen... |
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| 4663603 |
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Winding system for... |
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| 4677328 |
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Generator for use o... |
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| 4687882 |
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Surge attenuating c... |
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| 4692731 |
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Composite wire, coi... |
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| 4723083 |
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Electrodeposited mi... |
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| 4723104 |
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Energy saving syst... |
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| 4724345 |
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Electrodepositing... |
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| 4732412 |
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Coated recoverable... |
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| 4737704 |
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Transformer for ar... |
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| 4745314 |
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Liquid-cooled motor |
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| 4761602 |
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Compound short-cir... |
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| 4766365 |
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Self-regulated trans... |
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| 4771168 |
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Light initiated high... |
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| 4785138 |
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Electric cable for u... |
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| 4795933 |
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Salient-pole rotary... |
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| 4827172 |
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Dc motor with rotor... |
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| 4845308 |
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Superconducting el... |
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| 4847747 |
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Commutation circu... |
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| 4853565 |
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Semi-conducting la... |
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| 4859810 |
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Water-tree stable el... |
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| 4859989 |
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Security system an... |
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| 4860430 |
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Completing a linea... |
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| 4864266 |
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High-voltage windi... |
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| 4883230 |
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Cable switching de... |
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| 4890040 |
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Optically triggered... |
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| 4894284 |
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Cross-linked polyet... |
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| 4914386 |
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Method and appar... |
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| 4918347 |
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Coil winding constr... |
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| 4918835 |
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Apparatus for com... |
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| 4924342 |
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Low voltage transie... |
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| 4926079 |
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Motor field winding... |
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| 4942326 |
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Biased securement... |
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| 4949001 |
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Partial discharge d... |
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| 4982147 |
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Power factor motor... |
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| 4988949 |
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Apparatus for detec... |
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