SE367273B - - Google Patents
Info
- Publication number
- SE367273B SE367273B SE505471A SE505471A SE367273B SE 367273 B SE367273 B SE 367273B SE 505471 A SE505471 A SE 505471A SE 505471 A SE505471 A SE 505471A SE 367273 B SE367273 B SE 367273B
- Authority
- SE
- Sweden
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F29/00—Variable transformers or inductances not covered by group H01F21/00
- H01F29/02—Variable transformers or inductances not covered by group H01F21/00 with tappings on coil or winding; with provision for rearrangement or interconnection of windings
- H01F29/04—Variable transformers or inductances not covered by group H01F21/00 with tappings on coil or winding; with provision for rearrangement or interconnection of windings having provision for tap-changing without interrupting the load current
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K9/00—Arc welding or cutting
- B23K9/02—Seam welding; Backing means; Inserts
- B23K9/028—Seam welding; Backing means; Inserts for curved planar seams
- B23K9/0288—Seam welding; Backing means; Inserts for curved planar seams for welding of tubes to tube plates
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
- H01H9/54—Circuit arrangements not adapted to a particular application of the switching device and for which no provision exists elsewhere
- H01H9/541—Contacts shunted by semiconductor devices
- H01H9/542—Contacts shunted by static switch means
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- Plasma & Fusion (AREA)
- Mechanical Engineering (AREA)
- Emergency Protection Circuit Devices (AREA)
- Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
- Ac-Ac Conversion (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NO165170A NO122851B (en:Method) | 1970-04-30 | 1970-04-30 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| SE367273B true SE367273B (en:Method) | 1974-05-20 |
Family
ID=19878347
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| SE505471A SE367273B (en:Method) | 1970-04-30 | 1971-04-19 |
Country Status (6)
| Country | Link |
|---|---|
| DE (2) | DE2120679C3 (en:Method) |
| DK (1) | DK126406B (en:Method) |
| FR (1) | FR2090942A5 (en:Method) |
| GB (1) | GB1300860A (en:Method) |
| NO (1) | NO122851B (en:Method) |
| SE (1) | SE367273B (en:Method) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2844872A1 (de) * | 1978-10-14 | 1980-04-30 | Siemens Ag | Stelltransformator fuer elektrische spielzeug- und modelleisenbahnen |
| DE3304851A1 (de) * | 1983-02-12 | 1984-08-16 | Reinhausen Maschf Scheubeck | Schaltanordnung fuer lastumschalter von stufenschaltern fuer stufentransformatoren |
| SE436530B (sv) * | 1983-05-10 | 1984-12-17 | Asea Ab | Lindningskopplare |
| FR2695769B1 (fr) * | 1992-09-17 | 1994-11-25 | Electricite De France | Circuit statique variateur de tension alternative en charge. |
| US7595614B2 (en) | 2007-12-07 | 2009-09-29 | Pennsylvania Transformer Technology, Inc. | Load tap changer |
| CN114558694B (zh) * | 2022-02-28 | 2022-12-20 | 广东大唐国际雷州发电有限责任公司 | 一种燃煤电厂智能电除尘设备及除尘方法 |
-
1970
- 1970-04-30 NO NO165170A patent/NO122851B/no unknown
-
1971
- 1971-04-19 SE SE505471A patent/SE367273B/xx unknown
- 1971-04-27 DE DE19712120679 patent/DE2120679C3/de not_active Expired
- 1971-04-27 DE DE19712166929 patent/DE2166929A1/de active Pending
- 1971-04-29 FR FR7115381A patent/FR2090942A5/fr not_active Expired
- 1971-04-29 DK DK206971A patent/DK126406B/da unknown
- 1971-04-30 GB GB1256271A patent/GB1300860A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| NO122851B (en:Method) | 1971-08-23 |
| DE2120679A1 (de) | 1971-11-18 |
| DE2166929A1 (de) | 1976-10-28 |
| GB1300860A (en) | 1972-12-20 |
| FR2090942A5 (en:Method) | 1972-01-14 |
| DE2120679C3 (de) | 1980-02-07 |
| DE2120679B2 (de) | 1977-03-31 |
| DK126406B (da) | 1973-07-09 |