NO122851B - - Google Patents
Download PDFInfo
- Publication number
- NO122851B NO122851B NO165170A NO165170A NO122851B NO 122851 B NO122851 B NO 122851B NO 165170 A NO165170 A NO 165170A NO 165170 A NO165170 A NO 165170A NO 122851 B NO122851 B NO 122851B
- Authority
- NO
- Norway
- Prior art keywords
- thyristors
- current
- load
- quick
- voltage
- Prior art date
Links
- 230000001105 regulatory effect Effects 0.000 description 4
- 238000012423 maintenance Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000004804 winding Methods 0.000 description 2
- 230000001419 dependent effect Effects 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
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)
Priority Applications (7)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
NO165170A NO122851B (de) | 1970-04-30 | 1970-04-30 | |
SE505471A SE367273B (de) | 1970-04-30 | 1971-04-19 | |
DE19712120679 DE2120679C3 (de) | 1970-04-30 | 1971-04-27 | Lastumschalter für einen Stufenschalter eines Transformators |
DE19712166929 DE2166929A1 (de) | 1970-04-30 | 1971-04-27 | Schaltungsanordnung zur umschaltung eines stufentransformators mit je 2 haupt- und hilfskontaktpaaren |
DK206971A DK126406B (da) | 1970-04-30 | 1971-04-29 | Anordning ved en belastningskobler til reguleringstransformatorer. |
FR7115381A FR2090942A5 (de) | 1970-04-30 | 1971-04-29 | |
GB1256271A GB1300860A (en) | 1970-04-30 | 1971-04-30 | Improvements in on-load changers for regulating transformers |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
NO165170A NO122851B (de) | 1970-04-30 | 1970-04-30 |
Publications (1)
Publication Number | Publication Date |
---|---|
NO122851B true NO122851B (de) | 1971-08-23 |
Family
ID=19878347
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NO165170A NO122851B (de) | 1970-04-30 | 1970-04-30 |
Country Status (6)
Country | Link |
---|---|
DE (2) | DE2120679C3 (de) |
DK (1) | DK126406B (de) |
FR (1) | FR2090942A5 (de) |
GB (1) | GB1300860A (de) |
NO (1) | NO122851B (de) |
SE (1) | SE367273B (de) |
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 DK DK206971A patent/DK126406B/da unknown
- 1971-04-29 FR FR7115381A patent/FR2090942A5/fr not_active Expired
- 1971-04-30 GB GB1256271A patent/GB1300860A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
DK126406B (da) | 1973-07-09 |
GB1300860A (en) | 1972-12-20 |
DE2120679C3 (de) | 1980-02-07 |
DE2120679B2 (de) | 1977-03-31 |
DE2120679A1 (de) | 1971-11-18 |
FR2090942A5 (de) | 1972-01-14 |
SE367273B (de) | 1974-05-20 |
DE2166929A1 (de) | 1976-10-28 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
US3944891A (en) | Circuit for verifying correct connections to a three-wire dual voltage power distribution system and the absence of open circuit conditions therein | |
US2085060A (en) | Constant current system | |
NO122851B (de) | ||
US3319153A (en) | Automatic voltage control circuit employing electronic tap charger | |
US3633072A (en) | Phase detection circuit | |
US3986103A (en) | Monitoring circuit for a plurality of valves | |
US3944913A (en) | System for effecting tap changes of tapped transformer windings by means of thyristors | |
US3588518A (en) | Power multiplexing system | |
US2484575A (en) | Phase controled switching system | |
US3401308A (en) | Circuit arrangements for detecting phase unbalance | |
US2935676A (en) | Sensing device for diode rectifiers | |
US1929059A (en) | Electric fault responsive apparatus | |
US2099715A (en) | Constant current system | |
US2345155A (en) | Automatic reclosing circuit breaker system | |
US3163800A (en) | Protection device for transformers operating in parallel | |
US2275881A (en) | Fault protective system | |
US1944072A (en) | Automatic reclosing circuit breaker system | |
US2938150A (en) | Phase failure protector | |
US2331643A (en) | Electric valve protective system | |
US1947193A (en) | Electrical power distribution system | |
SE436529B (sv) | Lindningskopplare | |
US1734915A (en) | Mercury arc rectifier system | |
US1971810A (en) | Electrical distribution system | |
US2169202A (en) | Electric valve protective system | |
US2225055A (en) | Circuit interrupting means |