SE352980B - - Google Patents
Info
- Publication number
- SE352980B SE352980B SE03091/70A SE309170A SE352980B SE 352980 B SE352980 B SE 352980B SE 03091/70 A SE03091/70 A SE 03091/70A SE 309170 A SE309170 A SE 309170A SE 352980 B SE352980 B SE 352980B
- Authority
- SE
- Sweden
Links
Classifications
-
- 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
- H01H9/0005—Tap change devices
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- 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
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H33/00—High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
- H01H33/60—Switches wherein the means for extinguishing or preventing the arc do not include separate means for obtaining or increasing flow of arc-extinguishing fluid
- H01H33/66—Vacuum switches
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- 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
- H01H9/0005—Tap change devices
- H01H9/0038—Tap change devices making use of vacuum switches
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H7/00—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions
- H02H7/04—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for transformers
- H02H7/055—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for transformers for tapped transformers or tap-changing means thereof
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- High-Tension Arc-Extinguishing Switches Without Spraying Means (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH362269A CH497081A (de) | 1969-03-11 | 1969-03-11 | Stufenschalteinrichtung für Anzapftransformatoren |
Publications (1)
Publication Number | Publication Date |
---|---|
SE352980B true SE352980B (de) | 1973-01-15 |
Family
ID=4259933
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SE03091/70A SE352980B (de) | 1969-03-11 | 1970-03-09 |
Country Status (4)
Country | Link |
---|---|
US (1) | US3628128A (de) |
JP (1) | JPS4932565B1 (de) |
NL (1) | NL161292C (de) |
SE (1) | SE352980B (de) |
Families Citing this family (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3735243A (en) * | 1972-04-03 | 1973-05-22 | Gen Electric | Control system for tap changer with vacuum interrupter |
FR2272377B1 (de) * | 1974-05-24 | 1977-06-24 | Texas Instruments France | |
JPS5133342U (de) * | 1974-09-02 | 1976-03-11 | ||
JPS5156973U (de) * | 1974-10-28 | 1976-05-04 | ||
JPS5159284A (ja) * | 1974-11-20 | 1976-05-24 | Matsushita Electric Ind Co Ltd | Hikariketsugosochi |
JPS5256566U (de) * | 1975-10-22 | 1977-04-23 | ||
US4081741A (en) * | 1975-10-29 | 1978-03-28 | Asea Aktiebolag | On-load tap changer |
JPS53164771U (de) * | 1977-05-30 | 1978-12-23 | ||
JPS5412689A (en) * | 1977-06-30 | 1979-01-30 | Omron Tateisi Electronics Co | Photo coupler |
JPS5457885A (en) * | 1977-10-17 | 1979-05-10 | Omron Tateisi Electronics Co | Reflection type photo coupler |
JPS5630774A (en) * | 1979-08-23 | 1981-03-27 | Fujitsu General Ltd | Optical coupler |
US4384247A (en) * | 1981-05-08 | 1983-05-17 | Trw Inc. | Under-load switching device particularly adapted for voltage regulation and balance |
DE4237242A1 (de) * | 1992-05-15 | 1994-05-05 | Reinhausen Maschf Scheubeck | Stufenschalter für einen vorzugsweise gießharzisolierten Stufentransformator |
ATE136684T1 (de) * | 1992-07-16 | 1996-04-15 | Reinhausen Maschf Scheubeck | Stufenschalter |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR1262054A (fr) * | 1960-04-15 | 1961-05-26 | Acec | Sélecteurs de prises pour commutateurs de réglage en charge de la tension des transformateurs |
US3206580A (en) * | 1962-08-28 | 1965-09-14 | Gen Electric | Fluid immersed tap changing switching system for transformers |
CH403075A (de) * | 1963-09-27 | 1965-11-30 | Bbc Brown Boveri & Cie | Stufenschalteinrichtung für Regeltransformatoren |
GB1166617A (en) * | 1965-12-01 | 1969-10-08 | English Electric Co Ltd | Improvements in or relating to Tapchanging Arrangements |
-
1970
- 1970-03-06 US US17071A patent/US3628128A/en not_active Expired - Lifetime
- 1970-03-08 NL NL7003287.A patent/NL161292C/xx not_active IP Right Cessation
- 1970-03-09 SE SE03091/70A patent/SE352980B/xx unknown
- 1970-03-09 JP JP45019363A patent/JPS4932565B1/ja active Pending
Also Published As
Publication number | Publication date |
---|---|
US3628128A (en) | 1971-12-14 |
NL161292C (nl) | 1980-01-15 |
NL7003287A (de) | 1970-09-15 |
JPS4932565B1 (de) | 1974-08-31 |