ZA786984B - A method for switching in a three-phase high voltage circuit - Google Patents
A method for switching in a three-phase high voltage circuitInfo
- Publication number
- ZA786984B ZA786984B ZA00786984A ZA786984A ZA786984B ZA 786984 B ZA786984 B ZA 786984B ZA 00786984 A ZA00786984 A ZA 00786984A ZA 786984 A ZA786984 A ZA 786984A ZA 786984 B ZA786984 B ZA 786984B
- Authority
- ZA
- South Africa
- Prior art keywords
- switching
- high voltage
- voltage circuit
- phase high
- phase
- Prior art date
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
- H01H9/54—Circuit arrangements not adapted to a particular application of the switching device and for which no provision exists elsewhere
- H01H9/56—Circuit arrangements not adapted to a particular application of the switching device and for which no provision exists elsewhere for ensuring operation of the switch at a predetermined point in the ac cycle
- H01H9/563—Circuit arrangements not adapted to a particular application of the switching device and for which no provision exists elsewhere for ensuring operation of the switch at a predetermined point in the ac cycle for multipolar switches, e.g. different timing for different phases, selecting phase with first zero-crossing
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
- Keying Circuit Devices (AREA)
- Supply And Distribution Of Alternating Current (AREA)
- Supplying Of Containers To The Packaging Station (AREA)
- General Induction Heating (AREA)
- Generation Of Surge Voltage And Current (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
NLAANVRAGE7713854,A NL172899C (en) | 1977-12-14 | 1977-12-14 | SWITCHING METHOD FOR SWITCHING WITH A VACUUM SWITCH OR SIMILAR SWITCH IN A THREE-PHASE HIGH-VOLTAGE CIRCUIT AND APPLICABLE SWITCH. |
Publications (1)
Publication Number | Publication Date |
---|---|
ZA786984B true ZA786984B (en) | 1979-11-28 |
Family
ID=19829756
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ZA00786984A ZA786984B (en) | 1977-12-14 | 1978-12-13 | A method for switching in a three-phase high voltage circuit |
Country Status (16)
Country | Link |
---|---|
JP (1) | JPS5489233A (en) |
AT (1) | AT376324B (en) |
AU (1) | AU535638B2 (en) |
BE (1) | BE872763A (en) |
CH (1) | CH636476A5 (en) |
DE (1) | DE2854092A1 (en) |
DK (1) | DK155558C (en) |
ES (1) | ES476006A1 (en) |
FR (1) | FR2412158A1 (en) |
GB (1) | GB2011719B (en) |
IN (1) | IN150739B (en) |
IT (1) | IT1108276B (en) |
NL (1) | NL172899C (en) |
NO (1) | NO150378C (en) |
SE (1) | SE442691B (en) |
ZA (1) | ZA786984B (en) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3924909A1 (en) * | 1988-09-27 | 1991-01-31 | Siemens Ag | METHOD FOR OPERATING AN ELECTRICAL CIRCUIT BREAKER |
DE3833166A1 (en) * | 1988-09-27 | 1990-03-29 | Siemens Ag | Method for operating a power switch |
DE3905822A1 (en) * | 1989-02-22 | 1990-08-23 | Siemens Ag | METHOD FOR OPERATING A CIRCUIT BREAKER |
DE4204559A1 (en) * | 1992-02-13 | 1993-08-19 | Slamecka Ernst | Limitation of switching voltage on connecting inductive load e.g. compensation reactor coil in AC loop - connecting voltage limiter during high voltage periods and disconnecting during stationary operation of load |
JP2564556Y2 (en) * | 1994-09-26 | 1998-03-09 | ワイケイケイ株式会社 | Wooden door |
DE19525286C2 (en) * | 1995-07-03 | 2002-08-01 | Siemens Ag | Multipole vacuum switch with a drive device |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
NL171144C (en) * | Shell Int Research | PROCEDURE FOR REDUCING THE TOTAL SULFUR CONTENT OF CLAUSE GASES. | ||
DE506855C (en) * | 1927-04-09 | 1930-09-09 | Asea Ab | Arrangement on three-pole switches for three-phase current |
DE765697C (en) * | 1938-04-28 | 1953-05-11 | Siemens Schuckertwerke A G | Device for switching off three-phase electricity |
BE568871A (en) * | 1957-06-28 | 1900-01-01 | ||
GB923310A (en) * | 1958-09-26 | 1963-04-10 | Ass Elect Ind | Improvements in and relating to gas blast polyphase circuit breakers |
-
1977
- 1977-12-14 NL NLAANVRAGE7713854,A patent/NL172899C/en not_active IP Right Cessation
-
1978
- 1978-12-12 FR FR7834902A patent/FR2412158A1/en active Granted
- 1978-12-13 IT IT69838/78A patent/IT1108276B/en active
- 1978-12-13 AT AT0889778A patent/AT376324B/en not_active IP Right Cessation
- 1978-12-13 DK DK560478A patent/DK155558C/en not_active IP Right Cessation
- 1978-12-13 GB GB7848279A patent/GB2011719B/en not_active Expired
- 1978-12-13 ZA ZA00786984A patent/ZA786984B/en unknown
- 1978-12-13 JP JP15325178A patent/JPS5489233A/en active Granted
- 1978-12-13 NO NO784195A patent/NO150378C/en unknown
- 1978-12-13 AU AU42476/78A patent/AU535638B2/en not_active Expired
- 1978-12-13 IN IN1323/CAL/78A patent/IN150739B/en unknown
- 1978-12-14 ES ES476006A patent/ES476006A1/en not_active Expired
- 1978-12-14 BE BE192319A patent/BE872763A/en not_active IP Right Cessation
- 1978-12-14 DE DE19782854092 patent/DE2854092A1/en active Granted
- 1978-12-14 CH CH1274778A patent/CH636476A5/en not_active IP Right Cessation
- 1978-12-14 SE SE7812887A patent/SE442691B/en not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
FR2412158B1 (en) | 1982-10-08 |
IT1108276B (en) | 1985-12-02 |
GB2011719B (en) | 1982-06-16 |
DK560478A (en) | 1979-06-15 |
CH636476A5 (en) | 1983-05-31 |
NO784195L (en) | 1979-06-15 |
DK155558C (en) | 1989-09-04 |
AU4247678A (en) | 1979-06-21 |
ATA889778A (en) | 1984-03-15 |
NL172899C (en) | 1983-11-01 |
DE2854092A1 (en) | 1979-06-28 |
GB2011719A (en) | 1979-07-11 |
IT7869838A0 (en) | 1978-12-13 |
FR2412158A1 (en) | 1979-07-13 |
BE872763A (en) | 1979-06-14 |
JPH02805B2 (en) | 1990-01-09 |
SE442691B (en) | 1986-01-20 |
AT376324B (en) | 1984-11-12 |
AU535638B2 (en) | 1984-03-29 |
NL7713854A (en) | 1979-06-18 |
NO150378B (en) | 1984-06-25 |
DK155558B (en) | 1989-04-17 |
SE7812887L (en) | 1979-06-15 |
NO150378C (en) | 1984-10-03 |
ES476006A1 (en) | 1980-01-16 |
DE2854092C2 (en) | 1987-10-22 |
IN150739B (en) | 1982-12-04 |
JPS5489233A (en) | 1979-07-16 |
NL172899B (en) | 1983-06-01 |
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