CH387738A - Switch for multi-phase alternating current - Google Patents
Switch for multi-phase alternating currentInfo
- Publication number
- CH387738A CH387738A CH1393860A CH1393860A CH387738A CH 387738 A CH387738 A CH 387738A CH 1393860 A CH1393860 A CH 1393860A CH 1393860 A CH1393860 A CH 1393860A CH 387738 A CH387738 A CH 387738A
- Authority
- CH
- Switzerland
- Prior art keywords
- switch
- alternating current
- phase alternating
- phase
- current
- 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
- H01H9/541—Contacts shunted by semiconductor devices
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Relay Circuits (AREA)
- Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
- Keying Circuit Devices (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DEL34946A DE1227109B (en) | 1959-12-16 | 1959-12-16 | Mechanically working switch for multi-phase alternating current |
| DEL35076A DE1108778B (en) | 1959-12-16 | 1960-01-08 | Arc-free three-phase switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CH387738A true CH387738A (en) | 1965-02-15 |
Family
ID=25985283
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CH1393860A CH387738A (en) | 1959-12-16 | 1960-12-12 | Switch for multi-phase alternating current |
| CH24361A CH416788A (en) | 1959-12-16 | 1961-01-06 | Procedure for switching three-phase current |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CH24361A CH416788A (en) | 1959-12-16 | 1961-01-06 | Procedure for switching three-phase current |
Country Status (3)
| Country | Link |
|---|---|
| CH (2) | CH387738A (en) |
| DE (1) | DE1108778B (en) |
| GB (2) | GB922996A (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3228244A (en) * | 1962-10-15 | 1966-01-11 | Rockwell Mfg Co | Fluid flow meter |
-
1960
- 1960-01-08 DE DEL35076A patent/DE1108778B/en active Pending
- 1960-12-12 CH CH1393860A patent/CH387738A/en unknown
- 1960-12-16 GB GB4338260A patent/GB922996A/en not_active Expired
-
1961
- 1961-01-06 CH CH24361A patent/CH416788A/en unknown
- 1961-01-09 GB GB83761A patent/GB940394A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| GB922996A (en) | 1963-04-03 |
| CH416788A (en) | 1966-07-15 |
| GB940394A (en) | 1963-10-30 |
| DE1108778B (en) | 1961-06-15 |
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