ZA844508B - Electrical circuit for switching a multi-phase a.c.supply to a load - Google Patents
Electrical circuit for switching a multi-phase a.c.supply to a loadInfo
- Publication number
- ZA844508B ZA844508B ZA844508A ZA844508A ZA844508B ZA 844508 B ZA844508 B ZA 844508B ZA 844508 A ZA844508 A ZA 844508A ZA 844508 A ZA844508 A ZA 844508A ZA 844508 B ZA844508 B ZA 844508B
- Authority
- ZA
- South Africa
- Prior art keywords
- switching
- load
- phase
- supply
- electrical circuit
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H9/00—Emergency protective circuit arrangements for limiting excess current or voltage without disconnection
- H02H9/005—Emergency protective circuit arrangements for limiting excess current or voltage without disconnection avoiding undesired transient conditions
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
- H02P23/00—Arrangements or methods for the control of AC motors characterised by a control method other than vector control
- H02P23/24—Controlling the direction, e.g. clockwise or counterclockwise
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Control Of Ac Motors In General (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB838316441A GB8316441D0 (en) | 1983-06-16 | 1983-06-16 | Electrical circuit |
Publications (1)
Publication Number | Publication Date |
---|---|
ZA844508B true ZA844508B (en) | 1985-01-30 |
Family
ID=10544329
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ZA844508A ZA844508B (en) | 1983-06-16 | 1984-06-14 | Electrical circuit for switching a multi-phase a.c.supply to a load |
Country Status (6)
Country | Link |
---|---|
EP (1) | EP0145774A1 (en) |
AU (1) | AU3069084A (en) |
GB (1) | GB8316441D0 (en) |
IT (1) | IT1177800B (en) |
WO (1) | WO1985000079A1 (en) |
ZA (1) | ZA844508B (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6966275B2 (en) * | 2001-10-10 | 2005-11-22 | Whitehill David C E | Pet bed |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
IT998793B (en) * | 1972-10-21 | 1976-02-20 | Licentia Gmbh | ELECTRONIC REVERSE PROTECTION DEVICE |
US4259705A (en) * | 1979-03-27 | 1981-03-31 | Stifter Francis J | Combination surge suppressor filter |
CA1124819A (en) * | 1979-10-26 | 1982-06-01 | Robert F. Rose | Power control for vibratory feeder |
BE889496A (en) * | 1981-07-03 | 1981-11-03 | Dumont Gilbert C | POLYPHASE STATIC INVERTER |
-
1983
- 1983-06-16 GB GB838316441A patent/GB8316441D0/en active Pending
-
1984
- 1984-06-14 ZA ZA844508A patent/ZA844508B/en unknown
- 1984-06-15 EP EP84902521A patent/EP0145774A1/en not_active Withdrawn
- 1984-06-15 IT IT48406/84A patent/IT1177800B/en active
- 1984-06-15 WO PCT/GB1984/000209 patent/WO1985000079A1/en unknown
- 1984-06-15 AU AU30690/84A patent/AU3069084A/en not_active Abandoned
Also Published As
Publication number | Publication date |
---|---|
IT8448406A0 (en) | 1984-06-15 |
IT1177800B (en) | 1987-08-26 |
AU3069084A (en) | 1985-01-11 |
WO1985000079A1 (en) | 1985-01-03 |
GB8316441D0 (en) | 1983-07-20 |
EP0145774A1 (en) | 1985-06-26 |
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