DK302077A - Variabel effektforsyning - Google Patents
Variabel effektforsyningInfo
- Publication number
- DK302077A DK302077A DK302077A DK302077A DK302077A DK 302077 A DK302077 A DK 302077A DK 302077 A DK302077 A DK 302077A DK 302077 A DK302077 A DK 302077A DK 302077 A DK302077 A DK 302077A
- Authority
- DK
- Denmark
- Prior art keywords
- power supply
- variable power
- variable
- supply
- power
- Prior art date
Links
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
-
- 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
- H02P13/00—Arrangements for controlling transformers, reactors or choke coils, for the purpose of obtaining a desired output
- H02P13/06—Arrangements for controlling transformers, reactors or choke coils, for the purpose of obtaining a desired output by tap-changing; by rearranging interconnections of windings
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Ac-Ac Conversion (AREA)
- Compositions Of Oxide Ceramics (AREA)
- Oscillators With Electromechanical Resonators (AREA)
- Waveguide Switches, Polarizers, And Phase Shifters (AREA)
- Control Of Electrical Variables (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US05/703,075 US4023090A (en) | 1976-07-06 | 1976-07-06 | Zagreb electrical circuit |
Publications (1)
Publication Number | Publication Date |
---|---|
DK302077A true DK302077A (da) | 1978-01-07 |
Family
ID=24823884
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DK302077A DK302077A (da) | 1976-07-06 | 1977-07-05 | Variabel effektforsyning |
Country Status (13)
Country | Link |
---|---|
US (1) | US4023090A (da) |
AU (1) | AU2669077A (da) |
BE (1) | BE856505A (da) |
BR (1) | BR7704441A (da) |
DE (1) | DE2730272A1 (da) |
DK (1) | DK302077A (da) |
ES (1) | ES460444A1 (da) |
FR (1) | FR2358048A1 (da) |
IT (1) | IT1079887B (da) |
MX (1) | MX146955A (da) |
NL (1) | NL7707454A (da) |
NO (1) | NO772337L (da) |
SE (1) | SE7707851L (da) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4912618A (en) * | 1988-11-04 | 1990-03-27 | Sundstrand Corporation | Variable speed, constant frequency generating system with input transformer |
AU2001275125A1 (en) * | 2000-06-01 | 2001-12-11 | Powertec International | Line side power and energy management system and methods |
US20050068013A1 (en) * | 2003-09-30 | 2005-03-31 | Scoggins Robert L. | Apparatus and methods for power regulation of electrical loads to provide reduction in power consumption with reversing contactors |
US7498748B2 (en) * | 2005-11-30 | 2009-03-03 | Clark Iii Howard G | Method and apparatus for providing power in an electrical system |
US20140097693A1 (en) * | 2011-05-24 | 2014-04-10 | Siemens Aktiengesellschaft | Electrical feeding device |
ES2947384T3 (es) * | 2018-07-04 | 2023-08-08 | Vestas Wind Sys As | Corriente de conmutación controlada de un cambiador de tomas en carga de un aerogenerador |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE484683C (de) * | 1925-09-06 | 1929-10-26 | Siemens Schuckertwerke Akt Ges | Einrichtung zur Spannungsregelung in Drehstromnetzen mittels eines Zusatz-transformators in Verbindung mit einem Erregertransformator ohne Anzapfungen |
US2560385A (en) * | 1940-03-14 | 1951-07-10 | Cem Comp Electro Mec | Autotransformer |
US3014173A (en) * | 1960-06-08 | 1961-12-19 | Brentford Transformers Ltd | Electrical control systems |
GB1125439A (en) * | 1964-12-23 | 1968-08-28 | English Electric Co Ltd | Voltage regulated polyphase transformer systems |
JPS4944697B1 (da) * | 1969-11-28 | 1974-11-29 | ||
US3690739A (en) * | 1971-05-25 | 1972-09-12 | Westinghouse Electric Corp | Phase-angle regulator |
IT1010601B (it) * | 1974-03-11 | 1977-01-20 | Legnaioli L | Macchina elettrica per variare il rapporto di trasformazione di una tensione con l ausilio di commuta tori |
-
1976
- 1976-07-06 US US05/703,075 patent/US4023090A/en not_active Expired - Lifetime
-
1977
- 1977-07-01 NO NO772337A patent/NO772337L/no unknown
- 1977-07-01 AU AU26690/77A patent/AU2669077A/en active Pending
- 1977-07-04 IT IT50110/77A patent/IT1079887B/it active
- 1977-07-04 MX MX169718A patent/MX146955A/es unknown
- 1977-07-05 DK DK302077A patent/DK302077A/da unknown
- 1977-07-05 NL NL7707454A patent/NL7707454A/xx not_active Application Discontinuation
- 1977-07-05 DE DE19772730272 patent/DE2730272A1/de active Pending
- 1977-07-05 BE BE179107A patent/BE856505A/xx unknown
- 1977-07-05 SE SE7707851A patent/SE7707851L/xx unknown
- 1977-07-05 FR FR7720667A patent/FR2358048A1/fr not_active Withdrawn
- 1977-07-06 BR BR7704441A patent/BR7704441A/pt unknown
- 1977-07-06 ES ES460444A patent/ES460444A1/es not_active Expired
Also Published As
Publication number | Publication date |
---|---|
BE856505A (fr) | 1977-10-31 |
US4023090A (en) | 1977-05-10 |
MX146955A (es) | 1982-09-15 |
FR2358048A1 (fr) | 1978-02-03 |
DE2730272A1 (de) | 1978-01-12 |
BR7704441A (pt) | 1978-04-04 |
NO772337L (no) | 1978-01-09 |
IT1079887B (it) | 1985-05-13 |
AU2669077A (en) | 1979-01-04 |
NL7707454A (nl) | 1978-01-10 |
SE7707851L (sv) | 1978-01-07 |
ES460444A1 (es) | 1978-05-01 |
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