GB412505A - Improvements in or relating to means for the direct conversion of three-phase current of industrial frequency into single-phase current of a higher frequency - Google Patents
Improvements in or relating to means for the direct conversion of three-phase current of industrial frequency into single-phase current of a higher frequencyInfo
- Publication number
- GB412505A GB412505A GB36580/33A GB3658033A GB412505A GB 412505 A GB412505 A GB 412505A GB 36580/33 A GB36580/33 A GB 36580/33A GB 3658033 A GB3658033 A GB 3658033A GB 412505 A GB412505 A GB 412505A
- Authority
- GB
- United Kingdom
- Prior art keywords
- phase current
- phase
- windings
- condensers
- transformer
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M5/00—Conversion of ac power input into ac power output, e.g. for change of voltage, for change of frequency, for change of number of phases
- H02M5/005—Conversion of ac power input into ac power output, e.g. for change of voltage, for change of frequency, for change of number of phases using discharge tubes
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Ac-Ac Conversion (AREA)
Abstract
412,505. Converting. AKT.-GES. BROWN, BOVERI, ET CIE, Baden, Switzerland. Dec. 29, 1933, No. 36580. Convention date, Dec. 30, 1932. [Class 38 (ii).] Relates to an arrangement employing a grid controlled discharge device V for converting 3-phase current of industrial frequency into single phase current of a higher frequency and consists in connecting the anodes of the discharge device through the primary windings 4, 5, 6 of the single phase transformer T2 to the secondary windings of the three phase transformer T1, commutating condensers 8, 9, 10 being connected across the windings 4, 5, 6. The grids are connected into two groups and are supplied at the higher frequency from a generator G. In a modification, the transformer T1 has a 6-phase secondary with a 3-phase interphase choke and condensers are connected between the ends of the phase windings and the neutral to byepass higher harmonic currents. Since the arrangement is to supply an induction furnace, the transformer T2 may be dispensed with and the induction furnace windings supplied direct. The condensers used for power factor correction can be used as commutation condensers.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE412505X | 1932-12-30 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB412505A true GB412505A (en) | 1934-06-28 |
Family
ID=6437220
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB36580/33A Expired GB412505A (en) | 1932-12-30 | 1933-12-29 | Improvements in or relating to means for the direct conversion of three-phase current of industrial frequency into single-phase current of a higher frequency |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB412505A (en) |
-
1933
- 1933-12-29 GB GB36580/33A patent/GB412505A/en not_active Expired
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