GB389722A - Improvements in and relating to the transmission of electrical energy between alternating current networks of different frequencies - Google Patents
Improvements in and relating to the transmission of electrical energy between alternating current networks of different frequenciesInfo
- Publication number
- GB389722A GB389722A GB22421/32A GB2242132A GB389722A GB 389722 A GB389722 A GB 389722A GB 22421/32 A GB22421/32 A GB 22421/32A GB 2242132 A GB2242132 A GB 2242132A GB 389722 A GB389722 A GB 389722A
- Authority
- GB
- United Kingdom
- Prior art keywords
- rectifiers
- networks
- rectifier
- supplied
- network
- 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
- H02M5/40—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 with intermediate conversion into dc
- H02M5/42—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 with intermediate conversion into dc by static converters
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Supply And Distribution Of Alternating Current (AREA)
Abstract
389,722. Frequency changing. AKT.- GES. BROWN, BOVERI, ET CIE, Baden, Switzerland. Aug. 10, 1932, No. 22421. Convention date, Aug. 10, 1931. [Class 38 (ii).] Three phase networks N1, N2, Fig. 1, are interconnected by means of a frequency changer which consists of two groups of rectifiers G1<SP>1>, G 1<SP>11> and G2<SP>1>, G2<SP>11>, connected by transformers T1, T2 to the networks, the secondary star points and cathodes in each group being cross-connected. Rectifiers G1<SP>1>, G2<SP>11> have control grids which are supplied with potentials in phase opposition to the potentials produced at the corresponding anodes by the associated network. When power is being transmitted from N1 to N2, rectifiers G1<SP>1> and G2<SP>1> do not function but rectified A.C. is supplied by C1<SP>11> to G2<SP>11> which acts as an inverter and feeds three-phase A.C: to the' network N2. Similarly when power flows from N2 to N1 the current flow is through rectifiers G2<SP>1> and G1<SP>1>. In a modification, rectifiers G1<SP>1>, G2<SP>11> -are replaced by a single rectifier having twelve anodes and control grids and rectifiers G1<SP>11>, G2<SP>1> by a single rectifier-having twelve anodes. The Specification as open to inspection under Sect. 91 comprises also the modification, shown in Fig. 3 (Cancelled), in which, associated with the networks N1, N2 are rectifiers G1, G2 having control grids, the energization of which are controlled' by a synchroscope S connected between the networks. When the condition of the networks is such that power should flow from N1 to N2 the synchroscope S opens the switch A and closes B ; rectifier A.C. is supplied by G1 to G2 which acts as an inverter and feeds A.C. to the network N2. Similarly when power flows from N 2 to N1 rectifier G2 is decontrolled and G1 is controlled. This subject-matter does not appear in the Specification as accepted.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE389722X | 1931-08-10 |
Publications (1)
Publication Number | Publication Date |
---|---|
GB389722A true GB389722A (en) | 1933-03-23 |
Family
ID=6371464
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB22421/32A Expired GB389722A (en) | 1931-08-10 | 1932-08-10 | Improvements in and relating to the transmission of electrical energy between alternating current networks of different frequencies |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB389722A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3028490A (en) * | 1957-10-24 | 1962-04-03 | Sarl La Detection Electronique | Apparatus responsive to the composition of a gaseous medium |
-
1932
- 1932-08-10 GB GB22421/32A patent/GB389722A/en not_active Expired
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3028490A (en) * | 1957-10-24 | 1962-04-03 | Sarl La Detection Electronique | Apparatus responsive to the composition of a gaseous medium |
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