JPS4949451B1 - - Google Patents
Info
- Publication number
- JPS4949451B1 JPS4949451B1 JP46070493A JP7049371A JPS4949451B1 JP S4949451 B1 JPS4949451 B1 JP S4949451B1 JP 46070493 A JP46070493 A JP 46070493A JP 7049371 A JP7049371 A JP 7049371A JP S4949451 B1 JPS4949451 B1 JP S4949451B1
- Authority
- JP
- Japan
- 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.)
- Pending
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
- H02M5/02—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 without intermediate conversion into DC
- H02M5/04—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 without intermediate conversion into DC by static converters
- H02M5/22—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 without intermediate conversion into DC by static converters using discharge tubes with control electrode or semiconductor devices with control electrode
- H02M5/25—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 without intermediate conversion into DC by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a thyratron or thyristor type requiring extinguishing means
- H02M5/27—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 without intermediate conversion into DC by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a thyratron or thyristor type requiring extinguishing means for conversion of frequency
- H02M5/271—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 without intermediate conversion into DC by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a thyratron or thyristor type requiring extinguishing means for conversion of frequency from a three phase input voltage
-
- 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
- H02M1/00—Details of apparatus for conversion
- H02M1/12—Arrangements for reducing harmonics from AC input or output
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
- Casting Or Compression Moulding Of Plastics Or The Like (AREA)
- Ac-Ac Conversion (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US72392A US3641417A (en) | 1970-09-15 | 1970-09-15 | Input filter circuit for cycloconverter apparatus |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS476428A JPS476428A (enExample) | 1972-04-10 |
| JPS4949451B1 true JPS4949451B1 (enExample) | 1974-12-27 |
Family
ID=22107261
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP46070493A Pending JPS4949451B1 (enExample) | 1970-09-15 | 1971-09-13 |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US3641417A (enExample) |
| JP (1) | JPS4949451B1 (enExample) |
| CA (1) | CA921116A (enExample) |
| DE (1) | DE2145657A1 (enExample) |
| FR (1) | FR2106542B1 (enExample) |
Families Citing this family (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5517771B2 (enExample) * | 1972-07-26 | 1980-05-14 | ||
| US4439823A (en) * | 1982-01-11 | 1984-03-27 | Westinghouse Electric Corp. | Converting multiphase power from one frequency to another using current waveforms |
| US4564895A (en) * | 1983-09-12 | 1986-01-14 | Sundstrand Corporation | Neutrally clamped PWM half-bridge inverter |
| US4642747A (en) * | 1985-05-22 | 1987-02-10 | Westinghouse Electric Corp. | Fault-protection apparatus for static AC-to-AC converters and unrestricted frequency changer (UFC) system including such fault-protection apparatus |
| US4670828A (en) * | 1986-02-25 | 1987-06-02 | Sundstrand Corporation | Bi-directional switch for neutral point clamped PWM inverter |
| US4953071A (en) * | 1989-11-03 | 1990-08-28 | International Fuel Cells, Inc. | Auxiliary excitation circuit for phased transformers |
| US6198238B1 (en) * | 1995-12-07 | 2001-03-06 | Borealis Technical Limited | High phase order cycloconverting generator and drive means |
| US6570361B1 (en) | 1999-02-22 | 2003-05-27 | Borealis Technical Limited | Rotating induction apparatus |
| US6864661B2 (en) * | 1999-02-22 | 2005-03-08 | Borealis Technical Limited | Rotating induction apparatus |
| US6922037B2 (en) * | 1999-02-22 | 2005-07-26 | Borealis Technical Limited | Rotating induction apparatus |
| US7309973B2 (en) * | 2006-04-24 | 2007-12-18 | Power Conservation Ltd | Mitigation of harmonic currents and conservation of power in non-linear load systems |
| WO2013126660A2 (en) | 2012-02-24 | 2013-08-29 | Board Of Trustees Of Michigan State University | Transformer-less unified power flow controller |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2236254A (en) * | 1938-10-11 | 1941-03-25 | Gen Electric | Electric valve converting apparatus |
| US3295045A (en) * | 1963-06-21 | 1966-12-27 | Ohio Crankshaft Co | Phase and frequency conversion system |
| US3431483A (en) * | 1966-12-30 | 1969-03-04 | Gen Electric | Cycloconverter power circuits |
| US3555291A (en) * | 1968-05-16 | 1971-01-12 | Gen Electric | Power system filter |
-
1970
- 1970-09-15 US US72392A patent/US3641417A/en not_active Expired - Lifetime
-
1971
- 1971-07-15 CA CA118273A patent/CA921116A/en not_active Expired
- 1971-09-13 DE DE19712145657 patent/DE2145657A1/de active Pending
- 1971-09-13 JP JP46070493A patent/JPS4949451B1/ja active Pending
- 1971-09-15 FR FR7133260A patent/FR2106542B1/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS476428A (enExample) | 1972-04-10 |
| FR2106542A1 (enExample) | 1972-05-05 |
| DE2145657A1 (de) | 1972-03-16 |
| CA921116A (en) | 1973-02-13 |
| US3641417A (en) | 1972-02-08 |
| FR2106542B1 (enExample) | 1976-02-13 |