JPS563746B2 - - Google Patents
Info
- Publication number
- JPS563746B2 JPS563746B2 JP12814972A JP12814972A JPS563746B2 JP S563746 B2 JPS563746 B2 JP S563746B2 JP 12814972 A JP12814972 A JP 12814972A JP 12814972 A JP12814972 A JP 12814972A JP S563746 B2 JPS563746 B2 JP S563746B2
- 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.)
- 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
- H02M7/00—Conversion of ac power input into dc power output; Conversion of dc power input into ac power output
- H02M7/42—Conversion of dc power input into ac power output without possibility of reversal
- H02M7/44—Conversion of dc power input into ac power output without possibility of reversal by static converters
- H02M7/48—Conversion of dc power input into ac power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode
- H02M7/505—Conversion of dc power input into ac power output without possibility of reversal 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
- H02M7/515—Conversion of dc power input into ac power output without possibility of reversal 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 using semiconductor devices only
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- 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
- H02P23/28—Controlling the motor by varying the switching frequency of switches connected to a DC supply and the motor phases
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Inverter Devices (AREA)
- Motor And Converter Starters (AREA)
- Control Of Ac Motors In General (AREA)
- Electric Propulsion And Braking For Vehicles (AREA)
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP12814972A JPS563746B2 (ja) | 1972-12-22 | 1972-12-22 | |
US425141A US3895274A (en) | 1972-12-22 | 1973-12-17 | Inverter circuit for energizing star connected polyphase coils for inducing a travelling magnetic field |
GB5848773A GB1442608A (en) | 1972-12-22 | 1973-12-18 | Travelling magnetic field inducing inverter circuit |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP12814972A JPS563746B2 (ja) | 1972-12-22 | 1972-12-22 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS4983829A JPS4983829A (ja) | 1974-08-12 |
JPS563746B2 true JPS563746B2 (ja) | 1981-01-27 |
Family
ID=14977587
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP12814972A Expired JPS563746B2 (ja) | 1972-12-22 | 1972-12-22 |
Country Status (3)
Country | Link |
---|---|
US (1) | US3895274A (ja) |
JP (1) | JPS563746B2 (ja) |
GB (1) | GB1442608A (ja) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4309750A (en) * | 1978-01-23 | 1982-01-05 | Mitsubishi Denki Kabushiki Kaisha | Inverter device |
EP2148104A1 (de) * | 2008-07-21 | 2010-01-27 | Siemens Aktiengesellschaft | Magnetisches Radiallager sowie magnetisches Lagersystem mit Stromversorgung |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB998912A (en) * | 1961-09-21 | 1965-07-21 | Brush Electrical Eng | Speed control of a polyphase electric motor |
US3548275A (en) * | 1967-10-03 | 1970-12-15 | Tokyo Shibaura Electric Co | Control devices for electric motors |
US3469169A (en) * | 1967-11-29 | 1969-09-23 | Westinghouse Electric Corp | Inverter apparatus |
BE791335A (fr) * | 1971-11-16 | 1973-03-01 | Jeumont Schneider | Dispositif commutateur-hacheur pour l'alimentation d'un moteur a courant alternatif |
US3707668A (en) * | 1971-12-16 | 1972-12-26 | Precision Products Co | Compound inverter of variable output voltage and frequency |
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1972
- 1972-12-22 JP JP12814972A patent/JPS563746B2/ja not_active Expired
-
1973
- 1973-12-17 US US425141A patent/US3895274A/en not_active Expired - Lifetime
- 1973-12-18 GB GB5848773A patent/GB1442608A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
GB1442608A (en) | 1976-07-14 |
US3895274A (en) | 1975-07-15 |
JPS4983829A (ja) | 1974-08-12 |