SE335882B - - Google Patents
Info
- Publication number
- SE335882B SE335882B SE945166A SE945166A SE335882B SE 335882 B SE335882 B SE 335882B SE 945166 A SE945166 A SE 945166A SE 945166 A SE945166 A SE 945166A SE 335882 B SE335882 B SE 335882B
- Authority
- SE
- Sweden
- Prior art keywords
- motor
- circuit
- control
- inverter
- output
- Prior art date
Links
Classifications
-
- 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
- H02P27/00—Arrangements or methods for the control of AC motors characterised by the kind of supply voltage
- H02P27/04—Arrangements or methods for the control of AC motors characterised by the kind of supply voltage using variable-frequency supply voltage, e.g. inverter or converter supply voltage
- H02P27/06—Arrangements or methods for the control of AC motors characterised by the kind of supply voltage using variable-frequency supply voltage, e.g. inverter or converter supply voltage using dc to ac converters or inverters
- H02P27/08—Arrangements or methods for the control of AC motors characterised by the kind of supply voltage using variable-frequency supply voltage, e.g. inverter or converter supply voltage using dc to ac converters or inverters with pulse width modulation
-
- 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
-
- 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
- H02M7/525—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 with automatic control of output waveform or frequency
- H02M7/527—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 with automatic control of output waveform or frequency by pulse width modulation
-
- 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
- H02P27/00—Arrangements or methods for the control of AC motors characterised by the kind of supply voltage
- H02P27/04—Arrangements or methods for the control of AC motors characterised by the kind of supply voltage using variable-frequency supply voltage, e.g. inverter or converter supply voltage
- H02P27/047—V/F converter, wherein the voltage is controlled proportionally with the frequency
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Control Of Ac Motors In General (AREA)
- Inverter Devices (AREA)
- Control Of Multiple Motors (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB2932865A GB1120843A (en) | 1965-07-09 | 1965-07-09 | Invertor control circuits |
Publications (1)
Publication Number | Publication Date |
---|---|
SE335882B true SE335882B (sv) | 1971-06-14 |
Family
ID=10289819
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SE945166A SE335882B (sv) | 1965-07-09 | 1966-07-11 |
Country Status (5)
Country | Link |
---|---|
US (1) | US3445742A (sv) |
CH (1) | CH470818A (sv) |
DE (1) | DE1538455A1 (sv) |
GB (1) | GB1120843A (sv) |
SE (1) | SE335882B (sv) |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1178935A (en) * | 1967-09-13 | 1970-01-21 | Philips Electronic Associated | Low-Frequency Generator |
US3569805A (en) * | 1968-08-28 | 1971-03-09 | Reliance Electric Co | Synchronizing circuit |
SE333409B (sv) * | 1968-10-09 | 1971-03-15 | Asea Ab | |
US3585485A (en) * | 1969-06-20 | 1971-06-15 | Westinghouse Electric Corp | Novel integral firing angle control for converters |
US3652912A (en) * | 1969-12-22 | 1972-03-28 | Combustion Eng | Motor controller |
US3739253A (en) * | 1971-10-12 | 1973-06-12 | Reliance Electric Co | Displaced waveform for a pulse width modulated power source |
CA1114536A (en) * | 1978-12-11 | 1981-12-15 | William B. Kiss | Ringing generator |
US4320331A (en) * | 1979-10-01 | 1982-03-16 | General Electric Company | Transistorized current controlled pulse width modulated inverter machine drive system |
US4626979A (en) * | 1985-02-22 | 1986-12-02 | Diego Power | Anticipatory feedback technique for pulse width modulated power supply |
US4749933A (en) * | 1986-02-26 | 1988-06-07 | Ben Aaron Max | Polyphase induction motor system and operating method |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3131340A (en) * | 1962-02-19 | 1964-04-28 | Collins Radio Co | Proportional pulse servo system |
US3250978A (en) * | 1962-07-09 | 1966-05-10 | English Electric Co Ltd | Controlled switching circuit for d. c. supply for inductive or regenerative loads |
CH394364A (fr) * | 1963-01-31 | 1965-06-30 | Golay Buchel & Cie Sa | Circuit de commande du courant d'un moteur à commutation électronique |
US3260912A (en) * | 1963-06-19 | 1966-07-12 | Gen Motors Corp | Power amplifier employing pulse duration modulation |
US3308307A (en) * | 1963-08-14 | 1967-03-07 | Frederick G Moritz | Servo amplifier utilizing composite waveform of sawtooth with high frequency signal imposed thereon |
US3354371A (en) * | 1964-02-12 | 1967-11-21 | Ampex | Pulse width modulator |
US3376490A (en) * | 1965-08-12 | 1968-04-02 | Electro Optical System Inc | Synthesized wave static inverters |
-
1965
- 1965-07-09 GB GB2932865A patent/GB1120843A/en not_active Expired
-
1966
- 1966-07-05 DE DE19661538455 patent/DE1538455A1/de active Pending
- 1966-07-08 CH CH991866A patent/CH470818A/fr not_active IP Right Cessation
- 1966-07-11 US US3445742D patent/US3445742A/en not_active Expired - Lifetime
- 1966-07-11 SE SE945166A patent/SE335882B/xx unknown
Also Published As
Publication number | Publication date |
---|---|
DE1538455A1 (de) | 1970-01-22 |
US3445742A (en) | 1969-05-20 |
CH470818A (fr) | 1969-03-31 |
GB1120843A (en) | 1968-07-24 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
US2525451A (en) | Regulating system | |
US3305767A (en) | Voltage regulator | |
SE335882B (sv) | ||
US2912634A (en) | Electrical control circuits | |
GB1279277A (en) | A frequency changer | |
GB1021713A (en) | Electrical circuit | |
US3921081A (en) | Pulse generator for producing pulses of definable width | |
US3473043A (en) | Gain adjustment network for multiplying and dividing input signals | |
US3242416A (en) | Synchronous impedance-type converter | |
US3845398A (en) | Adjustable time constant operating circuit | |
GB1213091A (en) | Load responsive power control circuits | |
US3210641A (en) | Power control circuit employing semiconductor switching means responsive to the saturation of a magnetic amplifier | |
US3030587A (en) | Electrical control circuit | |
US3047729A (en) | Voltage control system | |
US3505614A (en) | Voltage to frequency converter | |
US3192482A (en) | Circuit for generating an inverse signal utilizing a multiplier circuit | |
GB1092760A (en) | Variable voltage-controlled frequency generator | |
US3693112A (en) | Signal controlled wide range relaxation oscillator apparatus | |
US3193696A (en) | Voltage regulation employing a time base modulated amplifier | |
GB1143357A (en) | Improvements relating to variable gain networks | |
US2750454A (en) | Electric amplifier | |
GB1011619A (en) | Improvements in or relating to frequency translating circuit arrangements | |
US2848563A (en) | Dielectric amplifier | |
US3456204A (en) | Transistor amplification circuitry | |
US3143659A (en) | Circuits for producing ramp waveforms |