CA1084582A - Adjustable speed a-c motor drive with smooth transition between operational modes and with reduced harmonic distortion - Google Patents
Adjustable speed a-c motor drive with smooth transition between operational modes and with reduced harmonic distortionInfo
- Publication number
- CA1084582A CA1084582A CA272,283A CA272283A CA1084582A CA 1084582 A CA1084582 A CA 1084582A CA 272283 A CA272283 A CA 272283A CA 1084582 A CA1084582 A CA 1084582A
- Authority
- CA
- Canada
- Prior art keywords
- predetermined
- signal
- motor
- amplitude
- command signal
- 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
- 230000007704 transition Effects 0.000 title abstract description 46
- 230000002829 reductive effect Effects 0.000 title description 8
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- 230000000737 periodic effect Effects 0.000 claims description 18
- 230000004044 response Effects 0.000 claims description 15
- 230000003068 static effect Effects 0.000 claims description 8
- 230000007423 decrease Effects 0.000 claims description 7
- 230000003247 decreasing effect Effects 0.000 claims description 7
- 230000001965 increasing effect Effects 0.000 claims description 7
- 230000003213 activating effect Effects 0.000 claims description 3
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- 238000012545 processing Methods 0.000 description 2
- 230000001052 transient effect Effects 0.000 description 2
- 230000001960 triggered effect Effects 0.000 description 2
- 241000555745 Sciuridae Species 0.000 description 1
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
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- 229910052710 silicon Inorganic materials 0.000 description 1
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- 230000002459 sustained effect Effects 0.000 description 1
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
- 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
- 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
- H02M7/483—Converters with outputs that each can have more than two voltages levels
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Control Of Ac Motors In General (AREA)
- Inverter Devices (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US05/664,951 US4047083A (en) | 1976-03-08 | 1976-03-08 | Adjustable speed A-C motor drive with smooth transition between operational modes and with reduced harmonic distortion |
| US664,951 | 1976-03-08 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1084582A true CA1084582A (en) | 1980-08-26 |
Family
ID=24668116
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA272,283A Expired CA1084582A (en) | 1976-03-08 | 1977-02-18 | Adjustable speed a-c motor drive with smooth transition between operational modes and with reduced harmonic distortion |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US4047083A (OSRAM) |
| JP (1) | JPS6024675B2 (OSRAM) |
| CA (1) | CA1084582A (OSRAM) |
| DE (1) | DE2709749A1 (OSRAM) |
| FR (1) | FR2344172A1 (OSRAM) |
| SE (1) | SE433997B (OSRAM) |
Families Citing this family (105)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2752600C2 (de) * | 1977-11-25 | 1982-08-19 | Brown, Boveri & Cie Ag, 6800 Mannheim | Verfahren und Schaltungsanordnung zur Steuerung einer umrichtergespeisten Asynchronmaschine |
| JPS5923197B2 (ja) * | 1978-01-18 | 1984-05-31 | 東芝機械株式会社 | 誘導電動機のトルク制御装置 |
| US4167775A (en) * | 1978-03-27 | 1979-09-11 | Exxon Research & Engineering Co. | Controller for synthesizer circuit for generating three-tier waveforms |
| US4215305A (en) * | 1978-10-02 | 1980-07-29 | General Electric Company | Excitation commanding for current fed motor drives |
| US4259630A (en) * | 1978-11-06 | 1981-03-31 | The United States Of America As Represented By The Secretary Of The Navy | AC Motor controller |
| CH653824A5 (en) * | 1979-01-03 | 1986-01-15 | Bbc Brown Boveri & Cie | Method and control device for controlling a self-commutated invertor having a variable fundamental frequency |
| US4280085A (en) * | 1979-04-24 | 1981-07-21 | General Electric Company | Apparatus and method for providing a signal proportional to flux in an AC motor for control of motor drive current |
| JPS5917635B2 (ja) * | 1979-07-13 | 1984-04-23 | 東洋電機製造株式会社 | Ｐｗｍインバ−タ装置 |
| SE7907945L (sv) * | 1979-09-25 | 1981-03-26 | Bo John Stefan Nystrom | Anordning for generering av flerfasstrom |
| US4258302A (en) * | 1979-09-28 | 1981-03-24 | General Electric Company | Apparatus for maintaining synchronism of an inverter-synchronous machine drive system at light or zero machine loads |
| JPS56117577A (en) * | 1980-02-19 | 1981-09-16 | Toshiba Corp | Controller for inverter |
| US4471285A (en) * | 1980-03-19 | 1984-09-11 | Fujitsu Fanuc Limited | System for variable speed operation of induction motors |
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| JPS57129198A (en) * | 1981-01-30 | 1982-08-11 | Hitachi Ltd | Controlling method and device for ac motor |
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| US3662247A (en) * | 1970-10-01 | 1972-05-09 | Reliance Electric Co | Pulse width modulated inverter adaptive logic |
| DE2112186C3 (de) * | 1971-03-13 | 1975-05-07 | Siemens Ag, 1000 Berlin Und 8000 Muenchen | Verfahren zur Bildung der Steuersignale eines Pulswechselrichters für die Drehzahlsteuerung von Drehfeldmaschinen sowie eine Anordnung zur Durchführung des Verfahrens |
| DE2339034C2 (de) * | 1973-08-01 | 1983-01-05 | Siemens Ag, 1000 Berlin Und 8000 Muenchen | Selbstgeführter Wechselrichter |
| JPS5341331B2 (OSRAM) * | 1973-12-18 | 1978-11-02 | ||
| US3870945A (en) * | 1974-02-28 | 1975-03-11 | Gen Electric | Inverter system having smooth switching between operational modes |
| GB1504313A (en) * | 1974-03-11 | 1978-03-15 | Nippon Telegraph & Telephone | Inverter controlling device |
| DE2423601C3 (de) * | 1974-05-15 | 1979-06-28 | Siemens Ag, 1000 Berlin Und 8000 Muenchen | Verfahren und Schaltungsanordnung zur Ansteuerung der steuerbaren Hauptventile zweier Wechselrichter |
-
1976
- 1976-03-08 US US05/664,951 patent/US4047083A/en not_active Expired - Lifetime
-
1977
- 1977-02-18 CA CA272,283A patent/CA1084582A/en not_active Expired
- 1977-03-02 SE SE7702335A patent/SE433997B/xx unknown
- 1977-03-03 FR FR7706169A patent/FR2344172A1/fr active Granted
- 1977-03-05 DE DE19772709749 patent/DE2709749A1/de not_active Withdrawn
- 1977-03-08 JP JP52024497A patent/JPS6024675B2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR2344172A1 (fr) | 1977-10-07 |
| JPS6024675B2 (ja) | 1985-06-14 |
| DE2709749A1 (de) | 1977-09-22 |
| SE433997B (sv) | 1984-06-25 |
| JPS52121728A (en) | 1977-10-13 |
| US4047083A (en) | 1977-09-06 |
| SE7702335L (sv) | 1977-09-09 |
| FR2344172B1 (OSRAM) | 1981-12-11 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MKEX | Expiry | ||
| MKEX | Expiry |
Effective date: 19970826 |