JPS5626239B2 - - Google Patents
Info
- Publication number
- JPS5626239B2 JPS5626239B2 JP11902875A JP11902875A JPS5626239B2 JP S5626239 B2 JPS5626239 B2 JP S5626239B2 JP 11902875 A JP11902875 A JP 11902875A JP 11902875 A JP11902875 A JP 11902875A JP S5626239 B2 JPS5626239 B2 JP S5626239B2
- 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
- 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
-
- 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
- H02P23/08—Controlling based on slip frequency, e.g. adding slip frequency and speed proportional frequency
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Control Of Ac Motors In General (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US05/511,886 US3989991A (en) | 1974-10-03 | 1974-10-03 | Method and circuit for the derivation of an analog slip frequency signal of an induction motor in a tachometerless motor drive |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5162313A JPS5162313A (ja) | 1976-05-29 |
JPS5626239B2 true JPS5626239B2 (ja) | 1981-06-17 |
Family
ID=24036863
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP11902875A Expired JPS5626239B2 (ja) | 1974-10-03 | 1975-10-03 |
Country Status (9)
Country | Link |
---|---|
US (1) | US3989991A (ja) |
JP (1) | JPS5626239B2 (ja) |
AU (1) | AU503362B2 (ja) |
BE (1) | BE834105A (ja) |
BR (1) | BR7506356A (ja) |
CA (1) | CA1096043A (ja) |
ES (1) | ES441467A1 (ja) |
FR (1) | FR2287130A1 (ja) |
IT (1) | IT1050986B (ja) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS58130723U (ja) * | 1982-02-26 | 1983-09-03 | 名古屋化学工業株式会社 | シ−ト状物の構造 |
JPS58133424U (ja) * | 1982-03-04 | 1983-09-08 | 名古屋化学工業株式会社 | 短繊維を施こした合成樹脂成形品 |
Families Citing this family (18)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4088934A (en) * | 1976-10-04 | 1978-05-09 | General Electric Company | Means for stabilizing an a-c electric motor drive system |
JPS5388113A (en) * | 1977-01-11 | 1978-08-03 | Toshiba Corp | Slip frequency processing device of induction motors |
FR2514146A1 (fr) * | 1981-10-06 | 1983-04-08 | Telemecanique Electrique | Procede et dispositif de mesure du glissement d'un moteur electrique |
DE3212439C2 (de) * | 1982-04-02 | 1992-02-20 | Robert Prof.Dr.-Ing. 6100 Darmstadt Jötten | Verfahren zum Betrieb einer durch schnelle elektrische Stellglieder gespeisten Asynchronmaschine |
FR2535077A1 (fr) * | 1982-10-26 | 1984-04-27 | K T | Dispositif de commande d'un moteur a courant alternatif |
EP0175154B1 (en) * | 1984-08-21 | 1991-11-06 | Hitachi, Ltd. | Method of controlling inverter-driven induction motor |
NZ211523A (en) * | 1985-03-21 | 1990-03-27 | Univ Auckland | Motor speed control by frequency dependent signal |
JPS6141398U (ja) * | 1985-08-01 | 1986-03-15 | 東洋電機製造株式会社 | 瞬時すべり角周波数演算検出回路 |
FI77549C (fi) * | 1986-03-19 | 1989-03-10 | Kone Oy | Foerfarande och anordning foer aostadkommande av spaenningsreferensens amplitud vid en inverter som matar en kortsluten asynkronmotor. |
JPH0817599B2 (ja) * | 1988-04-18 | 1996-02-21 | 日本オーチス・エレベータ株式会社 | エレベータの速度制御装置 |
SG92598A1 (en) * | 1988-04-18 | 2002-11-19 | Otis Elevator Co | Speed control system for elevators |
EP0423384B1 (de) * | 1989-10-16 | 1993-07-28 | Otis Elevator Company | Steuerungsvorrichtung für Aufzuganlage ohne Geschwindigkeitsfühler |
US5661386A (en) * | 1993-11-22 | 1997-08-26 | Lockheed Martin Energy Systems, Inc. | Method for assessing in-service motor efficiency and in-service motor/load efficiency |
EP0690556B1 (de) * | 1994-06-30 | 1997-02-12 | Siemens Aktiengesellschaft | Stillstandserkennung beim Wiederanlassen eines stromrichtergespeisten Drehstrommotors ohne Drehzahlgeber |
FI112414B (fi) * | 2001-03-19 | 2003-11-28 | Abb Industry Oy | Menetelmä vaihtosuuntaajan yhteydessä |
US6856115B2 (en) * | 2002-10-31 | 2005-02-15 | A. O. Smith Corporation | Method of and apparatus for controlling the operation of an induction motor using a model of the induction motor |
US6940240B2 (en) * | 2003-05-29 | 2005-09-06 | The Chamberlain Group, Inc. | Movable barrier operator multi-technique excess force avoidance apparatus and method |
JP5851867B2 (ja) * | 2012-02-03 | 2016-02-03 | ジェーピーイー株式会社 | 誘導電動機の駆動装置 |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3512067A (en) * | 1965-03-25 | 1970-05-12 | Mini Ind Constructillor | Speed regulation of asynchronous three-phase motors |
GB1150606A (en) * | 1965-09-30 | 1969-04-30 | Deputy Minister Of The Ministe | Method and Circuit for Speed Control of Asynchronous Motors Fed by Static Frequency Convertors |
AT289964B (de) * | 1968-04-18 | 1971-05-10 | Siemens Ag | Elektrische Einrichtung zur Istwertbildung in einer vermaschten Regelanordnung für eine insbesondere umrichtergespeiste Drehstromasynchronmaschine |
US3824437A (en) * | 1969-08-14 | 1974-07-16 | Siemens Ag | Method for controlling asynchronous machines |
US3718847A (en) * | 1971-05-28 | 1973-02-27 | Gen Electric | Adjustable speed polyphase a-c motor drive utilizing an in-phase current signal for motor control |
US3775652A (en) * | 1972-01-06 | 1973-11-27 | Scragg & Sons | Speed controls for electric motors |
US3909687A (en) * | 1974-03-05 | 1975-09-30 | Westinghouse Electric Corp | Flux control system for controlled induction motors |
-
1974
- 1974-10-03 US US05/511,886 patent/US3989991A/en not_active Expired - Lifetime
-
1975
- 1975-09-19 AU AU84997/75A patent/AU503362B2/en not_active Expired
- 1975-09-25 CA CA236,407A patent/CA1096043A/en not_active Expired
- 1975-10-01 BR BR7506356*A patent/BR7506356A/pt unknown
- 1975-10-01 BE BE1006920A patent/BE834105A/xx not_active IP Right Cessation
- 1975-10-02 ES ES441467A patent/ES441467A1/es not_active Expired
- 1975-10-03 FR FR7530392A patent/FR2287130A1/fr not_active Withdrawn
- 1975-10-03 IT IT41705/75A patent/IT1050986B/it active
- 1975-10-03 JP JP11902875A patent/JPS5626239B2/ja not_active Expired
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS58130723U (ja) * | 1982-02-26 | 1983-09-03 | 名古屋化学工業株式会社 | シ−ト状物の構造 |
JPS58133424U (ja) * | 1982-03-04 | 1983-09-08 | 名古屋化学工業株式会社 | 短繊維を施こした合成樹脂成形品 |
Also Published As
Publication number | Publication date |
---|---|
CA1096043A (en) | 1981-02-17 |
AU503362B2 (en) | 1979-08-30 |
AU8499775A (en) | 1977-03-24 |
IT1050986B (it) | 1981-03-20 |
BE834105A (fr) | 1976-04-01 |
USB511886I5 (ja) | 1976-02-03 |
BR7506356A (pt) | 1976-08-17 |
FR2287130A1 (fr) | 1976-04-30 |
ES441467A1 (es) | 1977-07-01 |
US3989991A (en) | 1976-11-02 |
JPS5162313A (ja) | 1976-05-29 |