FI885267A - Foerfarande och anordning foer maetning av stroemmar vid en frekvensomformare. - Google Patents
Foerfarande och anordning foer maetning av stroemmar vid en frekvensomformare. Download PDFInfo
- Publication number
- FI885267A FI885267A FI885267A FI885267A FI885267A FI 885267 A FI885267 A FI 885267A FI 885267 A FI885267 A FI 885267A FI 885267 A FI885267 A FI 885267A FI 885267 A FI885267 A FI 885267A
- Authority
- FI
- Finland
- Prior art keywords
- frequency
- streets
- maintenance
- requirements
- frequency requirements
- Prior art date
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
- H02M7/53—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 triode or transistor type requiring continuous application of a control signal
- H02M7/537—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 triode or transistor type requiring continuous application of a control signal using semiconductor devices only, e.g. single switched pulse inverters
- H02M7/5387—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 triode or transistor type requiring continuous application of a control signal using semiconductor devices only, e.g. single switched pulse inverters in a bridge configuration
- H02M7/53871—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 triode or transistor type requiring continuous application of a control signal using semiconductor devices only, e.g. single switched pulse inverters in a bridge configuration with automatic control of output voltage or current
- H02M7/53875—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 triode or transistor type requiring continuous application of a control signal using semiconductor devices only, e.g. single switched pulse inverters in a bridge configuration with automatic control of output voltage or current with analogue control of three-phase output
-
- 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
- H02M1/0003—Details of control, feedback or regulation circuits
- H02M1/0009—Devices or circuits for detecting current in a converter
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Measurement Of Current Or Voltage (AREA)
- Inverter Devices (AREA)
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FI885267A FI85062C (fi) | 1988-11-14 | 1988-11-14 | Foerfarande och anordning foer maetning av stroemmar vid en frekvensomformare. |
EP89119736A EP0370254A1 (en) | 1988-11-14 | 1989-10-24 | Procedure and apparatus for the measurement of the currents in a frequency converter |
US07/431,636 US5163172A (en) | 1988-11-14 | 1989-11-06 | Procedure and apparatus for the measurement of the currents in a frequency converter |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FI885267 | 1988-11-14 | ||
FI885267A FI85062C (fi) | 1988-11-14 | 1988-11-14 | Foerfarande och anordning foer maetning av stroemmar vid en frekvensomformare. |
Publications (4)
Publication Number | Publication Date |
---|---|
FI885267A0 FI885267A0 (fi) | 1988-11-14 |
FI885267A true FI885267A (fi) | 1990-05-15 |
FI85062B FI85062B (fi) | 1991-11-15 |
FI85062C FI85062C (fi) | 1992-02-25 |
Family
ID=8527386
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FI885267A FI85062C (fi) | 1988-11-14 | 1988-11-14 | Foerfarande och anordning foer maetning av stroemmar vid en frekvensomformare. |
Country Status (3)
Country | Link |
---|---|
US (1) | US5163172A (fi) |
EP (1) | EP0370254A1 (fi) |
FI (1) | FI85062C (fi) |
Families Citing this family (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE4228973A1 (de) * | 1992-08-31 | 1994-03-10 | Grundfos A S Bjerringbro | Verfahren und Einrichtung zur Messung elektrischer Größen, insbesondere des Stroms, an einem frequenzumformergesteuerten Elektromotor |
US5309349A (en) * | 1992-09-22 | 1994-05-03 | Industrial Technology Research Institute | Current detection method for DC to three-phase converters using a single DC sensor |
DE4339553C1 (de) * | 1993-11-19 | 1995-06-22 | Sgs Thomson Microelectronics | Treiberschaltung für einen Schrittmotor |
DK172570B1 (da) * | 1995-01-23 | 1999-01-25 | Danfoss As | Vekselretter og fremgangsmåde til måling af vekselretterens fasestrømme |
FR2752111B1 (fr) * | 1996-07-30 | 1998-10-30 | Texas Instruments France | Procede et dispositif de commande d'onduleurs |
US6108220A (en) * | 1998-02-20 | 2000-08-22 | Union Switch & Signal, Inc. | Solid state fail-safe control of an AC load utilizing synchronous switching |
DE10063054A1 (de) * | 2000-12-18 | 2002-06-20 | Wilo Gmbh | Sensorloses Ansteuerverfahren |
CN100334802C (zh) * | 2001-11-23 | 2007-08-29 | 丹福斯驱动器公司 | 用于不同电源电压的频率转换器 |
CN100416282C (zh) * | 2004-09-17 | 2008-09-03 | 上海神源电气有限公司 | 变频调速器虚拟检测装置 |
DE102007016330A1 (de) * | 2007-04-04 | 2008-10-16 | Siemens Ag | Verfahren zur Ermittlung eines Zwischenkreisstromes, einer Zwischenkreisleistung und eines Phasenstromes sowie eine dazu korrespondierende Stromversorgungseinrichtung |
DE102007061729A1 (de) * | 2007-12-20 | 2009-06-25 | Robert Bosch Gmbh | Verfahren zur Erkennung eines elektrischen Fehlers in einem elektrischen Netzwerk eines Kraftfahrzeugs |
EP2166635B1 (en) * | 2008-09-23 | 2012-02-29 | ABB Oy | Current measurement in an inverter unit and a frequency converter |
EP3300243A1 (en) * | 2016-09-22 | 2018-03-28 | Celeroton AG | Converter and method for operating a converter |
Family Cites Families (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3732405A (en) * | 1971-08-11 | 1973-05-08 | Nasa | Apparatus for statistical time-series analysis of electrical signals |
US4112359A (en) * | 1977-04-15 | 1978-09-05 | General Electric Company | Frequency transducer circuit with output calibration |
JPS5846957B2 (ja) * | 1979-02-21 | 1983-10-19 | 株式会社東芝 | 転流角制御装置 |
US4410935A (en) * | 1981-03-23 | 1983-10-18 | General Signal Corporation | Current overload protection for inverter of uninterruptible power supply system |
JPS57181236A (en) * | 1981-04-30 | 1982-11-08 | Fujitsu Ltd | Waveform amplification detecting system |
US4422040A (en) * | 1981-11-05 | 1983-12-20 | International Business Machines Corporation | Method of testing stepping motors |
CH664654A5 (fr) * | 1981-12-18 | 1988-03-15 | Cerac Inst Sa | Procede et dispositif pour la commande d'un moteur a courant alternatif sans balai. |
JPS58172927A (ja) * | 1982-04-02 | 1983-10-11 | 株式会社日立製作所 | 過負荷保護装置 |
DE3246706A1 (de) * | 1982-12-17 | 1984-06-20 | Danfoss As | Stromversorgungsvorrichtung fuer einen wechselstromverbraucher |
US4685042A (en) * | 1984-07-03 | 1987-08-04 | Unitron, Inc. | Modulator control for inverter |
US4697131A (en) * | 1985-12-11 | 1987-09-29 | Westinghouse Electric Corp. | Voltage source inverter and variable frequency, constant voltage AC motor drive embodying the same |
JPS62221897A (ja) * | 1986-03-24 | 1987-09-29 | Mitsubishi Electric Corp | 電動機の制御装置 |
FR2599196B1 (fr) * | 1986-05-21 | 1993-03-12 | Telemecanique Electrique | Convertisseur de frequence pour l'alimentation stabilisee de moteurs asynchrones |
JPS631371A (ja) * | 1986-06-18 | 1988-01-06 | Fuji Electric Co Ltd | 電流形インバ−タの出力電流検出装置 |
US4713744A (en) * | 1986-10-28 | 1987-12-15 | Torcon Products, Inc. | Fractional frequency converter using zero switching of input frequency halfwaves |
-
1988
- 1988-11-14 FI FI885267A patent/FI85062C/fi not_active IP Right Cessation
-
1989
- 1989-10-24 EP EP89119736A patent/EP0370254A1/en not_active Withdrawn
- 1989-11-06 US US07/431,636 patent/US5163172A/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
EP0370254A1 (en) | 1990-05-30 |
US5163172A (en) | 1992-11-10 |
FI885267A0 (fi) | 1988-11-14 |
FI85062C (fi) | 1992-02-25 |
FI85062B (fi) | 1991-11-15 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
MM | Patent lapsed | ||
MM | Patent lapsed |
Owner name: KONE OY |