DK472777A - Vekselretterkredsloeb - Google Patents

Vekselretterkredsloeb

Info

Publication number
DK472777A
DK472777A DK472777A DK472777A DK472777A DK 472777 A DK472777 A DK 472777A DK 472777 A DK472777 A DK 472777A DK 472777 A DK472777 A DK 472777A DK 472777 A DK472777 A DK 472777A
Authority
DK
Denmark
Prior art keywords
exchange circuit
exchange
circuit
Prior art date
Application number
DK472777A
Other languages
English (en)
Inventor
H R Eriksen
H M Beierholm
Original Assignee
Danfoss As
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Danfoss As filed Critical Danfoss As
Publication of DK472777A publication Critical patent/DK472777A/da

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
    • H02P2201/00—Indexing scheme relating to controlling arrangements characterised by the converter used
    • H02P2201/03—AC-DC converter stage controlled to provide a defined DC link voltage
    • 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)
DK472777A 1976-10-25 1977-10-25 Vekselretterkredsloeb DK472777A (da)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2648150A DE2648150C2 (de) 1976-10-25 1976-10-25 Anordnung zur Steuerung der Drehzahl eines über einen Zwischenkreisumrichter gespeisten Asynchronmotors

Publications (1)

Publication Number Publication Date
DK472777A true DK472777A (da) 1978-04-26

Family

ID=5991289

Family Applications (1)

Application Number Title Priority Date Filing Date
DK472777A DK472777A (da) 1976-10-25 1977-10-25 Vekselretterkredsloeb

Country Status (7)

Country Link
US (1) US4158163A (da)
JP (1) JPS5820238B2 (da)
CH (1) CH642203A5 (da)
DE (1) DE2648150C2 (da)
DK (1) DK472777A (da)
FR (1) FR2368823A1 (da)
GB (1) GB1594460A (da)

Families Citing this family (34)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL7706751A (nl) * 1977-06-20 1978-12-22 Philips Nv Motorregelschakeling.
US4255695A (en) * 1978-09-25 1981-03-10 General Electric Company Method and apparatus for control of inverter synchronous machine drive system
JPS5594583A (en) * 1979-01-10 1980-07-18 Hitachi Ltd Frequency converter and its controlling method
US4330741A (en) * 1979-06-20 1982-05-18 Hitachi, Ltd. Electric control apparatus of induction motor
JPS56103862U (da) * 1980-01-11 1981-08-14
US4443750A (en) * 1980-04-30 1984-04-17 Zero-Max Industries, Incorporated Energy saving motor speed controller
DE3021119C2 (de) * 1980-06-04 1986-08-14 Danfoss A/S, Nordborg Wechselrichterschaltung zum Betrieb eines in der Drehzahl steuerbaren Asynchronmotors
US4461988A (en) * 1981-04-06 1984-07-24 General Electric Company Apparatus for controlling an electrical vehicle drive system
US4400655A (en) * 1981-05-11 1983-08-23 Imec Corporation Self generative variable speed induction motor drive
DE3141621A1 (de) * 1981-10-20 1983-05-05 Siemens AG, 1000 Berlin und 8000 München Verfahren zum betrieb eines zwischenkreisumrichters und schaltungsanordnung zur durchfuehrung des verfahrens
CH644478A5 (fr) * 1981-12-18 1984-07-31 Cerac Inst Sa Procede et moyens pour alimenter en energie electrique un outil portatif.
EP0082828B1 (en) * 1981-12-18 1987-02-04 Institut Cerac S.A. Washing machine
US4590413A (en) * 1982-01-11 1986-05-20 Eaton Corporation EV drivetrain inverter with V/HZ optimization
JPS58172927A (ja) * 1982-04-02 1983-10-11 株式会社日立製作所 過負荷保護装置
DE3416093A1 (de) * 1984-04-30 1985-10-31 J. Wagner AG, Altstätten Elektronischer hochspannungserzeuger fuer elektrostatische spruehgeraete
US4602201A (en) * 1984-06-05 1986-07-22 Westinghouse Electric Corp. PWM motor drive with torque determination
US5057760A (en) * 1985-01-31 1991-10-15 Aeg Westinghouse Transportation Systems, Inc. Torque determination for control of an induction motor apparatus
US4843533A (en) * 1986-01-15 1989-06-27 Square D Company Transient ride-through AC inverter
JPH0638711B2 (ja) * 1986-03-28 1994-05-18 三菱電機株式会社 インバ−タ用直流電源装置
JP2585220B2 (ja) * 1986-04-30 1997-02-26 株式会社日立製作所 可変速揚水装置
DE3635859A1 (de) * 1986-10-22 1988-05-05 Thomson Brandt Gmbh Verfahren und schaltungsanordnung zur automatischen einstellung der regelverstaerkung in einem regelkreis
US5089760A (en) * 1986-12-10 1992-02-18 Square D Company DC bus voltage regulation by controlling the frequency in a variable frequency inverter
US5140248A (en) * 1987-12-23 1992-08-18 Allen-Bradley Company, Inc. Open loop motor control with both voltage and current regulation
JP2656370B2 (ja) * 1990-05-31 1997-09-24 株式会社東芝 過大電流検出装置
JPH06121588A (ja) * 1992-10-07 1994-04-28 Fanuc Ltd 可変リラクタンス型モータの駆動方式
US6229278B1 (en) * 1999-09-29 2001-05-08 Rockwell Technologies, Llc Voltage and current limiting method and apparatus for a voltage/frequency drive
SE519629C2 (sv) * 2000-11-20 2003-03-18 Abb Ab Förfarande och anordning för styrning av roterande maskin samt regleringsenhet och motorsystem
KR100451369B1 (ko) * 2002-03-14 2004-10-06 엘지산전 주식회사 유도 전동기의 회전 속도 검출 방법
US7915760B2 (en) * 2007-12-12 2011-03-29 Evans Sr Bruce Jonathan Electric power conservation system for storing electric power for use during off-peak hours
US8203235B2 (en) * 2008-04-11 2012-06-19 Liebert Corporation AC and DC uninterruptible online power supplies
MX2010011171A (es) * 2010-10-11 2012-04-13 Mabe Sa De Cv Control de defasamiento.
KR102136804B1 (ko) * 2013-01-23 2020-07-22 엘지전자 주식회사 모터 제어 장치 및 그 제어 방법
US10848092B2 (en) * 2013-09-20 2020-11-24 Schweitzer Engineering Laboratories, Inc. Electric motor protection using stator current and voltage measurements
CN204597784U (zh) * 2015-03-24 2015-08-26 光宝科技股份有限公司 检测电路及具有检测电路的三相交流/交流功率转换设备

Family Cites Families (10)

* Cited by examiner, † Cited by third party
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
CH498517A (de) * 1968-03-16 1970-10-31 Danfoss As Steuerschaltanordnung für einen Wechselstrommotor
US3700986A (en) * 1971-01-18 1972-10-24 Gen Electric Co-ordinated voltage control for induction servomotors
FR2134929A5 (da) * 1971-04-22 1972-12-08 Didier Jean
DE2144422C2 (de) * 1971-09-04 1973-09-20 Siemens Ag Einrichtung zum Steuern oder Regeln einer Asynchronmaschine
US3986088A (en) * 1972-09-01 1976-10-12 Kearney & Trecker Corporation A. C. motor control apparatus and method
US3851234A (en) * 1973-05-09 1974-11-26 Gen Electric Control system for obtaining and using the optimum speed torque characteristic for a squirrel cage induction motor which guarantees a non-saturating magnetizing current
JPS5063429A (da) * 1973-08-31 1975-05-29
CH593585A5 (da) * 1973-12-13 1977-12-15 Danfoss As
US4019105A (en) * 1975-09-26 1977-04-19 General Electric Company Controlled current induction motor drive

Also Published As

Publication number Publication date
US4158163A (en) 1979-06-12
DE2648150A1 (de) 1978-04-27
FR2368823B1 (da) 1982-04-09
FR2368823A1 (fr) 1978-05-19
JPS5820238B2 (ja) 1983-04-22
GB1594460A (en) 1981-07-30
DE2648150C2 (de) 1982-09-30
CH642203A5 (de) 1984-03-30
JPS5354734A (en) 1978-05-18

Similar Documents

Publication Publication Date Title
DK472777A (da) Vekselretterkredsloeb
FI773046A (fi) Elektroniskt maottband
SE7712295L (sv) Integrerad krets
FI772966A (fi) Saett att tillsluta kartongfoerpackningar
DK152630C (da) Fototermisk varmeveksler
FI772786A (fi) Digitallager till dialysmaskin
NL7705835A (nl) Fluidumcircuit.
DK541677A (da) Varmeveksler
SE408357B (sv) Omkopplingskrets
FI772770A (fi) Saett att framstaella fiberplattor
SE7713709L (sv) Anordni
BR7703431A (pt) Fusicel eletronico
PL203539A1 (pl) Przerywacz obwodu
SE420369B (sv) Ingangskrets avsedd for mikrovag
FR2342376A1 (fr) Circuit d'ecoulemen
SE7613699L (sv) Dempningskrets for forspenningsstrom
SE7708517L (sv) Kraftoverforing
SE7606399L (sv) Talvexlingsanordning
DK156849C (da) Varmeveksler
FI53780C (fi) Stoetskyddsfodring avsedd att anordnas i en hjaelm
DK312077A (da) Vekselretterkredslob
PL197970A1 (pl) Przerywacz obwodu
BE850638A (fr) Disjoncteur
BE852530A (fr) Disjoncteur
BE856054A (fr) Disjoncteur

Legal Events

Date Code Title Description
AHB Application shelved due to non-payment