BE894408A - METHOD AND DEVICE FOR ADJUSTING THE NUMBER OF TURNS OF THREE-PHASE CURRENT MACHINES - Google Patents

METHOD AND DEVICE FOR ADJUSTING THE NUMBER OF TURNS OF THREE-PHASE CURRENT MACHINES

Info

Publication number
BE894408A
BE894408A BE0/209025A BE209025A BE894408A BE 894408 A BE894408 A BE 894408A BE 0/209025 A BE0/209025 A BE 0/209025A BE 209025 A BE209025 A BE 209025A BE 894408 A BE894408 A BE 894408A
Authority
BE
Belgium
Prior art keywords
turns
adjusting
phase current
current machines
machines
Prior art date
Application number
BE0/209025A
Other languages
French (fr)
Original Assignee
Loher Gmbh
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 Loher Gmbh filed Critical Loher Gmbh
Publication of BE894408A publication Critical patent/BE894408A/en

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
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H31/00—Air-break switches for high tension without arc-extinguishing or arc-preventing means
    • H01H31/34—Air-break switches for high tension without arc-extinguishing or arc-preventing means with movable contact adapted to engage an overhead transmission line, e.g. for branching
    • H01H31/36—Contact moved by pantograph
    • 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
    • H02M5/00—Conversion of ac power input into ac power output, e.g. for change of voltage, for change of frequency, for change of number of phases
    • H02M5/40—Conversion of ac power input into ac power output, e.g. for change of voltage, for change of frequency, for change of number of phases with intermediate conversion into dc
    • H02M5/42—Conversion of ac power input into ac power output, e.g. for change of voltage, for change of frequency, for change of number of phases with intermediate conversion into dc by static converters
    • H02M5/44—Conversion of ac power input into ac power output, e.g. for change of voltage, for change of frequency, for change of number of phases with intermediate conversion into dc by static converters using discharge tubes or semiconductor devices to convert the intermediate dc into ac
    • H02M5/443—Conversion of ac power input into ac power output, e.g. for change of voltage, for change of frequency, for change of number of phases with intermediate conversion into dc by static converters using discharge tubes or semiconductor devices to convert the intermediate dc into ac using devices of a thyratron or thyristor type requiring extinguishing means
    • H02M5/45—Conversion of ac power input into ac power output, e.g. for change of voltage, for change of frequency, for change of number of phases with intermediate conversion into dc by static converters using discharge tubes or semiconductor devices to convert the intermediate dc into ac using devices of a thyratron or thyristor type requiring extinguishing means using semiconductor devices only
    • H02M5/4505—Conversion of ac power input into ac power output, e.g. for change of voltage, for change of frequency, for change of number of phases with intermediate conversion into dc by static converters using discharge tubes or semiconductor devices to convert the intermediate dc into ac using devices of a thyratron or thyristor type requiring extinguishing means using semiconductor devices only having a rectifier with controlled elements
    • 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
    • H02P2209/00—Indexing scheme relating to controlling arrangements characterised by the waveform of the supplied voltage or current
    • H02P2209/01—Motors with neutral point connected to the power supply

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Inverter Devices (AREA)
  • Control Of Ac Motors In General (AREA)
BE0/209025A 1981-09-16 1982-09-15 METHOD AND DEVICE FOR ADJUSTING THE NUMBER OF TURNS OF THREE-PHASE CURRENT MACHINES BE894408A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19813136789 DE3136789A1 (en) 1981-09-16 1981-09-16 Method for controlling the rotation speed of machines having a multiple of three phases, via star-connected, current-controlled converters

Publications (1)

Publication Number Publication Date
BE894408A true BE894408A (en) 1983-01-03

Family

ID=6141833

Family Applications (1)

Application Number Title Priority Date Filing Date
BE0/209025A BE894408A (en) 1981-09-16 1982-09-15 METHOD AND DEVICE FOR ADJUSTING THE NUMBER OF TURNS OF THREE-PHASE CURRENT MACHINES

Country Status (5)

Country Link
AT (1) AT377638B (en)
BE (1) BE894408A (en)
DE (1) DE3136789A1 (en)
FR (1) FR2513039A1 (en)
NL (1) NL8202374A (en)

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2221779A1 (en) * 1972-05-04 1973-11-15 Allis Louis Co PROCEDURE AND ARRANGEMENT FOR CONTROLLING THE OUTPUT OF A SELF-EXCELLENT AC MOTOR
DE2234681C3 (en) * 1972-07-14 1975-07-31 Siemens Ag, 1000 Berlin Und 8000 Muenchen Method and circuit arrangement for reducing the torque ripple of an induction machine

Also Published As

Publication number Publication date
FR2513039A1 (en) 1983-03-18
DE3136789A1 (en) 1983-03-31
NL8202374A (en) 1983-04-18
AT377638B (en) 1985-04-10
ATA445781A (en) 1984-08-15

Similar Documents

Publication Publication Date Title
FR2536543B1 (en) METHOD AND APPARATUS FOR EXTENDED LATERAL RANGE ELECTRICAL CONDUCTIVITY DIAGRAPHY
FR2320810A1 (en) METHOD AND DEVICE FOR MACHINING BY ELECTRICAL DISCHARGES
GB2129649B (en) Method and apparatus for electronic publishing
BE875646A (en) PROPHYLACTIC DEVICE AND METHOD FOR MAKING IT
FR2534164B1 (en) METHOD AND APPARATUS FOR CONTINUOUS CASTING
BE859284A (en) METHOD AND DEVICE FOR ADJUSTING AN ASYNCHRONOUS MACHINE
DE3377390D1 (en) Apparatus and method for tracking integrated circuit devices
FR2514578B1 (en) METHOD AND APPARATUS FOR MANUFACTURING AN ELECTRIC EXTENSION DEVICE
FR2477452B1 (en) METHOD AND APPARATUS FOR WIRE ELECTRO-EROSION MACHINING
IT1195792B (en) METHOD AND APPARATUS EPR ELECTROPHOTOGRAPHY
FR2502041B1 (en) ELECTRIC SHOCK MACHINING METHOD AND APPARATUS
FR2471255B1 (en) METHOD AND DEVICE FOR MACHINING BY EROSIVE SPARKING
FR2518842B1 (en) CONNECTION DEVICE FOR THE WINDING OF AN ELECTRIC MACHINE
FR2493594B1 (en) METHOD AND APPARATUS FOR CONTROLLING AN ELECTRICAL APPARATUS
JPS57189543A (en) Method and device for fixing conductor
BE894745A (en) MEDICAL DEVICE AND METHOD FOR MANUFACTURING IT
FR2351524A1 (en) METHOD AND DEVICE FOR LAYING ELECTRIC CURRENT DISTRIBUTION LINES
BE884214A (en) METHOD AND APPARATUS FOR WINDING WIRES
FR2509214B1 (en) METHOD AND DEVICE FOR MACHINING BY ELECTRO-EROSION
FR2499893B1 (en) METHOD AND APPARATUS FOR MACHINING BY ELECTRIC SHOCK
FR2454156B1 (en) METHOD FOR THREADING AND REMOVING PROTECTIVE CLOTHING
FR2516000B1 (en) METHOD AND DEVICE FOR MACHINING BY ELECTRIC SHOCK
BE894408A (en) METHOD AND DEVICE FOR ADJUSTING THE NUMBER OF TURNS OF THREE-PHASE CURRENT MACHINES
IT1163327B (en) APPARATUS FOR ELECTRICAL INSTALLATIONS
FR2526458B1 (en) METHOD AND APPARATUS FOR PRODUCING METAL CABLES

Legal Events

Date Code Title Description
RE Patent lapsed

Owner name: LOHER G.M.B.H.

Effective date: 19890930