JPS56150997A - Preventing circuit for damping of alternating current motor controlling system - Google Patents

Preventing circuit for damping of alternating current motor controlling system

Info

Publication number
JPS56150997A
JPS56150997A JP5323980A JP5323980A JPS56150997A JP S56150997 A JPS56150997 A JP S56150997A JP 5323980 A JP5323980 A JP 5323980A JP 5323980 A JP5323980 A JP 5323980A JP S56150997 A JPS56150997 A JP S56150997A
Authority
JP
Japan
Prior art keywords
frequency
signals
converter
representing
power
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.)
Pending
Application number
JP5323980A
Other languages
Japanese (ja)
Inventor
Takao Yanase
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Fuji Electric Co Ltd
Original Assignee
Fuji Electric Co Ltd
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 Fuji Electric Co Ltd filed Critical Fuji Electric Co Ltd
Priority to JP5323980A priority Critical patent/JPS56150997A/en
Priority to DE19813115561 priority patent/DE3115561A1/en
Publication of JPS56150997A publication Critical patent/JPS56150997A/en
Pending legal-status Critical Current

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
    • 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
    • H02P23/00—Arrangements or methods for the control of AC motors characterised by a control method other than vector control
    • H02P23/26—Power factor control [PFC]
    • 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)

Abstract

PURPOSE:To obtain a sufficient damping effect regardless of variable speed and a power-factor by a method wherein signals representing intermediate circuit voltage are divided by signals representing the magnitude of the output voltage of a converter, and overlapped to output frequency command signals. CONSTITUTION:An AC motor 4 is driven through a converter 2, an inverter 3 and a smoothing reactor 5 wired to a power source 1. A divider 14 is mounted, the input signals of a phase shifter 6 representing the output voltage of the converter 2 are divided by the speed setting signals of a setter 13 representing inverter frequency, the output is added to the speed setting signals through a linearizing circuit 15 and a differentiation circut 16, and the frequency of the inverter 3 is controlled through a voltage/frequency converter 12. Thus, when an angle of a power-factor increases due to the disturbance of torque, the primary current frequency of the motor is augmented, and a circuit functions so as to prevent the increase of the angle of the power-factor. Consequently, the optimum amount of compensation is obtained, and damping can be prevented.
JP5323980A 1980-04-22 1980-04-22 Preventing circuit for damping of alternating current motor controlling system Pending JPS56150997A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP5323980A JPS56150997A (en) 1980-04-22 1980-04-22 Preventing circuit for damping of alternating current motor controlling system
DE19813115561 DE3115561A1 (en) 1980-04-22 1981-04-16 Device for controlling an induction machine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP5323980A JPS56150997A (en) 1980-04-22 1980-04-22 Preventing circuit for damping of alternating current motor controlling system

Publications (1)

Publication Number Publication Date
JPS56150997A true JPS56150997A (en) 1981-11-21

Family

ID=12937242

Family Applications (1)

Application Number Title Priority Date Filing Date
JP5323980A Pending JPS56150997A (en) 1980-04-22 1980-04-22 Preventing circuit for damping of alternating current motor controlling system

Country Status (2)

Country Link
JP (1) JPS56150997A (en)
DE (1) DE3115561A1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN100344057C (en) * 1997-02-04 2007-10-17 西门子公司 Driving mechanism for industrial installations, in particular for primary industry installations

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3223786A1 (en) * 1982-06-24 1983-12-29 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt Method for preventing oscillations between the load and the intermediate circuit in converters whose frequency is followed-up and which have a variable intermediate-circuit voltage
US4654572A (en) * 1984-05-04 1987-03-31 Kabushiki Kaisha Toshiba Load-commutated inverter for operating synchronous motor
CN111512535B (en) * 2017-12-22 2023-09-05 维斯塔斯风力系统集团公司 Wind turbines with reduced DC voltage reserves

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN100344057C (en) * 1997-02-04 2007-10-17 西门子公司 Driving mechanism for industrial installations, in particular for primary industry installations

Also Published As

Publication number Publication date
DE3115561A1 (en) 1982-06-16

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