JPS5649692A - Variable voltage and variable frequency power supply - Google Patents

Variable voltage and variable frequency power supply

Info

Publication number
JPS5649692A
JPS5649692A JP12380479A JP12380479A JPS5649692A JP S5649692 A JPS5649692 A JP S5649692A JP 12380479 A JP12380479 A JP 12380479A JP 12380479 A JP12380479 A JP 12380479A JP S5649692 A JPS5649692 A JP S5649692A
Authority
JP
Japan
Prior art keywords
motor
speed command
limiter
current
command signal
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
JP12380479A
Other languages
English (en)
Inventor
Shinichi Ogawa
Minoru Numano
Toshio Kawaguchi
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.)
Hitachi Ltd
Original Assignee
Hitachi 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 Hitachi Ltd filed Critical Hitachi Ltd
Priority to JP12380479A priority Critical patent/JPS5649692A/ja
Publication of JPS5649692A publication Critical patent/JPS5649692A/ja
Pending legal-status Critical Current

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

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Control Of Ac Motors In General (AREA)
JP12380479A 1979-09-28 1979-09-28 Variable voltage and variable frequency power supply Pending JPS5649692A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP12380479A JPS5649692A (en) 1979-09-28 1979-09-28 Variable voltage and variable frequency power supply

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP12380479A JPS5649692A (en) 1979-09-28 1979-09-28 Variable voltage and variable frequency power supply

Publications (1)

Publication Number Publication Date
JPS5649692A true JPS5649692A (en) 1981-05-06

Family

ID=14869723

Family Applications (1)

Application Number Title Priority Date Filing Date
JP12380479A Pending JPS5649692A (en) 1979-09-28 1979-09-28 Variable voltage and variable frequency power supply

Country Status (1)

Country Link
JP (1) JPS5649692A (ja)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58103887A (ja) * 1981-12-14 1983-06-21 Hitachi Ltd モ−タ駆動回路における過電流防止回路
JPS6237093A (ja) * 1985-08-07 1987-02-18 Hitachi Ltd 空気調和機用圧縮機の制御装置
JPS6237096A (ja) * 1985-08-05 1987-02-18 Fuji Electric Co Ltd インバ−タ駆動電動機の過電流保護装置
WO1991009463A1 (en) * 1989-12-15 1991-06-27 Anritsu Corporation Inverter-controlled apparatus for carrying and measuring articles

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS54106816A (en) * 1978-02-10 1979-08-22 Toshiba Corp Control system for ac motor

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS54106816A (en) * 1978-02-10 1979-08-22 Toshiba Corp Control system for ac motor

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58103887A (ja) * 1981-12-14 1983-06-21 Hitachi Ltd モ−タ駆動回路における過電流防止回路
JPH0452079B2 (ja) * 1981-12-14 1992-08-20 Hitachi Ltd
JPS6237096A (ja) * 1985-08-05 1987-02-18 Fuji Electric Co Ltd インバ−タ駆動電動機の過電流保護装置
JPS6237093A (ja) * 1985-08-07 1987-02-18 Hitachi Ltd 空気調和機用圧縮機の制御装置
WO1991009463A1 (en) * 1989-12-15 1991-06-27 Anritsu Corporation Inverter-controlled apparatus for carrying and measuring articles
US5359154A (en) * 1989-12-15 1994-10-25 Anritsu Corporation Conveyor apparatus having plural conveyors with equalized conveying speeds controlled by an inverter means

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