JPS561793A - Method for controlling inverter - Google Patents

Method for controlling inverter

Info

Publication number
JPS561793A
JPS561793A JP7710779A JP7710779A JPS561793A JP S561793 A JPS561793 A JP S561793A JP 7710779 A JP7710779 A JP 7710779A JP 7710779 A JP7710779 A JP 7710779A JP S561793 A JPS561793 A JP S561793A
Authority
JP
Japan
Prior art keywords
power
restored
circuit
soft start
current limiter
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
JP7710779A
Other languages
Japanese (ja)
Inventor
Yoshiaki Kamimura
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.)
Toyo Electric Manufacturing Ltd
Original Assignee
Toyo Electric Manufacturing 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 Toyo Electric Manufacturing Ltd filed Critical Toyo Electric Manufacturing Ltd
Priority to JP7710779A priority Critical patent/JPS561793A/en
Publication of JPS561793A publication Critical patent/JPS561793A/en
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
    • H02P1/00—Arrangements for starting electric motors or dynamo-electric converters
    • H02P1/16—Arrangements for starting electric motors or dynamo-electric converters for starting dynamo-electric motors or dynamo-electric converters
    • H02P1/26—Arrangements for starting electric motors or dynamo-electric converters for starting dynamo-electric motors or dynamo-electric converters for starting an individual polyphase induction motor
    • H02P1/30—Arrangements for starting electric motors or dynamo-electric converters for starting dynamo-electric motors or dynamo-electric converters for starting an individual polyphase induction motor by progressive increase of frequency of supply to primary circuit of motor

Abstract

PURPOSE:To readily perform the stable and continuous operation, by making the soft start of a voltage-control system when the power is restored, by decreasing the level of current limitation below a specified level, and by making the automatic restarting possible so that the excessive current which is generated during the transient period is limited. CONSTITUTION:A power-failure detection signal from a power-failure detector 17 is to be applied to a soft start circuit 20 and a current limiter 8'. When the power failure detection signal is sent out, the stop command is transmitted to a gate-signal control circuit 12 from a start-stop circuit 18, a three-phase inverter 4 is stopped, and an AC motor 5 is rotated without loads. When the power supply is restored, the operating command is given to the three-phase inverter 4 from the gate signal control circuit 20, and the soft start circuit 20 is connected at the same time. If the AC motor is connected under the power running conditions, the current limiter 8' generates a signal for a command amplifier 6 so as to decrease the inverter output frequency. When the stable operating conditions are obtained, the limitation of the current limiter 8' is restored to the specified level.
JP7710779A 1979-06-19 1979-06-19 Method for controlling inverter Pending JPS561793A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP7710779A JPS561793A (en) 1979-06-19 1979-06-19 Method for controlling inverter

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7710779A JPS561793A (en) 1979-06-19 1979-06-19 Method for controlling inverter

Publications (1)

Publication Number Publication Date
JPS561793A true JPS561793A (en) 1981-01-09

Family

ID=13624549

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7710779A Pending JPS561793A (en) 1979-06-19 1979-06-19 Method for controlling inverter

Country Status (1)

Country Link
JP (1) JPS561793A (en)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58127594A (en) * 1982-01-19 1983-07-29 Meidensha Electric Mfg Co Ltd Picking up method for motor
JPS6042753U (en) * 1983-08-31 1985-03-26 日本メクトロン株式会社 Terminal structure of flexible circuit board
EP0142808A2 (en) * 1983-11-21 1985-05-29 Siemens Aktiengesellschaft Method and apparatus for operating an asychronous motor fed by a current-source inverter during power failure
JPS6122783A (en) * 1984-07-02 1986-01-31 ゼネラル・エレクトリツク・カンパニイ Method of controlling start of ac motor drive device
JPS61196794A (en) * 1985-02-21 1986-08-30 Nippon Electric Ind Co Ltd Inverter for driving ac motor countermeasured for power interruption and recovery times
JPS6244098A (en) * 1985-08-22 1987-02-26 Mitsubishi Electric Corp Control system of inverter

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS53141423A (en) * 1977-05-17 1978-12-09 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
JPS53141423A (en) * 1977-05-17 1978-12-09 Toshiba Corp Control system for ac motor

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58127594A (en) * 1982-01-19 1983-07-29 Meidensha Electric Mfg Co Ltd Picking up method for motor
JPH0235559B2 (en) * 1982-01-19 1990-08-10 Meidensha Electric Mfg Co Ltd
JPS6042753U (en) * 1983-08-31 1985-03-26 日本メクトロン株式会社 Terminal structure of flexible circuit board
JPH0236283Y2 (en) * 1983-08-31 1990-10-03
EP0142808A2 (en) * 1983-11-21 1985-05-29 Siemens Aktiengesellschaft Method and apparatus for operating an asychronous motor fed by a current-source inverter during power failure
JPS6122783A (en) * 1984-07-02 1986-01-31 ゼネラル・エレクトリツク・カンパニイ Method of controlling start of ac motor drive device
JPS61196794A (en) * 1985-02-21 1986-08-30 Nippon Electric Ind Co Ltd Inverter for driving ac motor countermeasured for power interruption and recovery times
JPS6244098A (en) * 1985-08-22 1987-02-26 Mitsubishi Electric Corp Control system of inverter

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