JPS58170393A - Rotating speed controller - Google Patents

Rotating speed controller

Info

Publication number
JPS58170393A
JPS58170393A JP5103882A JP5103882A JPS58170393A JP S58170393 A JPS58170393 A JP S58170393A JP 5103882 A JP5103882 A JP 5103882A JP 5103882 A JP5103882 A JP 5103882A JP S58170393 A JPS58170393 A JP S58170393A
Authority
JP
Japan
Prior art keywords
signal
rotating speed
converter
motor
control
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
JP5103882A
Other languages
Japanese (ja)
Inventor
Yuichiro Nagato
Tadao Shimozu
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 JP5103882A priority Critical patent/JPS58170393A/en
Publication of JPS58170393A publication Critical patent/JPS58170393A/en
Pending legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02PCONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
    • H02P21/00Arrangements or methods for the control of electric machines by vector control, e.g. by control of field orientation

Abstract

PURPOSE:To control the rotating speed of a motor to be controlled by displacing the mechanical resonance point of the motor by supplying a control signal of rotating speed to signal converter and controlling the rotating speed with the output of the converter. CONSTITUTION:When a setter 1 is operated to input a control signal of the prescribed value to a signal converter 2, a speed set signal corresponding to the signal is generated from the converter, compared by a comparator 3 with the speed signal, and the control voltage is supplied to an inverter 4. Thus, the inverter 4 supplies the drive power of the voltage and frequency in response to the control voltage to an induction motor 6, thereby rotating the motor 6. The converter 2 has stepped discontinuous characteristic at part of the output signal characteristic for the input signal so tht the rotating speed of the motor 6 may not be permanently held in mechanical resonance.
JP5103882A 1982-03-31 1982-03-31 Rotating speed controller Pending JPS58170393A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP5103882A JPS58170393A (en) 1982-03-31 1982-03-31 Rotating speed controller

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP5103882A JPS58170393A (en) 1982-03-31 1982-03-31 Rotating speed controller

Publications (1)

Publication Number Publication Date
JPS58170393A true JPS58170393A (en) 1983-10-06

Family

ID=12875627

Family Applications (1)

Application Number Title Priority Date Filing Date
JP5103882A Pending JPS58170393A (en) 1982-03-31 1982-03-31 Rotating speed controller

Country Status (1)

Country Link
JP (1) JPS58170393A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006034070A (en) * 2004-07-21 2006-02-02 Daikin Ind Ltd Method and device for controlling motor
JP2008193829A (en) * 2007-02-06 2008-08-21 Fuji Electric Systems Co Ltd Power conversion apparatus
CN108253590A (en) * 2018-01-09 2018-07-06 广东美的制冷设备有限公司 The resonance point judgment method and storage medium of transducer air conditioning and its compressor

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS55120384A (en) * 1979-03-07 1980-09-16 Fuji Electric Co Ltd Speed control device for motor

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS55120384A (en) * 1979-03-07 1980-09-16 Fuji Electric Co Ltd Speed control device for motor

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006034070A (en) * 2004-07-21 2006-02-02 Daikin Ind Ltd Method and device for controlling motor
JP2008193829A (en) * 2007-02-06 2008-08-21 Fuji Electric Systems Co Ltd Power conversion apparatus
CN108253590A (en) * 2018-01-09 2018-07-06 广东美的制冷设备有限公司 The resonance point judgment method and storage medium of transducer air conditioning and its compressor
CN108253590B (en) * 2018-01-09 2021-03-19 广东美的制冷设备有限公司 Variable frequency air conditioner, resonance point judgment method of compressor of variable frequency air conditioner and storage medium

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