KR910012549A - Control method and control device of induction motor for compressor - Google Patents

Control method and control device of induction motor for compressor Download PDF

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Publication number
KR910012549A
KR910012549A KR1019900022553A KR900022553A KR910012549A KR 910012549 A KR910012549 A KR 910012549A KR 1019900022553 A KR1019900022553 A KR 1019900022553A KR 900022553 A KR900022553 A KR 900022553A KR 910012549 A KR910012549 A KR 910012549A
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KR
South Korea
Prior art keywords
power
induction motor
electric
compression element
angle
Prior art date
Application number
KR1019900022553A
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Korean (ko)
Inventor
마사아끼 따께자와
따까시 오가와
노리오 하야시
Original Assignee
이우에 사또시
산요덴끼 가부시끼가이샤
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Publication of KR910012549A publication Critical patent/KR910012549A/en

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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04BPOSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B49/00Control, e.g. of pump delivery, or pump pressure of, or safety measures for, machines, pumps, or pumping installations, not otherwise provided for, or of interest apart from, groups F04B1/00 - F04B47/00
    • F04B49/06Control using electricity
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02KDYNAMO-ELECTRIC MACHINES
    • H02K17/00Asynchronous induction motors; Asynchronous induction generators
    • H02K17/02Asynchronous induction motors
    • H02K17/30Structural association of asynchronous induction motors with auxiliary electric devices influencing the characteristics of the motor or controlling the motor, e.g. with impedances or switches
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02KDYNAMO-ELECTRIC MACHINES
    • H02K29/00Motors or generators having non-mechanical commutating devices, e.g. discharge tubes or semiconductor devices
    • H02K29/06Motors or generators having non-mechanical commutating devices, e.g. discharge tubes or semiconductor devices with position sensing devices
    • H02K29/08Motors or generators having non-mechanical commutating devices, e.g. discharge tubes or semiconductor devices with position sensing devices using magnetic effect devices, e.g. Hall-plates, magneto-resistors
    • 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
    • H02P27/00Arrangements or methods for the control of AC motors characterised by the kind of supply voltage
    • H02P27/04Arrangements 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
    • H02P27/047V/F converter, wherein the voltage is controlled proportionally with the frequency
    • 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
    • H02P27/00Arrangements or methods for the control of AC motors characterised by the kind of supply voltage
    • H02P27/04Arrangements 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
    • H02P27/06Arrangements 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
    • H02P27/08Arrangements 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 with pulse width modulation
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04BPOSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B2203/00Motor parameters
    • F04B2203/02Motor parameters of rotating electric motors
    • F04B2203/0207Torque

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Control Of Ac Motors In General (AREA)
  • Control Of Positive-Displacement Pumps (AREA)

Abstract

내용 없음No content

Description

압축기용 유도전동기의 제어방법 및 제어장치Control method and control device of induction motor for compressor

본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음As this is a public information case, the full text was not included.

제1도는 본 발명의 제어방법을 사용하는 압축기의 단면도,1 is a cross-sectional view of a compressor using the control method of the present invention,

제2도는 제1도에 나타낸 압축기의 ⅡㅡⅡ에 따라 절단한 단면도,2 is a cross-sectional view taken along II-II of the compressor shown in FIG.

제3도는 제1도의 압축기에 위치검출기를 붙인 상태를 보인 주요부 단면도.3 is a cross-sectional view of an essential part showing a state detector attached to the compressor of FIG.

Claims (4)

유동전동기(3)와 이 유도전동기(3)로 회전구동되는 압축요소(4)와 전기한 유도전동기(3) 및 전기한 압축요소(4)를 수납하는 단일의 밀폐용기(1)로 구성되는 압축기에 있어서, 전기한 유도전동기(3)에 교류전력을 공급하는 제어방법은 1주기내의 위상과 변화에 대응해서 소정의 크기로 증감하는 교류전력을 출력하는 교류전력 발생수단을 구비함과 동시에 전기한 교류전력의 1주기의 위상각은 압축요소(4)의 1회전의 회전각에 대응하고, 전기한 압축요소(4)의 구동토오크가 크게 되는 회전각에 대응하는 위상각에서는 전기한 교류 전력이 크게 되고, 전기한 압축요소(4)가 소정의 회전각에 도달할때마다 전기한 교류전력의전기한 유도전동기(3)에서 공급을 전기한 소정의 회전각에 대응하는 위상각으로 부터 개시시키는 것을 특징으로 하는 압축기용 유동전기의 제어방법.It consists of a single motor (3), a compression element (4) rotated and driven by the induction motor (3), a single hermetically sealed container (1) for receiving the electric motor (3) and the electric compressor (4). In the compressor, a control method for supplying AC power to the electric induction motor (3) includes an AC power generating means for outputting AC power that increases or decreases to a predetermined size in response to a phase and change in one cycle. The phase angle of one cycle of one AC power corresponds to the rotation angle of one rotation of the compression element 4, and the AC power electric at the phase angle corresponding to the rotation angle at which the driving torque of the compression element 4 is increased. Becomes large, starting from the phase angle corresponding to the predetermined rotational angle in which the supply is supplied by the electric induction motor 3 of the alternating current electric power whenever the compressed element 4 reaches the predetermined rotational angle. Compressor flow electricity, characterized in that A control method. 제1항에 있어서, 전기한 압축요소(4)의 구동토오크가 크게 되는 회전각에 대응하는 위성각에서는 전기한 교류전력의 순시 주파수가 전기한 교류전력의 평균 주파수보다 높은 것을 특징으로 하는 압축기용 유동전기의 제어방법.2. The compressor according to claim 1, wherein the instantaneous frequency of the alternating AC power is higher than the average frequency of the alternating AC power at the satellite angle corresponding to the rotational angle at which the driving torque of the compression element 4 is increased. Control Method of Flow Electricity. 유도전동기(3)와 이 유동전동기(3)로 회전시키게 되는 압축요소(4)와 전기한 유도전동기(3) 및 전기한 압축요소(4)를 수납하는 단일의 밀폐용기(1)로 구성되는 압축기에 있어서, 전기한 유도전동기(3)에 교류전력을 공급하는 제어방법은 전기한 밀페용기(1)중에 설치되고, 전기한 압축요소(4)와 함께 회전하는 영구자석(23)과 전기한 밀폐용기(1)의 밖에 설치되고, 전기한 영구자석(23)의 자속을 검출하는 자기검출기(24)를 구비함과 동시에 1주기내의 위상각 변화에 대응해서 소정의 크기로 증감하는 교류전력을 출력하는 교류전력 발생수단을 구비하고, 전기한 교류전력의 1쥐의 위상각은 압축요소(4)의 1회전의 회전각에 대응하고, 전기한 압축요소(4)의 구동토오크가 크게되는 회전각에 대응한 위상각에서는 전기한 교류전력의 출력이 커지고, 전기한 자기검출기(24)가 전기한 영구자석(23)의 자속을 검출할때마다 전기한 교류전력의 전기한 유도전동기(3)에의 공급을 소정의 위상각으로 부터 개시 시키는 것을 특징으로 하는 압축기용 유도전동기의 제어방법.Composed of an induction motor (3), a compression element (4) to be rotated by the flow motor (3), a single hermetically sealed container (1) for holding the electric induction motor (3) and the electric compression element (4). In the compressor, a control method for supplying AC power to the electric induction motor (3) is installed in the hermetic container (1), and the permanent magnet (23) rotating with the electric compression element (4). It is provided outside the sealed container (1) and has a magnetic detector (24) for detecting the magnetic flux of the permanent magnet (23) described above, and at the same time corresponding to the change in the phase angle in one cycle to increase or decrease the AC power The AC power generating means for outputting, the phase angle of one mouse of the alternating electric power corresponds to the rotation angle of one rotation of the compression element 4, the rotation in which the driving torque of the compression element 4 is increased At the phase angle corresponding to the angle, the output of the AC power is increased, and the magnetic detection is performed. Whenever the machine 24 detects the magnetic flux of the permanent magnet 23, the induction motor for the compressor is characterized in that the supply of the alternating current electric power to the induction motor 3 is started from a predetermined phase angle. Control method. 유도전동기(3)와 이 유도전동기(3)으로 회전시키게 되는 압축요소(4)와 전기한 유도전동기(3) 및 전기한 압축요소(4)를 수납하는 단일의 밀폐용기(1)로 구성되는 압축기에 있어서, 전기한 유도전동기(3)에 교류전력을 공급하는 제어장치는 복수의 스위칭소자(32)ㅡ(37)와 이들 스위칭소자(32)ㅡ(37)가 브리지형으로 접속되어 이루어지고, 직류를 교류로 변환하는 인버터회로와 주어진 위상각에 대응해서 각각의 스윗칭소자(32)ㅡ(37)의 온/오프(ON/OFF)신호를 출력함과 아울러 소정의 위상각이 주어진 때에는 전기한 인버터회로로 부터 출력되는 교류가 크게되는 온/오프 신호를 출력하는 스윗칭 신호 발생수단과 이 스윗칭 신호 발생수단에 주는 위상각을 순차적으로 진행시켜 전기한 인버터 회로로부터의 전기한 유도전동기(3)에 연속된 교류전력을 공급시키는 위상제어수단과 전기한 압축요소(4)의 회전각이 소정의 각도에 도달한때의 신호를 판단하는 위치검출수단(30)과 이 위치검출수단(30)이 위치검출신호를 판단했을때 위상제어수단이 출력하는 값을 특정의 위상각으로 바꾸는 위상 보정단과를 갖는 것을 특징으로 하는 압축기용 유도 전동기의 제어장치.Composed of an induction motor (3), a compression element (4) to be rotated by the induction motor (3), a single hermetically sealed container (1) containing the electric induction motor (3) and the electric compression element (4). In the compressor, a control device for supplying AC power to the electric induction motor (3) is formed by connecting a plurality of switching elements (32) to (37) and these switching elements (32) to (37) in a bridge shape. Outputs the ON / OFF signal of each of the switching elements 32 to 37 corresponding to the given phase angle and the inverter circuit for converting DC into AC, Switching signal generating means for outputting an on / off signal in which the alternating current outputted from the inverter circuit is large, and an induction motor from the inverter circuit which advances the phase angle given to this switching signal generating means sequentially To supply continuous AC power to (3) Phase detection means 30 for determining a signal when the rotation angle of the phase control means and the aforementioned compression element 4 reaches a predetermined angle, and phase control when the position detection means 30 determines the position detection signal. And a phase correction stage for changing a value outputted by the means into a specific phase angle. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019900022553A 1989-12-27 1990-12-27 Control method and control device of induction motor for compressor KR910012549A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP1-341228 1989-12-27
JP1341228A JPH03203592A (en) 1989-12-27 1989-12-27 Controlling system of induction motor for compressor

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KR910012549A true KR910012549A (en) 1991-08-08

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KR1019900022553A KR910012549A (en) 1989-12-27 1990-12-27 Control method and control device of induction motor for compressor

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KR (1) KR910012549A (en)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4511682B2 (en) * 2000-04-12 2010-07-28 三菱重工業株式会社 Control device for motor for compressor

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6371590A (en) * 1986-09-13 1988-03-31 Daikin Ind Ltd Vibration reducing device for rotary compressor

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JPH03203592A (en) 1991-09-05

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