KR940004218A - 압축기의 운전제어방법 - Google Patents

압축기의 운전제어방법 Download PDF

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Publication number
KR940004218A
KR940004218A KR1019930016170A KR930016170A KR940004218A KR 940004218 A KR940004218 A KR 940004218A KR 1019930016170 A KR1019930016170 A KR 1019930016170A KR 930016170 A KR930016170 A KR 930016170A KR 940004218 A KR940004218 A KR 940004218A
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South Korea
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compressor
frequency
rotation speed
power
induction motor
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KR1019930016170A
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KR970003205B1 (ko
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노리오 하야시
다까시 오가와
마사아끼 다께사와
게이시로우 이가라시
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이우에 사또시
산요덴끼 가부시끼가이샤
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    • 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
    • H02P23/08—Controlling based on slip frequency, e.g. adding slip frequency and speed proportional frequency
    • 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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C18/00—Rotary-piston pumps specially adapted for elastic fluids
    • F04C18/02—Rotary-piston pumps specially adapted for elastic fluids of arcuate-engagement type, i.e. with circular translatory movement of co-operating members, each member having the same number of teeth or tooth-equivalents
    • F04C18/0207—Rotary-piston pumps specially adapted for elastic fluids of arcuate-engagement type, i.e. with circular translatory movement of co-operating members, each member having the same number of teeth or tooth-equivalents both members having co-operating elements in spiral form
    • F04C18/0215—Rotary-piston pumps specially adapted for elastic fluids of arcuate-engagement type, i.e. with circular translatory movement of co-operating members, each member having the same number of teeth or tooth-equivalents both members having co-operating elements in spiral form where only one member is moving
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C18/00—Rotary-piston pumps specially adapted for elastic fluids
    • F04C18/30—Rotary-piston pumps specially adapted for elastic fluids having the characteristics covered by two or more of groups F04C18/02, F04C18/08, F04C18/22, F04C18/24, F04C18/48, or having the characteristics covered by one of these groups together with some other type of movement between co-operating members
    • F04C18/34—Rotary-piston pumps specially adapted for elastic fluids having the characteristics covered by two or more of groups F04C18/02, F04C18/08, F04C18/22, F04C18/24, F04C18/48, or having the characteristics covered by one of these groups together with some other type of movement between co-operating members having the movement defined in group F04C18/08 or F04C18/22 and relative reciprocation between the co-operating members
    • F04C18/356—Rotary-piston pumps specially adapted for elastic fluids having the characteristics covered by two or more of groups F04C18/02, F04C18/08, F04C18/22, F04C18/24, F04C18/48, or having the characteristics covered by one of these groups together with some other type of movement between co-operating members having the movement defined in group F04C18/08 or F04C18/22 and relative reciprocation between the co-operating members with vanes reciprocating with respect to the outer member
    • F04C18/3562—Rotary-piston pumps specially adapted for elastic fluids having the characteristics covered by two or more of groups F04C18/02, F04C18/08, F04C18/22, F04C18/24, F04C18/48, or having the characteristics covered by one of these groups together with some other type of movement between co-operating members having the movement defined in group F04C18/08 or F04C18/22 and relative reciprocation between the co-operating members with vanes reciprocating with respect to the outer member the inner and outer member being in contact along one line or continuous surfaces substantially parallel to the axis of rotation
    • F04C18/3564—Rotary-piston pumps specially adapted for elastic fluids having the characteristics covered by two or more of groups F04C18/02, F04C18/08, F04C18/22, F04C18/24, F04C18/48, or having the characteristics covered by one of these groups together with some other type of movement between co-operating members having the movement defined in group F04C18/08 or F04C18/22 and relative reciprocation between the co-operating members with vanes reciprocating with respect to the outer member the inner and outer member being in contact along one line or continuous surfaces substantially parallel to the axis of rotation the surfaces of the inner and outer member, forming the working space, being surfaces of revolution
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C23/00—Combinations of two or more pumps, each being of rotary-piston or oscillating-piston type, specially adapted for elastic fluids; Pumping installations specially adapted for elastic fluids; Multi-stage pumps specially adapted for elastic fluids
    • F04C23/001—Combinations of two or more pumps, each being of rotary-piston or oscillating-piston type, specially adapted for elastic fluids; Pumping installations specially adapted for elastic fluids; Multi-stage pumps specially adapted for elastic fluids of similar working principle
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B49/00—Arrangement or mounting of control or safety devices
    • F25B49/02—Arrangement or mounting of control or safety devices for compression type machines, plants or systems
    • F25B49/025—Motor control arrangements
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C2240/00—Components
    • F04C2240/40—Electric motor
    • F04C2240/403—Electric motor with inverter for speed control
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B2600/00—Control issues
    • F25B2600/02—Compressor control
    • F25B2600/021—Inverters therefor
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
    • Y02B30/70—Efficient control or regulation technologies, e.g. for control of refrigerant flow, motor or heating

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Control Of Ac Motors In General (AREA)
  • Applications Or Details Of Rotary Compressors (AREA)
  • Air Conditioning Control Device (AREA)

Abstract

압축기(5)에 공급하는 교류전력의 주파수를 압축기(5)의 부하 또는 부하의 변화에 기초해서 변경시키고, 상기한 교류전력의 전압을 압축기(5)가 미리 정한 목표회전수가 되도록 변경시킨다.
압축기(5)의 목표회전수를 압축기(5)의 운준효율이 높아지는 회전수로 하므로서 압축기(5)를 조립한 기기와 운전효율을 높일수가 있다.

Description

압축기의 운전제어방법
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제1도는 유도전동기의 1개 상당의 등가회로도.
제2도는 주파수를 변경한 경우의 최적 슬립과 회전수와의 관계를 나타내는 특성도.
제3도는 본 발명의 실시예를 나타내는 개략도.
제4도는 본 발명의 실시예를 공기조화기에 사용되는 때의 개략도.

Claims (7)

  1. 압축기, 응축기, 감압장치, 증발기를 사용해서 냉동주기를 구성하고, 이 냉동주기의 압축기(5)에 공급하는 교류전력의 전압을 압축기(5)의 회전수가 소정의 값이 되도록 변경하는 운전제어방법에 있어서 상기한 교류전력의 주파수에 대해 압축기(5)의 운전효율이 높아지는 것과 같은 회전수를 미리 구하여 이 회전수를 상기한 소정의 값으로서 사용하는 것을 특징으로 하는 압축기의 운전제어방법.
  2. 제1항에 있어서, 교류전력의 주파수를 상기한 냉동주기의 부하의 크기에 따라 변경시킴과 동시에 상기한 회전수의 소정의 값은 상기한 교류전력의 주파수마다에 구해지는 것을 특징으로 하는 압축기의 운전제어방법.
  3. 교류전동기로 구동되는 회전형의 압축기, 응축기, 감압장치, 증발기를 사용해서 냉동주기를 구성하고 냉동주기에 대한 부하의 변동에 따라 압축기(5)의 능력을 변경시키는 운전제어방법에 있어서 압축기(5)의 능력을 압축기(5)의 회전수를 변경해서 제어하는 때에 압축기(5)에 공급하는 교류전력의 주파수를 상기한 회전수에 의한 압축기(5)의 운전효율이 높아지도록 미리 정해진 값으로 설정하고, 상기한 교류전력의 전압을 상기한 회전수가 얻어지도록 증감시키는 것을 특징으로 하는 압축기의 운전제어방법.
  4. 유도전동기(1)로 구동되는 압축기, 응축기, 감압장치, 증발기를 사용해서 냉동주기를 구성하고, 이 냉동주기의 부하에 맞추어서 유도전동기(1)에 공급하는 교류전력의 주파수를 변경시키도록 구성한 운전제어방법에 있어서 유도전동기(1)에 공급하는 교류전력의 주파수에 대응함과 동시에 이 교류전력을 공급한 때에 유도전동기(1)의 운전효율이 높게 되는 회전수를 주파수마다에 기억시키고 유도전동기(1)에 공급되는 교류전력의 전압을 유도전동기(1)의 회전수가 주파수마다에 기억된 회전수가 되도록 변경시키는 것을 특징으로 하는 압축기의 운전제어방법.
  5. 제4항에 있어서, 교류전력의 주파수에 대응하는 유도전동기(1)의 회전수의 변화는 주파수에 대해 직선에 근사하게 되어 있는 것을 특징으로 하는 압축기의 운전제어방법.
  6. 제4항에 있어서, 교류전력의 주파수가 미리 정한 주파수의 범위내인 때에 교류전력의 전압제어를 행하는 것을 특징으로 하는 압축기의 운전제어방법.
  7. 유도전동기(1)로 구동되는 압축기, 응축기, 감압장치, 증발기를 사용해서 냉동주기를 구성하고, 이 냉동주기의 부하에 맞추어서 유동전동기(1)에 공급하는 교류전력의 주파수를 변경시키도록 구성한 운전제어방법에 있어서 상기한 교류전력을 변조파(MO)와 반송파(CO)와의 진폭비교로부터 얻어지는 펄스폭 변조신호(PWM 신호)에 기초해서 의사정현파로 구성하고, 상기한 부하의 변동에 맞추어서 변조파(MO)의 주파수를 변경하여 상기한 유도전동기(1) 또는 압축기(5)의 회전수를 상기한 주파수로 유도전동기(1)의 운전효율이 높게 되는 회전수로 되도록 상기한 변조파(MO) 또는 반송파(CO)의 진폭을 변경시키는 것을 특징으로 하는 압축기의 운전제어방법.
    ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019930016170A 1992-08-21 1993-08-20 압축기의 운전제어방법 KR970003205B1 (ko)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP92-222795 1992-08-21
JP4222795A JPH0678582A (ja) 1992-08-21 1992-08-21 圧縮機の運転制御方法

Publications (2)

Publication Number Publication Date
KR940004218A true KR940004218A (ko) 1994-03-14
KR970003205B1 KR970003205B1 (ko) 1997-03-15

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Country Status (7)

Country Link
US (1) US5506486A (ko)
EP (1) EP0584748B1 (ko)
JP (1) JPH0678582A (ko)
KR (1) KR970003205B1 (ko)
CN (2) CN1034783C (ko)
DE (1) DE69321678T2 (ko)
TW (1) TW224511B (ko)

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KR100497742B1 (ko) * 2001-11-05 2005-06-29 주식회사 한국코인 주화 분류 이송장치

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EP0584748A3 (en) 1994-11-02
CN1034783C (zh) 1997-04-30
KR970003205B1 (ko) 1997-03-15
US5506486A (en) 1996-04-09
TW224511B (ko) 1994-06-01
DE69321678T2 (de) 1999-06-10
CN1086938A (zh) 1994-05-18
EP0584748B1 (en) 1998-10-21
CN1032711C (zh) 1996-09-04
DE69321678D1 (de) 1998-11-26
JPH0678582A (ja) 1994-03-18
EP0584748A2 (en) 1994-03-02
CN1096569A (zh) 1994-12-21

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