CA923212A - Refrigeration system with multiple centrifugal compressors and load balancing control - Google Patents

Refrigeration system with multiple centrifugal compressors and load balancing control

Info

Publication number
CA923212A
CA923212A CA121515A CA121515A CA923212A CA 923212 A CA923212 A CA 923212A CA 121515 A CA121515 A CA 121515A CA 121515 A CA121515 A CA 121515A CA 923212 A CA923212 A CA 923212A
Authority
CA
Canada
Prior art keywords
load balancing
refrigeration system
balancing control
centrifugal compressors
multiple centrifugal
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.)
Expired
Application number
CA121515A
Other versions
CA121515S (en
Inventor
K. Richardson Douglas
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.)
CBS Corp
Original Assignee
Westinghouse Electric Corp
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 Westinghouse Electric Corp filed Critical Westinghouse Electric Corp
Application granted granted Critical
Publication of CA923212A publication Critical patent/CA923212A/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • F25B49/022—Compressor control arrangements
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D27/00—Control, e.g. regulation, of pumps, pumping installations or pumping systems specially adapted for elastic fluids
    • F04D27/02—Surge control
    • F04D27/0269—Surge control by changing flow path between different stages or between a plurality of compressors; load distribution between compressors
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
    • G05D23/00—Control of temperature
    • G05D23/19—Control of temperature characterised by the use of electric means
    • 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
    • F25B2400/00—General features or devices for refrigeration machines, plants or systems, combined heating and refrigeration systems or heat-pump systems, i.e. not limited to a particular subgroup of F25B
    • F25B2400/07—Details of compressors or related parts
    • F25B2400/075—Details of compressors or related parts with parallel compressors

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Automation & Control Theory (AREA)
  • Control Of Positive-Displacement Air Blowers (AREA)
  • Control Of Positive-Displacement Pumps (AREA)
  • Control Of Non-Positive-Displacement Pumps (AREA)
CA121515A 1970-09-28 1971-08-27 Refrigeration system with multiple centrifugal compressors and load balancing control Expired CA923212A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US7591470A 1970-09-28 1970-09-28

Publications (1)

Publication Number Publication Date
CA923212A true CA923212A (en) 1973-03-20

Family

ID=22128726

Family Applications (1)

Application Number Title Priority Date Filing Date
CA121515A Expired CA923212A (en) 1970-09-28 1971-08-27 Refrigeration system with multiple centrifugal compressors and load balancing control

Country Status (8)

Country Link
US (1) US3648479A (en)
AU (1) AU465521B2 (en)
CA (1) CA923212A (en)
DE (1) DE2147394C2 (en)
ES (1) ES395343A1 (en)
FR (1) FR2108039B1 (en)
GB (1) GB1328628A (en)
IT (1) IT938839B (en)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4205537A (en) * 1978-12-11 1980-06-03 General Electric Company Multiple hermetic-motor compressor in common shell
JPS58193055A (en) * 1982-05-04 1983-11-10 株式会社東芝 Heat pump type air conditioner
GB2159980B (en) * 1982-09-10 1987-10-07 Frick Co Micro-processor control of compression ratio at full load in a helical screw rotary compressor responsive to compressor drive motor current
US4494006A (en) * 1982-09-15 1985-01-15 Compressor Controls Corporation Method and apparatus for controlling a multicompressor station
US4560319A (en) * 1983-08-01 1985-12-24 MAN Maschinenfabrik Unternehmensbereich GHH Sterkrade Method and apparatus for controlling at least two parallel-connected turbocompressors
US4494382A (en) * 1983-10-11 1985-01-22 Carrier Corporation Method and apparatus for controlling when to initiate an increase in compressor capacity
GB2170583B (en) * 1985-01-31 1989-06-07 Yanmar Diesel Engine Co An engine-driven heat pump type air conditioner with an outdoor unit
DE3937152A1 (en) * 1989-11-08 1991-05-16 Gutehoffnungshuette Man METHOD FOR OPTIMIZING OPERATION OF TWO OR SEVERAL COMPRESSORS IN PARALLEL OR SERIES
JPH055545A (en) * 1991-04-26 1993-01-14 Toshiba Corp Electrical current control device of air conditioning system
US5195329A (en) * 1991-11-12 1993-03-23 Carrier Corporation Automatic chiller plant balancing
US5894739A (en) * 1997-07-10 1999-04-20 York International Corporation Compound refrigeration system for water chilling and thermal storage
US6602057B2 (en) 2001-10-01 2003-08-05 Dresser-Rand Company Management and optimization of load sharing between multiple compressor trains for controlling a main process gas variable
KR100437054B1 (en) * 2002-05-27 2004-06-23 엘지전자 주식회사 Over load protecting device for heat pump and method for the same
KR100645237B1 (en) * 2002-08-06 2006-11-15 요크 인터내셔널 코포레이션 Stability control system and instability detecting method for centrifugal compressors operating in parallel
CN103759482B (en) * 2007-10-31 2016-04-20 江森自控科技公司 Control method and the gas compression system of gas compression system capacity
EP3156747B1 (en) * 2014-06-10 2019-08-14 Toshiba Carrier Corporation Heat source machine and heat source device
CN112577211B (en) * 2019-09-30 2021-12-14 约克（无锡）空调冷冻设备有限公司 Load balancing method for two compressors

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2336671A (en) * 1933-11-29 1943-12-14 Gen Motors Corp Refrigerating apparatus
US2178100A (en) * 1937-05-13 1939-10-31 Curtis Refrigerating Machine C Refrigerating condensing unit
DE972394C (en) * 1954-01-09 1959-07-16 Siemens Ag Device for torque control of double drives, especially for double drives of rolling stands
DE1117710B (en) * 1954-05-24 1961-11-23 Siemens Ag Load balancing control of multi-motor drives with shunt motors
US3350897A (en) * 1966-01-11 1967-11-07 Westinghouse Electric Corp Controls for centrifugal compressors having spin vanes in their inlets
US3362185A (en) * 1966-06-20 1968-01-09 Westinghouse Electric Corp Refrigeration systems with centrifugal compressors and air cooled condensers
US3609989A (en) * 1970-04-15 1971-10-05 Westinghouse Electric Corp Control for refrigeration system centrifugal compressor

Also Published As

Publication number Publication date
ES395343A1 (en) 1974-12-16
IT938839B (en) 1973-02-10
DE2147394C2 (en) 1984-04-05
FR2108039A1 (en) 1972-05-12
DE2147394A1 (en) 1972-03-30
FR2108039B1 (en) 1977-01-21
GB1328628A (en) 1973-08-30
AU465521B2 (en) 1975-10-02
US3648479A (en) 1972-03-14
AU3289371A (en) 1973-03-08

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