CA926978A - Control system for compressors operating in parallel - Google Patents

Control system for compressors operating in parallel

Info

Publication number
CA926978A
CA926978A CA926978A CA926978DA CA926978A CA 926978 A CA926978 A CA 926978A CA 926978 A CA926978 A CA 926978A CA 926978D A CA926978D A CA 926978DA CA 926978 A CA926978 A CA 926978A
Authority
CA
Canada
Prior art keywords
parallel
control system
compressors operating
compressors
operating
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
CA926978A
Inventor
J. C. Reid Robert
F. Crate Graham
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.)
Trans Canada Pipelines Ltd
Original Assignee
Trans Canada Pipelines 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 Trans Canada Pipelines Ltd filed Critical Trans Canada Pipelines Ltd
Application granted granted Critical
Publication of CA926978A publication Critical patent/CA926978A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
    • G05D16/00—Control of fluid pressure
    • G05D16/20—Control of fluid pressure characterised by the use of electric means
    • G05D16/2006—Control of fluid pressure characterised by the use of electric means with direct action of electric energy on controlling means
    • G05D16/2066—Control of fluid pressure characterised by the use of electric means with direct action of electric energy on controlling means using controlling means acting on the pressure source
    • G05D16/2073—Control of fluid pressure characterised by the use of electric means with direct action of electric energy on controlling means using controlling means acting on the pressure source with a plurality of pressure sources
    • 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
    • G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B11/00—Automatic controllers
    • G05B11/01—Automatic controllers electric
    • G05B11/32—Automatic controllers electric with inputs from more than one sensing element; with outputs to more than one correcting element
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
    • G05D11/00—Control of flow ratio
    • G05D11/02—Controlling ratio of two or more flows of fluid or fluent material
    • G05D11/13—Controlling ratio of two or more flows of fluid or fluent material characterised by the use of electric means
    • G05D11/131—Controlling ratio of two or more flows of fluid or fluent material characterised by the use of electric means by measuring the values related to the quantity of the individual components
    • G05D11/132—Controlling ratio of two or more flows of fluid or fluent material characterised by the use of electric means by measuring the values related to the quantity of the individual components by controlling the flow of the individual components

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Automation & Control Theory (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Fluid Mechanics (AREA)
  • Control Of Positive-Displacement Air Blowers (AREA)
CA926978A 1971-06-29 1971-06-29 Control system for compressors operating in parallel Expired CA926978A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA116911 1971-06-29

Publications (1)

Publication Number Publication Date
CA926978A true CA926978A (en) 1973-05-22

Family

ID=4090174

Family Applications (1)

Application Number Title Priority Date Filing Date
CA926978A Expired CA926978A (en) 1971-06-29 1971-06-29 Control system for compressors operating in parallel

Country Status (5)

Country Link
AU (1) AU461769B2 (en)
CA (1) CA926978A (en)
FR (1) FR2143883B1 (en)
GB (1) GB1385983A (en)
NL (1) NL7208986A (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3937152A1 (en) * 1989-11-08 1991-05-16 Gutehoffnungshuette Man METHOD FOR OPTIMIZING OPERATION OF TWO OR SEVERAL COMPRESSORS IN PARALLEL OR SERIES
DE10208676A1 (en) * 2002-02-28 2003-09-04 Man Turbomasch Ag Ghh Borsig Process for controlling several turbomachines in parallel or in series
NO336500B1 (en) * 2013-12-23 2015-09-14 Vetco Gray Scandinavia As Submarine fluid processing system

Also Published As

Publication number Publication date
AU4399472A (en) 1974-01-03
FR2143883B1 (en) 1977-11-04
GB1385983A (en) 1975-03-05
NL7208986A (en) 1973-01-03
FR2143883A1 (en) 1973-02-09
AU461769B2 (en) 1975-06-05

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