AU461769B2 - Control system for compressors operating in parallel - Google Patents

Control system for compressors operating in parallel

Info

Publication number: AU461769B2
Authority: AU; Australia
Prior art keywords: parallel; control system; compressors operating; compressors; operating
Prior art date: 1971-06-29
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

AU43994/72A

Other versions

AU4399472A (en

Inventor

JC. REID and GRAHAM F. CRATE ROBERT

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.)

TransCanada Pipelines Ltd

Original Assignee

TransCanada 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.)

1971-06-29

Filing date

1972-06-28

Publication date

1975-06-05

1972-06-28 Application filed by TransCanada Pipelines Ltd filed Critical TransCanada Pipelines Ltd

1974-01-03 Publication of AU4399472A publication Critical patent/AU4399472A/en

1975-06-05 Application granted granted Critical

1975-06-05 Publication of AU461769B2 publication Critical patent/AU461769B2/en

Status 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)

AU43994/72A 1971-06-29 1972-06-28 Control system for compressors operating in parallel Expired AU461769B2 (en)

Applications Claiming Priority (1)

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

Publications (2)

Publication Number	Publication Date
AU4399472A AU4399472A (en)	1974-01-03
AU461769B2 true AU461769B2 (en)	1975-06-05

Family

ID=4090174

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
AU43994/72A Expired AU461769B2 (en)	1971-06-29	1972-06-28	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

1971
- 1971-06-29 CA CA926978A patent/CA926978A/en not_active Expired
1972
- 1972-06-28 AU AU43994/72A patent/AU461769B2/en not_active Expired
- 1972-06-29 NL NL7208986A patent/NL7208986A/xx unknown
- 1972-06-29 FR FR7223587A patent/FR2143883B1/fr not_active Expired
- 1972-06-29 GB GB3059772A patent/GB1385983A/en not_active Expired

Also Published As

Publication number	Publication date
GB1385983A (en)	1975-03-05
FR2143883A1 (en)	1973-02-09
NL7208986A (en)	1973-01-03
FR2143883B1 (en)	1977-11-04
CA926978A (en)	1973-05-22
AU4399472A (en)	1974-01-03

Publication	Publication Date	Title
AU468349B2 (en)	1976-01-08	Drive system
CA956543A (en)	1974-10-22	Pump control system
CA963753A (en)	1975-03-04	Control system
CA951809A (en)	1974-07-23	Humidifier control system
CA940371A (en)	1974-01-22	Inlet control
CA926978A (en)	1973-05-22	Control system for compressors operating in parallel
CA966228A (en)	1975-04-15	Filament-current control unit in electron-beam apparatus
CA868770A (en)	1971-04-20	Compressor control system
CA880030A (en)	1971-09-07	Inlet control system
AU4251672A (en)	1973-12-20	Ventilator system
CA876438A (en)	1971-07-27	Air-conditioning system
CA881748A (en)	1971-09-21	Despin control system
AU447657B2 (en)	1974-04-08	Control system
CA874663A (en)	1971-06-29	Dehumidifer control system
CA869728A (en)	1971-04-27	Control system
CA861867A (en)	1971-01-26	Hydraeric control system
CA873563A (en)	1971-06-15	Queuer control system
AU440180B2 (en)	1973-09-27	Control system
CA944479A (en)	1974-03-26	Control system
CA874751A (en)	1971-07-06	Pump control system
CA882990A (en)	1971-10-12	Refrigeration system
CA882989A (en)	1971-10-12	Refrigeration system
CA862403A (en)	1971-02-02	Refrigeration system
CA884580A (en)	1971-10-26	File control system
CA865023A (en)	1971-03-02	Control system for parallel flow