CN104601050B - A kind of speed regulating method of Oil pump electrical machinery - Google Patents

A kind of speed regulating method of Oil pump electrical machinery Download PDF

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Publication number
CN104601050B
CN104601050B CN201410822274.9A CN201410822274A CN104601050B CN 104601050 B CN104601050 B CN 104601050B CN 201410822274 A CN201410822274 A CN 201410822274A CN 104601050 B CN104601050 B CN 104601050B
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China
Prior art keywords
oil pump
electrical machinery
pump electrical
frequency
oil
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CN201410822274.9A
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CN104601050A (en
Inventor
马丁·费舍尔
矫斌
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DALIAN SHINERGY SCIENCE AND TECHNOLOGY DEVELOPMENT Co Ltd
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DALIAN SHINERGY SCIENCE AND TECHNOLOGY DEVELOPMENT Co Ltd
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Priority to CN201410822274.9A priority Critical patent/CN104601050B/en
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Classifications

    • 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
    • H02P1/00Arrangements for starting electric motors or dynamo-electric converters
    • H02P1/16Arrangements for starting electric motors or dynamo-electric converters for starting dynamo-electric motors or dynamo-electric converters
    • 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
    • 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

Abstract

A kind of speed regulating method of Oil pump electrical machinery, when S1. starting Oil pump electrical machinery, if the lubricating oil in gear-box is in high viscosity or worst cold case, the frequency of Oil pump electrical machinery is adjusted using the frequency converter being connected with Oil pump electrical machinery, the torque for running Oil pump electrical machinery reaches at or above nominal torque, and Oil pump electrical machinery starts in this case;When S2. starting Oil pump electrical machinery or Oil pump electrical machinery operation, if the lubricating oil in gear-box is in low viscosity or worst hot case, frequency converter is adjusted to the frequency of Oil pump electrical machinery so that the torque of Oil pump electrical machinery operation is less than nominal torque, and Oil pump electrical machinery starts or run in this case.The present invention is controlled according to the oil temperature and the situation of viscosity of lubrication using frequency converter to the frequency of Oil pump electrical machinery, on the one hand, lubricating oil is under low temperature, high viscosity operating mode, and Oil pump electrical machinery is in the state of larger operation torque, can smoothly start;On the other hand, lubricating oil is under high temperature, low viscosity operating mode, and the cooling effectiveness of flow increase oil of oil can be increased by improving frequency.

Description

A kind of speed regulating method of Oil pump electrical machinery
Technical field
The present invention relates to a kind of speed regulating method, more particularly to a kind of speed regulating method of Oil pump electrical machinery.
Background technology
Lubricating oil in the gear-box of wind power generator group is easily influenceed by environment temperature, during low temperature, oil body It is higher, Oil pump electrical machinery be in larger torque conditions could start, during high temperature, oil body is relatively low, Oil pump electrical machinery be in compared with Small torque conditions can just start, if running at high temperature, and Oil pump electrical machinery can maintain less torque conditions, however, existing In technology, the power of Oil pump electrical machinery is fixed, and real-time adjustment, and frequent start-stop influence electrical machinery life can not be realized to its rotating speed. , it is necessary to change Oil pump electrical machinery according to demand under different operating modes, such a method brings inconvenience to practical engineering application, both Waste of manpower, wastes material resources again.
The content of the invention
The invention provides a kind of speed regulating method of Oil pump electrical machinery, it is controlled by the running frequency to Oil pump electrical machinery, To realize that the rotating speed run to Oil pump electrical machinery is controlled, in Oil pump electrical machinery start-up course and running, according to lubricating oil The situation of temperature and viscosity so that Oil pump electrical machinery smoothly starts, and realize the purpose for saving the energy.
The technical scheme that uses to achieve the above object of the present invention for:A kind of speed regulating method of Oil pump electrical machinery, including it is as follows Step:
When S1. starting Oil pump electrical machinery, if the lubricating oil in gear-box is in high viscosity or worst cold case, using electric with oil pump The frequency converter of machine connection is adjusted to the frequency of Oil pump electrical machinery, and the frequency of reduction Oil pump electrical machinery operation makes the output of Oil pump electrical machinery Rotating speed reduces, and the torque that Oil pump electrical machinery is run is reached at or above nominal torque, Oil pump electrical machinery starts in this case;
When S2. starting Oil pump electrical machinery or Oil pump electrical machinery operation, if the lubricating oil in gear-box is in low viscosity or high temperature work Condition, frequency converter is adjusted to the frequency of Oil pump electrical machinery, the frequency that Oil pump electrical machinery is run is higher than rated frequency so that oil pump electricity The torque of machine operation is less than nominal torque, and Oil pump electrical machinery starts or run in this case.
Wherein:The normal temperature range of the lubricating oil of gear-box is:10-85 DEG C, the normal viscosity of the lubricating oil of gear-box Scope is:35-312mm2/s。
Further, in step S1, the frequency of Oil pump electrical machinery operation is the 60% of rated frequency, turn of Oil pump electrical machinery operation Square is the 70%-120% of nominal torque.
Further, the frequency of the Oil pump electrical machinery operation in step S2 is the 120% of rated frequency, Oil pump electrical machinery operation Torque is the 80% of nominal torque.
Beneficial effect:The present invention uses frequency of the frequency converter to Oil pump electrical machinery according to the oil temperature and the situation of viscosity of lubrication It is controlled, on the one hand, lubricating oil is under low temperature, high viscosity operating mode, and Oil pump electrical machinery is in the state of larger operation torque, can be with Smoothly start, without changing more powerful oil pump and Oil pump electrical machinery, Oil pump electrical machinery will not also be caused damage, on the other hand, Lubricating oil is under high temperature, low viscosity operating mode, and the cooling effectiveness of flow increase oil of oil can be increased by improving frequency.And make oil pump electricity Machine is in the state of low operation torque to save the energy.
Embodiment
In order to more clearly illustrate technical scheme, with reference to specific embodiment to the present invention furtherly It is bright.
Embodiment:A kind of speed regulating method of Oil pump electrical machinery, comprises the following steps:
When S1. starting Oil pump electrical machinery, if the lubricating oil in gear-box is in high viscosity or worst cold case, using electric with oil pump The frequency converter of machine connection is adjusted to the frequency of Oil pump electrical machinery, and the frequency of reduction Oil pump electrical machinery operation makes the output of Oil pump electrical machinery Rotating speed reduces, and the torque that Oil pump electrical machinery is run is reached at or above nominal torque, Oil pump electrical machinery starts in this case;
When S2. starting Oil pump electrical machinery or Oil pump electrical machinery operation, if the lubricating oil in gear-box is in low viscosity or high temperature work Condition, frequency converter is adjusted to the frequency of Oil pump electrical machinery, the frequency that Oil pump electrical machinery is run is higher than rated frequency so that oil pump electricity The torque of machine operation is less than nominal torque, and Oil pump electrical machinery starts or run in this case.
Wherein:The normal temperature range of the lubricating oil of gear-box is:10-85 DEG C, the normal viscosity of the lubricating oil of gear-box Scope is:35-312mm2/s。
Specifically:In step S1, the rated frequency of Oil pump electrical machinery is 50HZ, and the running frequency for making oil pump is 30HZ, oil The frequency of pump motor operation is the 60% of rated frequency, now, and the torque of Oil pump electrical machinery operation is the 70%- of nominal torque 120%.In step S2, the rated frequency of Oil pump electrical machinery is 50HZ, and the running frequency for making oil pump is 60HZ, Oil pump electrical machinery operation Frequency is the 120% of rated frequency, and the torque of Oil pump electrical machinery operation is the 80% of nominal torque.

Claims (1)

1. a kind of speed regulating method of Oil pump electrical machinery, it is characterised in that comprise the following steps:
When S1, startup Oil pump electrical machinery, if the lubricating oil in gear-box is in high viscosity or worst cold case, connect using with Oil pump electrical machinery The frequency converter connect is adjusted to the frequency of Oil pump electrical machinery, and the frequency of reduction Oil pump electrical machinery operation makes the output speed of Oil pump electrical machinery Reduce, the torque that Oil pump electrical machinery is run is reached at or above nominal torque, Oil pump electrical machinery starts in this case;
When S2, startup Oil pump electrical machinery or Oil pump electrical machinery operation, if the lubricating oil in gear-box is in low viscosity or worst hot case, become Frequency device is adjusted to the frequency of Oil pump electrical machinery, the frequency that Oil pump electrical machinery is run is higher than rated frequency so that Oil pump electrical machinery is transported Capable torque is less than nominal torque, and Oil pump electrical machinery starts or run in this case;
Wherein:The normal temperature range of the lubricating oil of gear-box is:10-85 DEG C, the normal viscosity scope of the lubricating oil of gear-box For:35-312mm2/s;
In step S1, the rated frequency of Oil pump electrical machinery is 50HZ, and the running frequency for making oil pump is 30HZ, the frequency of Oil pump electrical machinery operation Rate is the 60% of rated frequency, and the torque of Oil pump electrical machinery operation is the 70%-120% of nominal torque;
The frequency of Oil pump electrical machinery operation in step S2 is the 120% of rated frequency, and the torque of Oil pump electrical machinery operation is nominal torque 80%.
CN201410822274.9A 2014-12-24 2014-12-24 A kind of speed regulating method of Oil pump electrical machinery Active CN104601050B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201410822274.9A CN104601050B (en) 2014-12-24 2014-12-24 A kind of speed regulating method of Oil pump electrical machinery

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201410822274.9A CN104601050B (en) 2014-12-24 2014-12-24 A kind of speed regulating method of Oil pump electrical machinery

Publications (2)

Publication Number Publication Date
CN104601050A CN104601050A (en) 2015-05-06
CN104601050B true CN104601050B (en) 2017-10-31

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Family Applications (1)

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Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2009185915A (en) * 2008-02-06 2009-08-20 Hitachi Car Eng Co Ltd Motor control device for motor driven oil pump
CN103047399A (en) * 2011-09-22 2013-04-17 美闻达传动设备有限公司 A gear unit and a method for controlling a lubrication pump of a gear unit
CN103498913A (en) * 2013-10-23 2014-01-08 大连华锐重工集团股份有限公司 Wind power gear box lubricating system suitable for extreme condition
CN103711542A (en) * 2012-10-04 2014-04-09 现代自动车株式会社 System and method for controlling oil pump

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2009185915A (en) * 2008-02-06 2009-08-20 Hitachi Car Eng Co Ltd Motor control device for motor driven oil pump
CN103047399A (en) * 2011-09-22 2013-04-17 美闻达传动设备有限公司 A gear unit and a method for controlling a lubrication pump of a gear unit
CN103711542A (en) * 2012-10-04 2014-04-09 现代自动车株式会社 System and method for controlling oil pump
CN103498913A (en) * 2013-10-23 2014-01-08 大连华锐重工集团股份有限公司 Wind power gear box lubricating system suitable for extreme condition

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Effective date of registration: 20190422

Granted publication date: 20171031