CN106339019A - Internal dehumidification device and dehumidification method of permanent magnet AC motor - Google Patents
Internal dehumidification device and dehumidification method of permanent magnet AC motor Download PDFInfo
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- CN106339019A CN106339019A CN201510415971.7A CN201510415971A CN106339019A CN 106339019 A CN106339019 A CN 106339019A CN 201510415971 A CN201510415971 A CN 201510415971A CN 106339019 A CN106339019 A CN 106339019A
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- permanent magnet
- motor
- control system
- wind turbine
- turbine control
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Abstract
The invention provides an internal dehumidification device and an internal dehumidification method of a permanent magnet AC motor. On the basis of fully utilizing the feature that a coil winding inside the permanent magnet AC motor can generate heat when being applied with a direct current, and utilizing a temperature sensor and a humidity sensor for carrying out real-time temperature monitoring and feedback so that a main control system or a variable pitch control system can obtain data, the internal dehumidification device and the internal dehumidification method perform controllable adjustment on internal humidity of the permanent magnet AC motor, change the scheme for dehumidification by additionally arranging a pre-installed heating belt in the prior art, and reduce product cost.
Description
Technical field
The present invention relates to permanent magnet AC motor, more particularly, to one kind is for permanent magnet AC motor
Internal moisture removal device and its dehumanization method.
Background technology
Permanent magnet AC motor would generally be used as variable pitch control in wind power generating set
The direct drive device of system, but in actual practice, often due to ambient humidity big,
Use environment is severe, e.g., simultaneously because motor internal is a relatively airtight space, base
Easily cause motor normal in controlled humidity range in the reason these two aspects
How work, rationally and effectively carried out using the internal coil windings of itself of permanent magnet AC motor
The control of humidity is a feasible scheme, solves and needs especially to use for existing motor
Permanent magnet AC motor pre-installs the mode of heating tape come the scheme of dehumidifying, and then meets dehumidification function
Meanwhile, reduce cost.
Content of the invention
The purpose of the present invention is the defect existing for above-mentioned background technology, provides one kind to be based on
Remove inside permanent magnet AC motor on permanent magnet AC motor Inside coil winding scheme basis
Wet device and its dehumanization method.
For achieving the above object, the internal moisture removal of a kind of permanent magnet AC motor of one of present invention
Device, by wind turbine control system control, it includes a converter, permanent magnet AC
The coil windings of motor internal and a humidity sensor；Described converter is subject to described wind-power electricity generation
Unit control system control with realize on request to the coil within to permanent magnet AC motor around
Group supply dehumidifying unidirectional current；Described humidity sensor is used for Real-time Collection permanent magnet AC motor
Interior humidity simultaneously feeds back to wind turbine control system；Inside described permanent magnet AC motor
Coil windings by described wind turbine control system control with realize heating dehumidifying.
Further, described wind turbine control system is controlled to wind power generating set master
The control system or wind generating set pitch control any system in control system.
A kind of internal moisture removal device of permanent magnet AC motor of the two of the present invention, a kind of permanent magnetism is handed over
Stream motor internal moisture removal device, by wind power generating set control system, it include a converter,
Coil windings within permanent magnet AC motor, a temperature sensor and a humidity sensor；Institute
Stating converter controlled to realize on request to institute by described wind turbine control system
State the winding coil supply dehumidifying unidirectional current within permanent magnet AC motor；Described temperature sensing
Device is used for permanent magnet AC motor internal temperature described in Real-time Collection and feeds back to described wind-force and send out
Motor set control system；Described humidity sensor is used for permanent magnet AC motor described in Real-time Collection
Interior humidity simultaneously feeds back to described wind turbine control system；Described permanent magnet AC motor
Internal coil windings are controlled by described wind turbine control system to be removed with realizing heating
Wet.
Further, described wind turbine control system is controlled to wind power generating set master
The control system or wind generating set pitch control any system in control system.
A kind of internal moisture removal method of the permanent magnet AC motor of the three of the present invention, comprising:
Step 1: wind turbine control system starts described converter, temperature sensor
And humidity sensor gathers motor internal humidity and temperature signal respectively, and feed back to described wind
Power generator set control system；
Step 2: described wind turbine control system will gather the moisture signal value obtaining
Humidity value default with described wind turbine control system carries out judgement and compares；
Step 3: described wind turbine control system controls described change according to comparative result
Frequency device works, to realize processing described permanent magnet AC motor input backward by described converter
Dehumidifying unidirectional current or become oar or put away the oars with one of alternating current.
Further, when humidity value is more than default humidity value, enter heating work pattern,
I.e. described wind turbine control system controls described converter that electric current is carried out at frequency conversion
To realize being passed through unidirectional current to described permanent magnet AC motor, this electric current is passed into described permanent magnetism to reason
Only for dehumidifying heating in coil windings within alternating current generator.
Further, when humidity value is less than default humidity value, described permanent magnet AC motor
It is in normal operating conditions, that is, described wind turbine control system controls described converter
It is passed through change oar to permanent magnet AC motor or put away the oars and use alternating current.
Further, described temperature sensor is used for controlling to described wind power generating set in real time
Temperature signal within permanent magnet AC motor described in system feedback, and whether multilevel iudge greatly should
In the default temperature value of described wind turbine control system, as described temperature sensor is adopted
The temperature signal value of collection is more than default temperature value, then stop to permanent magnetism swine flu motor internal
Coil windings are passed through unidirectional current.
In sum, the present invention provide a kind of internal moisture removal device of permanent magnet AC motor and
Its dehumanization method is being passed through direct current making full use of the coil windings within permanent magnet AC motor
Thermal property can be sent out in the case of electricity, be entered using temperature sensor and humidity sensor simultaneously
Trip temperature monitoring in real time is with feedback so that master control system or variable-pitch control system are obtaining
On the basis of fetching data, the interior humidity of permanent magnet AC motor is carried out with the regulation that can control,
Change in prior art by bringing the scheme of dehumidifying same using increase extra prepackage heating
When also reduce product cost.
Brief description
Fig. 1 is a kind of internal moisture removal device frame schematic diagram of permanent magnet AC motor of the present invention.
Fig. 2 is a kind of internal moisture removal method flow schematic diagram of permanent magnet AC motor of the present invention.
Specific embodiment
For describing technology contents, structural features, institute's reached purpose and the effect of the present invention in detail,
Hereinafter hereby enumerate embodiment and coordinate accompanying drawing to be explained in detail.
Refer to Fig. 1 and Fig. 2, a kind of inside of permanent magnet AC motor of one of present invention is removed
Wet device, by wind turbine control system, it includes a converter, permanent magnet AC
Coil windings within machine, a temperature sensor and a humidity sensor.
Described converter is controlled to realize on request by described wind turbine control system
Supply work exchange electricity or dehumidifying to the coil windings within to described permanent magnet AC motor
Use unidirectional current.
Described temperature sensor is used for permanent magnet AC motor internal temperature described in Real-time Collection simultaneously
Feed back to described wind turbine control system.
Described humidity sensor is used for permanent magnet AC motor interior humidity described in Real-time Collection simultaneously
Feed back to described wind turbine control system；
Coil windings within described permanent magnet AC motor are controlled by described wind power generating set
System controls to realize heating dehumidifying.
Under normal condition, in the case that is, humidity does not affect alternating current generator normal work, described
Converter is under described wind turbine control system controls to described permanent magnet AC motor
The alternating current that input service requires, and then guarantee can carry out wind power generating set as requested
Change oar or action of putting away the oars.
Described wind turbine control system is controlled to wind power generating set master control system
Or any system in control system for the wind generating set pitch control.
When described permanent magnet AC motor interior humidity is more than permanent magnet AC motor normal work
Preset value when (described in described humidity sensor and described temperature sensor gather respectively forever
Humidity within magnetic alternating current generator and temperature simultaneously feed back to described wind power generating set and control system
System judgement is compared), described wind turbine control system passes through described converter to described
Permanent magnet AC motor input dc power, this unidirectional current enters coil windings and then reaches heating and remove
Wet purpose.
A kind of internal moisture removal method of the permanent magnet AC motor of the two of the present invention, comprising:
Step 1: described wind turbine control system starts converter, described temperature passes
Sensor and described humidity sensor gather described permanent magnet AC motor interior humidity and temperature respectively
Degree, and feed back to described wind turbine control system；
Step 2: described wind turbine control system will gather the moisture signal value obtaining
And temperature signal value and the default humidity value of this wind turbine control system and temperature value
Carry out judgement to compare；
Step 3: described wind turbine control system controls described change according to comparative result
Frequency device works, to realize processing described permanent magnet AC motor input backward by described converter
Dehumidifying unidirectional current or become oar or put away the oars with one of alternating current；
Specifically, when humidity value is more than default humidity value, enter heating work pattern,
After i.e. described wind turbine control system controls described converter that electric current is processed
Realize being passed through unidirectional current to described permanent magnet AC motor, this electric current is passed into described permanent magnet AC
For heating dehumidifying in the coil windings of motor internal.
When humidity value is less than default humidity value, described permanent magnet AC motor is in normal work
Make state, that is, described wind turbine control system controls described converter to described permanent magnetism
Alternating current generator is passed through change oar or puts away the oars and use alternating current.
Described temperature sensor is used in real time to described wind turbine control system feedback
Temperature signal within described permanent magnet AC motor, and whether multilevel iudge is more than described wind-force
The default temperature value of gen-set control system,
Temperature signal value as described temperature sensor collection is more than default temperature value, then stop
Only the coil windings within to described permanent magnet AC motor are passed through unidirectional current.
In sum, the present invention provide a kind of internal moisture removal device of permanent magnet AC motor and
Its dehumanization method is being passed through direct current making full use of the coil windings within permanent magnet AC motor
Thermal property can be sent out in the case of electricity, be entered using temperature sensor and humidity sensor simultaneously
Trip temperature monitoring in real time is with feedback so that master control system or variable-pitch control system are obtaining
On the basis of fetching data, the interior humidity of permanent magnet AC motor is carried out with the regulation that can control,
Change in prior art by bringing the scheme of dehumidifying same using increase extra prepackage heating
When also reduce product cost.
It is wet that techniques discussed above scheme is only a kind of inside of permanent magnet AC motor of the present invention
Degree dehydrating unit and its dehumanization method preferred embodiment, any a kind of permanent magnetism of the present invention hand over
The equivalent transformation made on the basis of the interior humidity dehydrating unit of stream motor and its dehumanization method
Or replacement is included within the scope of the claim of this patent.
Claims (8)
1. the internal moisture removal device of a kind of permanent magnet AC motor, controls system by wind power generating set
System control it is characterised in that: coil windings within a converter, permanent magnet AC motor and
One humidity sensor；
Described converter is controlled to realize on request by described wind turbine control system
To the coil windings supply dehumidifying unidirectional current within to described permanent magnet AC motor；
Described temperature sensor is used for permanent magnet AC motor internal temperature described in Real-time Collection simultaneously
Feed back to described wind turbine control system；
Coil windings within described permanent magnet AC motor are by wind turbine control system
Control to realize heating dehumidifying.
2. the internal moisture removal device of a kind of permanent magnet AC motor according to claim 1,
It is characterized in that: described wind turbine control system is controlled to wind power generating set master control
The system processed or wind generating set pitch control any system in control system.
3. the internal moisture removal device of a kind of permanent magnet AC motor, by wind power generating set control system,
It is characterized in that: the coil windings within a converter, permanent magnet AC motor, a temperature pass
Sensor and a humidity sensor；
Described converter is controlled to realize on request by described wind turbine control system
To the coil windings supply dehumidifying unidirectional current within to described permanent magnet AC motor；
Described temperature sensor is used for permanent magnet AC motor internal temperature described in Real-time Collection simultaneously
Feed back to described wind turbine control system；
Described humidity sensor is used for permanent magnet AC motor interior humidity described in Real-time Collection simultaneously
Feed back to described wind turbine control system；
Coil windings within described permanent magnet AC motor are by wind turbine control system
Control to realize heating dehumidifying.
4. the internal moisture removal device of a kind of permanent magnet AC motor according to claim 3,
It is characterized in that: described wind turbine control system is controlled to wind power generating set master control
The system processed or wind generating set pitch control any system in control system.
5. a kind of internal moisture removal method of permanent magnet AC motor, comprising:
Step 1: wind turbine control system starts converter, temperature sensor and wet
Spend sensor and gather motor internal humidity and temperature signal respectively, and feed back to described wind-force and send out
Motor set control system；
Step 2: described wind turbine control system will gather the moisture signal value obtaining
Humidity value default with this wind turbine control system carries out judgement and compares；
Step 3: described wind turbine control system controls described change according to comparative result
Frequency device works, to realize processing described permanent magnet AC motor input backward by described converter
Dehumidifying unidirectional current or become oar or put away the oars with one of alternating current.
6. the internal moisture removal method of a kind of permanent magnet AC motor according to claim 5,
It is characterized in that: when humidity value is more than default humidity value, enter heating work pattern,
I.e. described wind turbine control system controls described converter that electric current is carried out at frequency conversion
To realize being passed through unidirectional current to described permanent magnet AC motor, this electric current is passed into described permanent magnetism to reason
Only for dehumidifying heating in the coil windings of alternating current generator.
7. the internal moisture removal side of a kind of permanent magnet AC motor according to claim 5 or 6
Method it is characterised in that: when humidity value be less than default humidity value when, described permanent magnet AC
Machine is in normal operating conditions, and that is, described wind turbine control system controls described frequency conversion
Device is passed through described permanent magnet AC motor to permanent magnet AC motor and becomes oar or put away the oars and use alternating current.
8. the internal moisture removal method of a kind of permanent magnet AC motor according to claim 5,
It is characterized in that: described temperature sensor is used for controlling system to described wind power generating set in real time
System feeds back the internal temperature signal of described permanent magnet AC motor, and multilevel iudge whether greatly this in
The default temperature value of wind turbine control system, as the temperature of described temperature sensor collection
Degree signal value is more than default temperature value, then stop coil within to permanent magnet AC motor around
Group is passed through unidirectional current.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510415971.7A CN106339019A (en) | 2015-07-15 | 2015-07-15 | Internal dehumidification device and dehumidification method of permanent magnet AC motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510415971.7A CN106339019A (en) | 2015-07-15 | 2015-07-15 | Internal dehumidification device and dehumidification method of permanent magnet AC motor |
Publications (1)
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| CN106339019A true CN106339019A (en) | 2017-01-18 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510415971.7A Pending CN106339019A (en) | 2015-07-15 | 2015-07-15 | Internal dehumidification device and dehumidification method of permanent magnet AC motor |
Country Status (1)
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| CN (1) | CN106339019A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106787660A (en) * | 2017-02-08 | 2017-05-31 | 深圳市海浦蒙特科技有限公司 | Frequency converter and its dehumanization method |
| CN106973202A (en) * | 2017-04-21 | 2017-07-21 | 信利光电股份有限公司 | A kind of camera module and Defrost method |
| CN112181005A (en) * | 2020-09-30 | 2021-01-05 | 上海僖舜莱机电设备制造有限公司 | Humidity control method and system for permanent magnet motor |
Citations (5)
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| JPS6474043A (en) * | 1987-09-14 | 1989-03-20 | Kawasaki Steel Co | Moisture absorption managing method for rotary machine |
| CN101478202A (en) * | 2008-01-02 | 2009-07-08 | 新疆金风科技股份有限公司 | Heating and dehumidifying method and apparatus for motor |
| CN202177838U (en) * | 2011-08-30 | 2012-03-28 | 南车株洲电力机车研究所有限公司 | Environmental control system of electric cabinet of wind turbines |
| CN104377911A (en) * | 2014-11-18 | 2015-02-25 | 新疆金风科技股份有限公司 | Humidity removing method, device and system of wind driven generator |
| CN204883446U (en) * | 2015-07-15 | 2015-12-16 | 成都阜特科技股份有限公司 | Permanent magnetism AC motor's inside dehydrating unit |
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2015
- 2015-07-15 CN CN201510415971.7A patent/CN106339019A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6474043A (en) * | 1987-09-14 | 1989-03-20 | Kawasaki Steel Co | Moisture absorption managing method for rotary machine |
| CN101478202A (en) * | 2008-01-02 | 2009-07-08 | 新疆金风科技股份有限公司 | Heating and dehumidifying method and apparatus for motor |
| CN202177838U (en) * | 2011-08-30 | 2012-03-28 | 南车株洲电力机车研究所有限公司 | Environmental control system of electric cabinet of wind turbines |
| CN104377911A (en) * | 2014-11-18 | 2015-02-25 | 新疆金风科技股份有限公司 | Humidity removing method, device and system of wind driven generator |
| CN204883446U (en) * | 2015-07-15 | 2015-12-16 | 成都阜特科技股份有限公司 | Permanent magnetism AC motor's inside dehydrating unit |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106787660A (en) * | 2017-02-08 | 2017-05-31 | 深圳市海浦蒙特科技有限公司 | Frequency converter and its dehumanization method |
| CN106973202A (en) * | 2017-04-21 | 2017-07-21 | 信利光电股份有限公司 | A kind of camera module and Defrost method |
| CN106973202B (en) * | 2017-04-21 | 2020-03-13 | 信利光电股份有限公司 | Camera module and defrosting method |
| CN112181005A (en) * | 2020-09-30 | 2021-01-05 | 上海僖舜莱机电设备制造有限公司 | Humidity control method and system for permanent magnet motor |
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Application publication date: 20170118 |