CN204883446U - Permanent magnetism AC motor's inside dehydrating unit - Google Patents
Permanent magnetism AC motor's inside dehydrating unit Download PDFInfo
- Publication number
- CN204883446U CN204883446U CN201520513072.6U CN201520513072U CN204883446U CN 204883446 U CN204883446 U CN 204883446U CN 201520513072 U CN201520513072 U CN 201520513072U CN 204883446 U CN204883446 U CN 204883446U
- Authority
- CN
- China
- Prior art keywords
- control system
- permanent magnet
- motor
- wind turbine
- turbine control
- 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 - Fee Related
Links
- 230000005389 magnetism Effects 0.000 title abstract 4
- 238000004804 winding Methods 0.000 claims abstract description 25
- 238000010438 heat treatment Methods 0.000 claims abstract description 13
- 238000012544 monitoring process Methods 0.000 abstract description 3
- 238000007791 dehumidification Methods 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 3
- 230000000052 comparative effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Landscapes
- Control Of Ac Motors In General (AREA)
- Control Of Eletrric Generators (AREA)
Abstract
The utility model provides a pair of permanent magnetism AC motor's inside dehydrating unit is letting in at the inside coil winding of make full use of permanent magnetism AC motor can send out the thermal property under the galvanic circumstances, utilize temperature sensor and humidity transducer to carry out the real -time monitoring of temperature and feedback simultaneously and carry out the regulation that can control to permanent magnetism AC motor's inside humidity for major control system or variable pitch control system on acquireing the basis of data, changed among the prior art and also to have reduced product cost simultaneously through adopting the increase to pre -install the scheme that the heating brought the dehumidification outward.
Description
Technical field
The present invention relates to permanent magnet AC motor, particularly relate to a kind of for permanent magnet AC motor internal moisture removal device.
Background technology
Usually the Direct driver device of permanent magnet AC motor as variable-pitch control system can be used in wind power generating set, but in actual practice, often because ambient humidity is large, environment for use is severe, as, simultaneously because motor internal is a relatively airtight space, reason based on these two aspects very easily causes motor cannot work normally in controlled humidity range, the control how utilizing the coil winding of permanent magnet AC motor inside self to carry out humidity is rationally and effectively a feasible scheme, solve and need to dehumidify scheme by the mode of permanent magnet AC motor prepackage heating tape especially for existing motor, and then while meeting dehumidification function, reduce cost.
Summary of the invention
The object of the invention is the defect existed for above-mentioned background technology, provide a kind of based on the permanent magnet AC motor internal moisture removal device on permanent magnet AC motor Inside coil winding scheme basis.
For achieving the above object, the internal moisture removal device of a kind of permanent magnet AC motor of one of the present invention, is controlled by wind turbine control system, and it comprises a frequency converter, the coil winding of permanent magnet AC motor inside and a humidity sensor; Described frequency converter controls to realize on request to the coil winding supply dehumidifying direct current of permanent magnet AC motor inside by described wind turbine control system; Described humidity sensor is used for Real-time Collection permanent magnet AC motor interior humidity and feeds back to wind turbine control system; The coil winding of described permanent magnet AC motor inside controls to realize heating dehumidifying by described wind turbine control system.
Further, described wind turbine control system controls the arbitrary system in control system for wind power generating set master control system or wind generating set pitch control.
The internal moisture removal device of a kind of permanent magnet AC motor of the present invention two, by aerogenerator group control system, it comprises a frequency converter, the coil winding of permanent magnet AC motor inside, a temperature sensor and a humidity sensor; Described frequency converter controls to realize on request to the coil winding supply dehumidifying direct current of described permanent magnet AC motor inside by described wind turbine control system; Described temperature sensor is used for permanent magnet AC motor internal temperature described in Real-time Collection and feeds back to described wind turbine control system; Described humidity sensor is used for permanent magnet AC motor interior humidity described in Real-time Collection and feeds back to described wind turbine control system; The coil winding of described permanent magnet AC motor inside controls to realize heating dehumidifying by described wind turbine control system.
Further, described wind turbine control system controls the arbitrary system in control system for wind power generating set master control system or wind generating set pitch control.
The dehumanization method of a kind of permanent magnet AC motor internal moisture removal device use of the present invention three, it comprises:
Step 1: wind turbine control system starts frequency converter, and temperature sensor and humidity sensor gather motor internal humidity and temperature signal respectively, and feed back to described wind turbine control system;
Step 2: the moisture signal value gathering acquisition is carried out judgement with the humidity value that described wind turbine control system is preset and compared by described wind turbine control system;
Step 3: described wind turbine control system controls described frequency converter work according to comparative result, to realize by the backward described permanent magnet AC motor input dehumidifying direct current of described frequency converter process or to become oar or put away the oars by the one in alternating current;
Further, when humidity value is greater than default humidity value, enter heating work pattern, namely described wind turbine control system controls described frequency converter and carries out frequency-conversion processing to realize passing into direct current to described permanent magnet AC motor to electric current, and this electric current to be passed in the coil winding of described permanent magnet AC motor inside and only to generate heat for dehumidifying.
Further, when humidity value is less than default humidity value, described permanent magnet AC motor is in normal operating conditions, and namely described wind turbine control system controls described frequency converter and passes into permanent magnet AC motor and become oar or put away the oars and use alternating current.
Further, described temperature sensor is used for the temperature signal feeding back described permanent magnet AC motor inside in real time to described wind turbine control system, and whether multilevel iudge is greater than the temperature value that described wind turbine control system is preset, as as described in the temperature signal value that gathers of temperature sensor be greater than default temperature value, then stop passing into direct current to coil winding.
In sum, the internal moisture removal device of a kind of permanent magnet AC motor provided by the invention is passing in galvanic situation and can send out thermal property making full use of the coil winding in permanent magnet AC motor, the adjustment simultaneously utilizing temperature sensor and humidity sensor to carry out the real-time monitoring and feedback of temperature to carry out the interior humidity of permanent magnet AC motor on the basis obtaining data for master control system or variable-pitch control system controlling, changes in prior art and increases extra prepackage heating bring the scheme of dehumidifying to also reduce cost of products simultaneously by adopting.
Accompanying drawing explanation
Fig. 1 is the internal moisture removal device frame schematic diagram of a kind of permanent magnet AC motor of the present invention.
Fig. 2 is the internal moisture removal method flow schematic diagram of a kind of permanent magnet AC motor of the present invention.
Embodiment
By describing technology contents of the present invention, structural attitude in detail, being reached object and effect, hereby exemplify embodiment below and coordinate accompanying drawing to be explained in detail.
Refer to Fig. 1 and Fig. 2, the internal moisture removal device of a kind of permanent magnet AC motor of one of the present invention, by wind turbine control system, it comprises a frequency converter, the coil winding of permanent magnet AC motor inside, a temperature sensor and a humidity sensor.
Described frequency converter controls to realize on request to the coil winding supply dehumidifying direct current of described permanent magnet AC motor inside by described wind turbine control system.
Described temperature sensor is used for permanent magnet AC motor internal temperature described in Real-time Collection and feeds back to described wind turbine control system.
Described humidity sensor is used for permanent magnet AC motor interior humidity described in Real-time Collection and feeds back to described wind turbine control system;
The coil winding of described permanent magnet AC motor inside controls to realize heating dehumidifying by described wind turbine control system.
Under normal condition, namely humidity does not affect alternating current generator when normally working, the alternating current that described frequency converter requires to described permanent magnet AC motor input service under described wind turbine control system control, and then guarantee can carry out the change oar of wind power generating set or action of putting away the oars as requested.
Described wind turbine control system controls the arbitrary system in control system for wind power generating set master control system or wind generating set pitch control.
(gathered the humidity of described permanent magnet AC motor inside and temperature respectively by described humidity sensor and described temperature sensor and fed back to described wind turbine control system when described permanent magnet AC motor interior humidity is greater than preset value when permanent magnet AC motor normally works and judge to compare), described wind turbine control system controls by the direct current of described frequency converter to described permanent magnet AC motor input requirements, and this direct current enters coil winding and then reaches the object of heating dehumidifying.
The internal moisture removal method of a kind of permanent magnet AC motor of the present invention two, it comprises:
Step 1: wind turbine control system starts frequency converter, and temperature sensor and humidity sensor gather permanent magnet AC motor interior humidity and temperature respectively, and feed back to described wind turbine control system;
Step 2: humidity value default with this wind turbine control system to the moisture signal value and temperature signal value that gather acquisition and temperature value are carried out judgement and compare by described wind turbine control system;
Step 3: described wind turbine control system controls described frequency converter work according to comparative result, to realize by the backward described permanent magnet AC motor input dehumidifying direct current of described frequency converter process or to become oar or put away the oars by the one in alternating current;
Particularly, when humidity value is greater than default humidity value, enter heating work pattern, namely described wind turbine control system controls described frequency converter and processes rear realization to electric current and pass into direct current to described permanent magnet AC motor, and this electric current is passed in the coil winding of described permanent magnet AC motor inside for heating dehumidifying.
When humidity value is less than default humidity value, described permanent magnet AC motor is in normal operating conditions, and namely described wind turbine control system controls described frequency converter and passes into described permanent magnet AC motor and become oar or put away the oars and use alternating current.
Described temperature sensor is used for the temperature signal feeding back described permanent magnet AC motor inside in real time to described wind turbine control system, and whether multilevel iudge is greater than the temperature value that described wind turbine control system is preset,
As described in the temperature signal value that gathers of temperature sensor be greater than default temperature value, then stop the coil winding to described permanent magnet AC motor inside to pass into direct current.
In sum, the coil winding that internal moisture removal device is making full use of permanent magnet AC motor inside of a kind of permanent magnet AC motor provided by the invention is passing in galvanic situation and can send out thermal property, utilize temperature sensor and humidity sensor to carry out the real-time monitoring and feedback of temperature simultaneously and the adjustment that can control is carried out to the interior humidity of permanent magnet AC motor for master control system or variable-pitch control system obtaining on data basis, change in prior art and increase extra prepackage heating bring the scheme of dehumidifying to also reduce cost of products simultaneously by adopting.
Above-described technical scheme is only the preferred embodiment of the interior humidity dehydrating unit of a kind of permanent magnet AC motor of the present invention, and any equivalent transformation of doing on the interior humidity dehydrating unit basis of a kind of permanent magnet AC motor of the present invention or replacement are included within the scope of the claim of this patent.
Claims (4)
1. an internal moisture removal device for permanent magnet AC motor, is controlled by wind turbine control system, it is characterized in that: the internal moisture removal device of this permanent magnet AC motor comprises a frequency converter, the coil winding of permanent magnet AC motor inside and a humidity sensor;
Described frequency converter controls to realize on request to the coil winding supply dehumidifying direct current of described permanent magnet AC motor inside by described wind turbine control system;
Described humidity sensor is used for permanent magnet AC motor interior humidity described in Real-time Collection and feeds back to described wind turbine control system;
The coil winding of described permanent magnet AC motor inside is controlled to realize heating dehumidifying by wind turbine control system.
2. the internal moisture removal device of a kind of permanent magnet AC motor according to claim 1, is characterized in that: described wind turbine control system controls the arbitrary system in control system for wind power generating set master control system or wind generating set pitch control.
3. the internal moisture removal device of a permanent magnet AC motor, controlled by aerogenerator group control system, it is characterized in that: the internal moisture removal device of this permanent magnet AC motor comprises a frequency converter, the coil winding of permanent magnet AC motor inside, a temperature sensor and a humidity sensor;
Described frequency converter controls to realize on request to the coil winding supply dehumidifying direct current of described permanent magnet AC motor inside by described wind turbine control system;
Described temperature sensor is used for permanent magnet AC motor internal temperature described in Real-time Collection and feeds back to described wind turbine control system;
Described humidity sensor is used for permanent magnet AC motor interior humidity described in Real-time Collection and feeds back to described wind turbine control system;
The coil winding of described permanent magnet AC motor inside is controlled to realize heating dehumidifying by wind turbine control system.
4. the internal moisture removal device of a kind of permanent magnet AC motor according to claim 3, is characterized in that: described wind turbine control system controls the arbitrary system in control system for wind power generating set master control system or wind generating set pitch control.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520513072.6U CN204883446U (en) | 2015-07-15 | 2015-07-15 | Permanent magnetism AC motor's inside dehydrating unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520513072.6U CN204883446U (en) | 2015-07-15 | 2015-07-15 | Permanent magnetism AC motor's inside dehydrating unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204883446U true CN204883446U (en) | 2015-12-16 |
Family
ID=54827802
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520513072.6U Expired - Fee Related CN204883446U (en) | 2015-07-15 | 2015-07-15 | Permanent magnetism AC motor's inside dehydrating unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204883446U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106339019A (en) * | 2015-07-15 | 2017-01-18 | 成都阜特科技股份有限公司 | Internal dehumidification device and dehumidification method of permanent magnet AC motor |
| CN110735869A (en) * | 2019-10-21 | 2020-01-31 | 诸暨市迅捷离合器有限公司 | Permanent-magnet power-off brake for stabilizing power supply |
| CN111799955A (en) * | 2020-08-05 | 2020-10-20 | 安徽省驷马山引江工程管理处 | Dehumidification device for electromechanical equipment of large and medium-sized pump station |
-
2015
- 2015-07-15 CN CN201520513072.6U patent/CN204883446U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106339019A (en) * | 2015-07-15 | 2017-01-18 | 成都阜特科技股份有限公司 | Internal dehumidification device and dehumidification method of permanent magnet AC motor |
| CN110735869A (en) * | 2019-10-21 | 2020-01-31 | 诸暨市迅捷离合器有限公司 | Permanent-magnet power-off brake for stabilizing power supply |
| CN110735869B (en) * | 2019-10-21 | 2021-01-08 | 诸暨市迅捷离合器有限公司 | Permanent-magnet power-off brake for stabilizing power supply |
| CN111799955A (en) * | 2020-08-05 | 2020-10-20 | 安徽省驷马山引江工程管理处 | Dehumidification device for electromechanical equipment of large and medium-sized pump station |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103744455B (en) | Intelligent temperature control system for welding machine and welding method thereof | |
| CN204883446U (en) | Permanent magnetism AC motor's inside dehydrating unit | |
| US10088187B2 (en) | Monitoring system for air conditioning systems based on distributed power generation and air conditioning system using same | |
| CN103941663A (en) | Method and system for controlling household appliances | |
| MX2015012279A (en) | Controller for automatic control of duty cycled hvac&r equipment, and systems and methods using same. | |
| CN202735877U (en) | Nuclear power plant digital control rod control system based on field programmable gate array (FPGA) and digital signal processing (DSP) controller | |
| EP2573894A3 (en) | Method and systems for operating a power generation and delivery system | |
| CN106339019A (en) | Internal dehumidification device and dehumidification method of permanent magnet AC motor | |
| CN104236916B (en) | Load test system of generator for engine | |
| CN104950944A (en) | Temperature control system of wire drawing machine | |
| CN205266559U (en) | Automatic cooling system | |
| WO2015003771A1 (en) | Method for regulating the power of an energy system and device for regulating the power of same | |
| JP5606645B1 (en) | Target value setting type demand power proportional control device | |
| CN203083335U (en) | Temperature and humidity automatic control device of tunnel drying oven | |
| CN205957391U (en) | Air quality optimization system | |
| CN204787470U (en) | Air conditioner refrigerated water economizer system | |
| CN203081875U (en) | Air weight control device and base used on bladeless fan and bladeless fan | |
| CN105302181A (en) | Electric power tunnel cable temperature control system and method | |
| CN211149298U (en) | Distributed control system capable of automatically adjusting indoor temperature and humidity of cabinet | |
| CN205158087U (en) | Eat material sculpture control system | |
| CN205478486U (en) | Air -blower variable frequency control device based on power frequency motor | |
| CN102794259A (en) | Drying tunnel intelligent control cabinet and control system thereof | |
| CN105438892B (en) | A kind of tension control system of the take-up applied to glass-coated microwire wire drawing machine | |
| CN204989927U (en) | Big -arch shelter detecting system | |
| CN205563318U (en) | Indoor temperature governing system based on PLC control |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151216 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |