CN106372338B - Circulating cooling air quantity optimization method in a kind of wind-driven generator - Google Patents
Circulating cooling air quantity optimization method in a kind of wind-driven generator Download PDFInfo
- Publication number
- CN106372338B CN106372338B CN201610802040.7A CN201610802040A CN106372338B CN 106372338 B CN106372338 B CN 106372338B CN 201610802040 A CN201610802040 A CN 201610802040A CN 106372338 B CN106372338 B CN 106372338B
- Authority
- CN
- China
- Prior art keywords
- air circulation
- wind
- interior
- period
- motor
- 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.)
- Active
Links
Classifications
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F30/00—Computer-aided design [CAD]
- G06F30/20—Design optimisation, verification or simulation
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F30/00—Computer-aided design [CAD]
- G06F30/10—Geometric CAD
- G06F30/17—Mechanical parametric or variational design
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Geometry (AREA)
- General Physics & Mathematics (AREA)
- Evolutionary Computation (AREA)
- General Engineering & Computer Science (AREA)
- Computer Hardware Design (AREA)
- Computational Mathematics (AREA)
- Mathematical Analysis (AREA)
- Mathematical Optimization (AREA)
- Pure & Applied Mathematics (AREA)
- Motor Or Generator Cooling System (AREA)
- Control Of Eletrric Generators (AREA)
Abstract
The present invention relates to circulating cooling air quantity optimization methods in a kind of wind-driven generator comprising following steps: step 1: establishing the temperature calculation models of wind-driven generator, step 2: the working time of wind-driven generator is divided into limited period；Step 3: within same a period, calculating the motor temperature in difference under air circulation；Within same a period, the copper wastage in difference under air circulation is calculated；Step 5: within same a period, ventilating power under air circulation in calculating difference；Step 6: within same a period, determining interior air circulation when loss is minimum；Step 7: determining the frequency of circulation wind turbine in logical；Step 8: entering next period, repeat the calculating process that step 3 arrives step 7.The working time of wind-driven generator is divided into limited period by the present invention, in conjunction with the operation data in different time periods of wind-driven generator, to change interior air circulation, reduces the power of circulation wind turbine in logical.
Description
Technical field
The invention belongs to circulating cooling air quantity in technical field of wind power generator more particularly to a kind of permanent-magnetic wind driven generator
Optimization method.
Background technique
Motor is internal in operation to carry out energy conversion, and the various losses that when operation generates will finally be transformed into heat
Can, so that motor all parts is generated heat, the temperature rise of motor is to directly affect motor insulation life, it is related to the reliable of motor operation
Property and service life.Large directly driven permanent magnet wind generating at capacity lower (be less than 3MW), motor directly pass through ambient wind carry out it is cold
But, additional heat dissipation equipment is not needed.But with the raising of motor single-machine capacity, loss when motor operation is gradually increased,
The temperature of each component of motor is increased, cooling is carried out by ambient wind merely and has been not enough to reduce motor temperature rise, generally in motor
The logical circulated air in inside carries out supplement heat rejecter.Due to unsuitable optimization method, air circulation is according to motor volume inside motor
Determine determination when operating condition, which can guarantee that motor temperature rise in declared working condition is no more than limit value.But ambient wind velocity with
When changing, and the most of the time is respectively less than rated wind speed, and motor work is generally operational in declared working condition hereinafter, if wind-force
Inside air circulation when generator is all made of declared working condition within the entire working time necessarily will cause certain inside circulation
The waste of air quantity.
Summary of the invention
It is of the existing technology the purpose of the invention is to overcome the problems, such as, provide a kind of optimization inside air circulation forever
Circulating cooling air quantity optimization method in magnetism type wind driven generator.
To achieve the goals above, the technical scheme is that, circulating cooling air quantity optimization in a kind of wind-driven generator
Method, comprising the following steps:
Step 1: establishing the temperature calculation models of wind-driven generator, the model is using Re Lufa or thermal network method to motor
Carry out temperature computation, ambient wind velocity, environment temperature, just estimate interior air circulation under the conditions of, obtain each grid node of motor
Temperature；The influence of motor temperature is wherein considered when calculating the loss of electric machine, which can be in certain ambient wind velocity, ring
Under the conditions of border temperature, interior air circulation, the temperature of each grid node of motor is calculated, wherein for specific wind-resources condition,
Ambient wind velocity, environment temperature be it is determining, interior air circulation is artificially determining；
Step 2: the working time of wind-driven generator being divided into limited period, is counted since first period
It calculates；
Step 3: within same a period, the motor temperature in difference under air circulation is calculated, using the model of step 1,
It is linear in a certain range to change interior air circulation, calculate the motor temperature in difference under air circulation；
Step 4: within same a period, calculate the copper wastage in difference under air circulation, according to step 3 obtain around
Group mean temperature calculates copper wastage when air circulation in the corresponding difference of step 3；
Step 5: within same a period, ventilating power under air circulation in calculating difference, according to the difference of step 3 use
Interior air circulation calculates the ventilating power of interior circulated air；
Step 6: within same a period, determining interior air circulation when loss is minimum, the copper wastage that step 4 is calculated
With being added for the ventilating power of step 5 calculating, the sum of two kinds of losses under air circulation in difference is obtained, it is corresponding to find minimum value
Interior air circulation is the optimal interior air circulation of the time step；
Step 7: determining the frequency of circulation wind turbine in logical, change ventilation by changing the frequency of circulation wind turbine in logical
The revolving speed of motor, to meet the interior air circulation that step 6 obtains；
Step 8: entering next period, repeat the calculating process that step 3 arrives step 7.
Preferably, the calculation formula of copper wastage is in the step 4,
P in formulaCuFor copper wastage, I is electric machine phase current, R75The phase resistance for being motor stator at 75 °, TCuFor stator
Winding mean temperature.
Preferably, interior circulated air ventilating power calculation formula in the step 5 are as follows:
Pw=HQ=ZQ3
P in formulawFor the ventilating power of interior circulated air, H is interior circulated air wind pressure, and Q is interior air circulation, and Z is motor ventilation
Windage.
Effect of the invention is the working time of wind-driven generator to be divided into limited period, in conjunction with wind-power electricity generation
The operation data in different time periods of machine reduces the power of circulation wind turbine in logical, realizes forever to change interior air circulation
Circulating cooling air quantity optimizes in magnetism type wind driven generator, provides help for the efficiency optimization of wind-driven generator complete machine.
Detailed description of the invention
Fig. 1 is flow chart of the embodiment of the present invention.
Specific embodiment
With reference to the accompanying drawing and specific embodiment the present invention will be further described.
Referring to attached drawing, circulating cooling air quantity optimization method in a kind of wind-driven generator, comprising the following steps:
Step 1: establish the temperature calculation models of wind-driven generator, the model using Re Lufa or thermal network method to motor into
Trip temperature calculate, ambient wind velocity, environment temperature, just estimate interior air circulation under the conditions of, obtain each grid node of motor
Temperature；The influence of motor temperature is wherein considered when calculating the loss of electric machine, which can be in certain ambient wind velocity, environment
Under the conditions of temperature, interior air circulation, the temperature of each grid node of motor is calculated, wherein for specific wind-resources condition, ring
Border wind speed, environment temperature be it is determining, interior air circulation is artificially determining；
Step 2: the working time of wind-driven generator being divided into limited period, is counted since first period
It calculates；
Take the wind-resources condition of certain wind field for a period of time, totally 25 hours, including environment temperature, ambient wind velocity.Each time
Section is 0.5 hour, totally 50 periods, is calculated since first 0.5 hour period.
Step 3: within same a period, the motor temperature in difference under air circulation is calculated, using the model of step 1,
It is linear in a certain range to change interior air circulation, calculate the motor temperature in difference under air circulation；
The interior air circulation range calculated is 0.5m3/ s to 2.5m3/ s, wherein interior air circulation lower limit 0.5m3/ s is complete machine
The minimum value of system requirements, interior air circulation upper limit 2.5m3Maximum value/s required when being wind-driven generator most extreme operating condition,
Every 0.01m within the scope of this3/ s takes a point to calculate, and totally 201 interior air circulations calculate point.Obtain 201 it is different in follow
Motor temperature when ring air quantity extracts motor stator winding mean temperature.
Within first period, stator winding mean temperature result such as table one in difference when air circulation is every in table
A value is taken every 10 points, totally 21 points.
| Interior air circulation | 0.5 | 0.6 | 0.7 | 0.8 | 0.9 | 1 | 1.1 |
| Winding mean temperature | 100.9 | 99.2 | 97.7 | 96.5 | 95.4 | 94.5 | 93.7 |
| Interior air circulation | 1.2 | 1.3 | 1.4 | 1.5 | 1.6 | 1.7 | 1.8 |
| Winding mean temperature | 92.9 | 92.2 | 91.6 | 91 | 90.4 | 89.9 | 89.4 |
| Interior air circulation | 1.9 | 2 | 2.1 | 2.2 | 2.3 | 2.4 | 2.5 |
| Winding mean temperature | 88.9 | 88.5 | 88.1 | 87.7 | 87.3 | 86.9 | 86.5 |
Table one (temperature unit be DEG C, air quantity unit be m3/s)
Step 4: within same a period, calculate the copper wastage in difference under air circulation, according to step 3 obtain around
Group mean temperature calculates copper wastage when air circulation in the corresponding difference of step 3；
Copper wastage is calculated using following equation,
P in formulaCuFor copper wastage, I is electric machine phase current,R75The phase resistance for being motor stator at 75 DEG C, TCuFor stator
Winding mean temperature；
Embodiment operating condition I is 803A, R75=0.0555 Ω.
Copper wastage result such as table two of the embodiment within first period, in difference when air circulation.
| Interior air circulation | 0.5 | 0.6 | 0.7 | 0.8 | 0.9 | 1.0 | 1.1 |
| Copper wastage | 116.3 | 115.7 | 115.2 | 114.8 | 114.4 | 114.1 | 113.8 |
| Interior air circulation | 1.2 | 1.3 | 1.4 | 1.5 | 1.6 | 1.7 | 1.8 |
| Copper wastage | 113.6 | 113.3 | 113.1 | 112.9 | 112.7 | 112.5 | 112.4 |
| Interior air circulation | 1.9 | 2.0 | 2.1 | 2.2 | 2.3 | 2.4 | 2.5 |
| Copper wastage | 112.2 | 112.0 | 111.9 | 111.8 | 111.6 | 111.5 | 111.3 |
(copper loss unit is kW to table two, and air quantity unit is m3/s)
Step 5: within same a period, ventilating power under air circulation in calculating difference, according to the difference of step 3 use
Interior air circulation calculates the ventilating power of interior circulated air；
Circulated air ventilating power in motor is calculated using following formula:
Pw=HQ
P in formulawFor the ventilating power of interior circulated air, H is interior circulated air wind pressure, and Q is interior air circulation；
Assuming that motor ventilation windage does not change with interior air circulation, then interior circulated air wind pressure H can be calculated with following formula:
H=ZQ2
Z is motor ventilation windage in formula；
Then interior circulated air ventilating power can obtain:
Pw=HQ=ZQ3
When air circulation is 2.5m in motor3When/s, interior circulated air ventilating power is 15kW, corresponding motor ventilation windage
Z is 0.96.
Interior circulated air ventilating power such as table three within first period, in difference when air circulation.
| Interior air circulation | 0.5 | 0.6 | 0.7 | 0.8 | 0.9 | 1.0 | 1.1 |
| Ventilating power | 0.1 | 0.2 | 0.3 | 0.5 | 0.7 | 1.0 | 1.3 |
| Interior air circulation | 1.2 | 1.3 | 1.4 | 1.5 | 1.6 | 1.7 | 1.8 |
| Ventilating power | 1.7 | 2.1 | 2.6 | 3.2 | 3.9 | 4.7 | 5.6 |
| Interior air circulation | 1.9 | 2.0 | 2.1 | 2.2 | 2.3 | 2.4 | 2.5 |
| Ventilating power | 6.6 | 7.7 | 8.9 | 10.2 | 11.7 | 13.3 | 15.0 |
(ventilation energy consumption unit is kW to table three, and air quantity unit is m3/s)
Step 6: within same a period, determining interior air circulation when loss is minimum, the copper wastage that step 4 is calculated
With being added for the ventilating power of step 5 calculating, the sum of two kinds of losses under air circulation in difference is obtained, it is corresponding to find minimum value
Interior air circulation be the optimal interior air circulation of the time step；
Within first period, the sum of the copper wastage of air circulation and ventilating power are such as table four in difference.
| Interior air circulation | 0.5 | 0.6 | 0.7 | 0.8 | 0.9 | 1.0 | 1.1 |
| The sum of copper wastage and ventilating power | 116.45 | 115.95 | 115.55 | 115.30 | 115.13 | 115.07 | 115.11 |
| Interior air circulation | 1.2 | 1.3 | 1.4 | 1.5 | 1.6 | 1.7 | 1.8 |
| The sum of copper wastage and ventilating power | 115.22 | 115.43 | 115.74 | 116.14 | 116.63 | 117.24 | 117.95 |
| Interior air circulation | 1.9 | 2.0 | 2.1 | 2.2 | 2.3 | 2.4 | 2.5 |
| The sum of copper wastage and ventilating power | 118.76 | 119.72 | 120.79 | 121.98 | 123.30 | 124.75 | 126.34 |
(the sum of copper wastage and ventilating power unit are kW to table four, and air quantity unit is m3/s)
As shown in Table 5, within first period, when ventilation volume is 1m3When/s, the loss of electric machine is minimum, then first
The optimal air quantity of circulated air is 1m in motor in a period3/s。
Step 7: determining the frequency of circulation wind turbine in logical, change ventilation by changing the frequency of circulation wind turbine in logical
The revolving speed of motor, to meet the interior air circulation that step 6 obtains；
By the interior air circulation result and formula P of step 6w=HQ=ZQ3The power of ventilation motor is obtained, ventilation motor
Revolving speed is directly proportional to interior air circulation, and the frequency of ventilation motor is directly proportional to revolving speed, and then determines the frequency of ventilation motor.
Circulated air is 2.5m in embodiment3Motor speed when/s is 1500rpm, and frequency 50Hz, then step 6 obtains
Optimal interior circulated air is 1m3Ventilating power when/s is about 1kW, and the revolving speed for leading to interior circulation wind turbine is 600rpm, corresponding logical
Wind-powered electricity generation unit frequency is 20Hz.
Step 8: entering next period, repeat the calculating process that step 3 arrives step 7.
After the completion of all periods calculate, interior circulated air optimal in the wind-driven generator entire working time is obtained
Power, revolving speed and the frequency of air quantity and corresponding logical interior circulation wind turbine.
Under the conditions of the wind-resources of use, according to the wind-driven generator parameter after the optimization of the method for the present invention calculating, such as table
Five (results after rounding up in table).
| Time | 0.5 | 1.0 | 1.5 | 2.0 | 2.5 | 3.0 | 3.5 | 4.0 | 4.5 | 5.0 |
| Environment temperature | 18.3 | 18.1 | 17.9 | 17.6 | 17.6 | 17.9 | 17.8 | 17.9 | 17.9 | 18.2 |
| Ambient wind velocity | 9.0 | 10.9 | 10.7 | 10.6 | 10.1 | 10.9 | 11.6 | 10.3 | 10.0 | 11.1 |
| Winding mean temperature | 94.5 | 102.2 | 104.0 | 104.5 | 105.8 | 106.2 | 107.0 | 107.1 | 106.8 | 107.7 |
| Interior air circulation | 1.0 | 1.3 | 1.3 | 1.3 | 1.3 | 1.3 | 1.4 | 1.3 | 1.3 | 1.3 |
| Ventilating power | 1.0 | 2.3 | 2.3 | 2.2 | 2.3 | 2.2 | 2.4 | 2.2 | 1.9 | 2.3 |
| Time | 5.5 | 6.0 | 6.5 | 7.0 | 7.5 | 8.0 | 8.5 | 9.0 | 9.5 | 10.0 |
| Environment temperature | 18.4 | 18.6 | 18.7 | 18.6 | 18.6 | 17.1 | 19.1 | 18.2 | 18.5 | 18.5 |
| Ambient wind velocity | 9.8 | 10.1 | 9.3 | 9.7 | 9.6 | 8.3 | 7.3 | 8.4 | 8.7 | 6.5 |
| Winding mean temperature | 106.0 | 105.0 | 102.1 | 101.8 | 103.3 | 93.3 | 84.1 | 79.5 | 83.3 | 73.5 |
| Interior air circulation | 1.2 | 1.2 | 1.1 | 1.2 | 1.2 | 0.7 | 0.5 | 0.7 | 0.8 | 0.5 |
| Ventilating power | 1.5 | 1.5 | 1.2 | 1.5 | 1.5 | 0.3 | 0.1 | 0.3 | 0.4 | 0.1 |
| Time | 10.5 | 11.0 | 11.5 | 12.0 | 12.5 | 13.0 | 13.5 | 14.0 | 14.5 | 15.0 |
| Environment temperature | 19.5 | 18.7 | 18.2 | 18.2 | 18.1 | 18.2 | 18.3 | 18.4 | 18.6 | 18.3 |
| Ambient wind velocity | 8.5 | 9.6 | 9.4 | 9.5 | 9.3 | 10.2 | 10.7 | 9.6 | 10.0 | 9.9 |
| Winding mean temperature | 75.2 | 87.0 | 89.2 | 89.9 | 89.8 | 91.7 | 97.3 | 97.5 | 100.8 | 101.5 |
| Interior air circulation | 0.8 | 1.3 | 1.1 | 1.2 | 1.0 | 1.2 | 1.4 | 1.1 | 1.3 | 1.3 |
| Ventilating power | 0.5 | 2.1 | 1.2 | 1.7 | 1.0 | 1.5 | 2.4 | 1.3 | 2.2 | 1.9 |
| Time | 15.5 | 16.0 | 16.5 | 17.0 | 17.5 | 18.0 | 18.5 | 19.0 | 19.5 | 20.0 |
| Environment temperature | 18.8 | 18.7 | 18.6 | 18.5 | 18.6 | 18.6 | 18.9 | 18.7 | 18.3 | 18.4 |
| Ambient wind velocity | 7.9 | 8.2 | 8.0 | 8.3 | 8.7 | 8.1 | 9.4 | 9.7 | 8.5 | 7.8 |
| Winding mean temperature | 71.3 | 70.5 | 70.7 | 73.4 | 76.7 | 76.7 | 81.8 | 86.5 | 83.5 | 81.6 |
| Interior air circulation | 0.5 | 0.6 | 0.5 | 0.6 | 0.8 | 0.6 | 1.1 | 1.2 | 0.6 | 0.5 |
| Ventilating power | 0.1 | 0.2 | 0.1 | 0.2 | 0.4 | 0.2 | 1.2 | 1.5 | 0.2 | 0.1 |
| Time | 20.5 | 21.0 | 21.5 | 22.0 | 22.5 | 23.0 | 23.5 | 24.0 | 24.5 | 15.0 |
| Environment temperature | 21.4 | 22.6 | 20.9 | 20.5 | 20.2 | 19.9 | 19.6 | 19.4 | 18.9 | 18.9 |
| Ambient wind velocity | 5.3 | 7.2 | 8.1 | 8.0 | 8.2 | 8.8 | 8.9 | 7.7 | 7.0 | 8.2 |
| Winding mean temperature | 57.5 | 58.5 | 60.2 | 62.3 | 63.6 | 69.6 | 73.3 | 68.0 | 62.0 | 66.1 |
| Interior air circulation | 0.5 | 0.5 | 0.6 | 0.5 | 0.7 | 0.9 | 1.0 | 0.5 | 0.5 | 0.6 |
| Ventilating power | 0.1 | 0.1 | 0.2 | 0.2 | 0.3 | 0.8 | 0.9 | 0.1 | 0.1 | 0.2 |
(chronomere is hour to table five, and temperature unit is DEG C that wind speed unit is m/s, and air quantity unit is m3/ s, function of divulging information
Rate unit is kW)
The working time of wind-driven generator is divided into limited period by the present invention, in conjunction with wind-driven generator difference when
Between the operation data of section reduce the power of circulation wind turbine in logical to change interior air circulation, realize permanent magnet wind generating
Circulating cooling air quantity optimizes in machine, provides help for the efficiency optimization of wind-driven generator complete machine.Wind-force hair provided by the invention
Circulating cooling air quantity optimization method in motor, can be applied to similar product, including water-cooled machine etc., for company non-in complete machine
The continuous ancillary equipment operated at full capacity can also apply the method for the present invention.
It is above one embodiment of the present invention, a preferred demonstration example.The claimed range of the present patent application
It is not only limited in the embodiment.All technical solutions equivalent with the present embodiment all belong to the scope of protection of the present invention.
Claims (1)
1. circulating cooling air quantity optimization method in a kind of wind-driven generator, which is characterized in that itself the following steps are included:
Step 1: establishing the temperature calculation models of wind-driven generator, which carries out temperature to motor using Re Lufa or thermal network method
Degree calculate, ambient wind velocity, environment temperature, just estimate interior air circulation under the conditions of, obtain the temperature of each grid node of motor；
Wherein consider the influence of motor temperature when calculating the loss of electric machine, the model can certain ambient wind velocity, environment temperature,
Under the conditions of interior air circulation, the temperature of each grid node of motor is calculated, wherein for specific wind-resources condition, ambient wind
Speed, environment temperature be it is determining, interior air circulation is artificially determining；
Step 2: the working time of wind-driven generator being divided into limited period, is calculated since first period；
Step 3: within same a period, the motor temperature in difference under air circulation is calculated, using the model of step 1, one
Determine range interior lines and sexually revise interior air circulation, calculates the motor temperature in difference under air circulation；
Step 4: within same a period, calculating the copper wastage in difference under air circulation, the winding obtained according to step 3 is flat
Equal temperature calculates copper wastage when air circulation in the corresponding difference of step 3, and the calculation formula of copper wastage is,
P in formulaCuFor copper wastage, I is electric machine phase current, R75The phase resistance for being motor stator at 75 °, TCuFor stator winding
Mean temperature；
Step 5: within same a period, calculating in difference ventilating power under air circulation, followed in the difference used according to step 3
Ring air quantity calculates the ventilating power of interior circulated air, interior circulated air ventilating power calculation formula are as follows:
Pw=HQ=ZQ3
P in formulawFor the ventilating power of interior circulated air, H is interior circulated air wind pressure, and Q is interior air circulation, and Z is motor ventilation windage；
Step 6: within same a period, determining interior air circulation when loss is minimum, the copper wastage that step 4 is calculated and step
The addition of rapid 5 ventilating powers calculated, obtains in difference sum of two kinds of losses under air circulation, finds that minimum value is corresponding interior to be followed
Ring air quantity is the optimal interior air circulation of the time step；
Step 7: determining the frequency of circulation wind turbine in logical, change ventilation motor by changing the frequency of circulation wind turbine in logical
Revolving speed, to meet the interior air circulation that step 6 obtains；
Step 8: entering next period, repeat the calculating process that step 3 arrives step 7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610802040.7A CN106372338B (en) | 2016-09-05 | 2016-09-05 | Circulating cooling air quantity optimization method in a kind of wind-driven generator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610802040.7A CN106372338B (en) | 2016-09-05 | 2016-09-05 | Circulating cooling air quantity optimization method in a kind of wind-driven generator |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106372338A CN106372338A (en) | 2017-02-01 |
| CN106372338B true CN106372338B (en) | 2019-08-13 |
Family
ID=57898873
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610802040.7A Active CN106372338B (en) | 2016-09-05 | 2016-09-05 | Circulating cooling air quantity optimization method in a kind of wind-driven generator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106372338B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111030560B (en) * | 2019-09-06 | 2021-08-06 | 上海工程技术大学 | Permanent magnet synchronous motor minimum loss control method based on heat network temperature prediction |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101383541A (en) * | 2007-12-21 | 2009-03-11 | 清华大学 | Design method for highly efficient rear incline centrifugal type cooling external fan for high-voltage asynchronous motor |
| CN103790849A (en) * | 2014-02-17 | 2014-05-14 | 扬州大学 | Frequency conversion operation optimization method of large bulb tubular pump unit open type ventilation system |
| CN103795185A (en) * | 2014-02-17 | 2014-05-14 | 扬州大学 | Method for determining optimal operation number of draught fans of open type ventilation system of large lamp bulb tubular pump unit |
-
2016
- 2016-09-05 CN CN201610802040.7A patent/CN106372338B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101383541A (en) * | 2007-12-21 | 2009-03-11 | 清华大学 | Design method for highly efficient rear incline centrifugal type cooling external fan for high-voltage asynchronous motor |
| CN103790849A (en) * | 2014-02-17 | 2014-05-14 | 扬州大学 | Frequency conversion operation optimization method of large bulb tubular pump unit open type ventilation system |
| CN103795185A (en) * | 2014-02-17 | 2014-05-14 | 扬州大学 | Method for determining optimal operation number of draught fans of open type ventilation system of large lamp bulb tubular pump unit |
Non-Patent Citations (5)
| Title |
|---|
| 600kW/125kW风力发电机的优化设计;孙明伦;《上海大中型电机》;20030930(第3期);第6-7页 |
| 大型水轮发电机损耗、发热与通风问题研究;韩力;《中国博士学位论文全文数据库 工程科技Ⅱ辑》;20090615(第6期);第C042-5页 |
| 大型立式水轮发电机闭路循环通风系统仿真研究;庄小慧 等;《中国电机工程学报》;20140901;第34卷(第35期);第6362-6368页 |
| 油浸式变压器热路计算及热点温度遗传支持向量机预测研究;滕黎;《中国优秀硕士学位论文全文数据库 工程科技Ⅱ辑》;20130315(第3期);第C042-259页 |
| 高速永磁电机转子损耗及通风散热研究;邢军强;《中国博士学位论文全文数据库 工程科技Ⅱ辑》;20110915(第9期);第C042-13页 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106372338A (en) | 2017-02-01 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| EP3472455B1 (en) | Control or processing system and method | |
| US10731630B2 (en) | Extended reaction power for wind farms | |
| Baloch et al. | A review of the state of the art control techniques for wind energy conversion system | |
| CN110206686A (en) | A kind of adaptive maximum power tracking and controlling method for wind power generating set | |
| Shi et al. | Design and research of cooling system for 2.5 MW permanent magnet wind turbine | |
| CN106372338B (en) | Circulating cooling air quantity optimization method in a kind of wind-driven generator | |
| CN111324974B (en) | Optimization method and device of air-cooled generator based on stator tooth internal cooling ventilation structure | |
| CN102156044A (en) | Wind turbine simulator applicable to testing of direct driving type wind generating set and model selection method thereof | |
| US20220291649A1 (en) | Method for computer-implemented determination of control parameters of a turbine | |
| Xia et al. | Coupled airflow-thermal network model for large-scale offshore wind generators with modular fractional-slot concentrated winding | |
| Carunaiselvane et al. | Temperature distribution of 250 MW hydro turbine synchronous generator at continuous overloading conditions | |
| US20220271531A1 (en) | Method for computer-implemented determination maximization of annual energy production of wind turbines of a wind park | |
| EP3994354B1 (en) | Method for computer-implemented determination of control parameters for wind turbines | |
| CN103400212A (en) | Equivalent air speed dynamic prediction method for wind generating sets in wind power plant | |
| Ding et al. | Investigation of characteristics of fluid flow pattern for air-cooled motor | |
| Ebrahimi et al. | Maximum power point tracking of a variable speed wind turbine with a coreless AFPM synchronous generator using OTC method | |
| Tong et al. | Cooling system design and thermal analysis of multibrid permanent magnet wind generator | |
| Oztürk et al. | Speed control of wind turbine rotor using genetic algorithm | |
| Li | Multiple solutions of PMSG with different orientations and reference powers | |
| Cañas‐Carretón et al. | Ad‐hoc analytical solution based on local linearisations for doubly‐fed induction generator wind turbine electromechanical simulations | |
| Ma et al. | Disturbance Control Strategy of Wind Turbine Generator Liquid Cooling System Based on Particle Swarm Optimization | |
| Vijayalaxmi et al. | Identification of Doubly Fed Induction Generator based Wind Energy Conversion System Using Piecewise-Linear Hammerstein Wiener Model | |
| Cao et al. | Simulation of a site-specific doubly-fed induction generator (DFIG) for wind turbine applications | |
| CN112446150A (en) | Three-dimensional visualization method and system for temperature field of double-water internal cooling synchronous phase modifier | |
| Wang et al. | Integrated Numerical and Experimental Study on Thermal Management of Permanent Magnet Synchronous Generator |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |