CN109164834B - Self-correcting method and system for errors of photovoltaic tracking system - Google Patents
Self-correcting method and system for errors of photovoltaic tracking system Download PDFInfo
- Publication number
- CN109164834B CN109164834B CN201811067026.2A CN201811067026A CN109164834B CN 109164834 B CN109164834 B CN 109164834B CN 201811067026 A CN201811067026 A CN 201811067026A CN 109164834 B CN109164834 B CN 109164834B
- Authority
- CN
- China
- Prior art keywords
- tracking system
- photovoltaic tracking
- angle theta
- motor
- pulse number
- 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
- 238000000034 method Methods 0.000 title claims abstract description 29
- 238000013524 data verification Methods 0.000 claims abstract description 21
- 238000012937 correction Methods 0.000 claims abstract description 10
- 238000012795 verification Methods 0.000 claims abstract description 7
- 238000004364 calculation method Methods 0.000 claims description 5
- 230000008901 benefit Effects 0.000 abstract description 5
- 230000007774 longterm Effects 0.000 abstract description 4
- 230000003203 everyday effect Effects 0.000 abstract description 3
- 230000001276 controlling effect Effects 0.000 description 7
- 238000005299 abrasion Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000009825 accumulation Methods 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 230000007423 decrease Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
Images
Classifications
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
- G05D3/00—Control of position or direction
- G05D3/12—Control of position or direction using feedback
-
- 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
- G05B23/00—Testing or monitoring of control systems or parts thereof
- G05B23/02—Electric testing or monitoring
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Control Of Position Or Direction (AREA)
- Optical Recording Or Reproduction (AREA)
Abstract
The invention discloses a self-correcting method for errors of a photovoltaic tracking system, which comprises the following steps: s1, executing S2 when the photovoltaic tracking system is in working time and data verification operation is not carried out within the current date; s2, obtaining the initial angle theta of the rotating assembly in the photovoltaic tracking system0Driving motor to rotate in forward direction t1After the time, recording the first Hall pulse number N1First angle theta1Re-driving the motor to rotate in reverse t2After the time, recording the second Hall pulse number N2A second angle theta2(ii) a S3, calculating a proportionality coefficient P1And P2(ii) a S4, calculating the proportionality coefficient P1And P2Storing the data as a verification coefficient, and marking the completed data verification operation in the current date; and S5, controlling the rotation of the motor and adjusting the rotation direction of the motor when the system is operated. The method and the device perform parameter correction on the motor when the photovoltaic tracking system is just started every day, are quick and convenient, ensure the accuracy and effectiveness of motor data acquisition, improve the long-term reliability of the motor and the accuracy of the photovoltaic tracking system, and increase the benefit.
Description
Technical Field
The invention relates to the technical field of photovoltaic power station tracking systems, in particular to a self-correcting method and a self-correcting system for errors of a photovoltaic tracking system.
Background
Traditional photovoltaic power plant adopts the fixed bolster, and photovoltaic array receives solar radiation with fixed angle, causes the decline of photovoltaic utilization efficiency. With the application of the tracking system technology, the yield of the photovoltaic power station is greatly improved. The traditional tracking system basically adopts a threaded push rod to realize transmission, and the transmission part needs to bear load, so that the abrasion and the consumption are large. In the use, the system is unstable, the tracking accuracy is not high scheduling problem appears easily, has caused the increase of later maintenance cost, and the promotion of power station generated energy is also limited. Due to the long-term operation of the tracking system, the rotating motor has mechanical wear, which causes the deviation of the rotating angle. The time for 5 degrees of rotation after the motor starts to be put into operation is 10s, and the time for 5 degrees of rotation after long-time operation is 12 s. If the time adjustment is not carried out, the angle error is large when the rotation is the same, and the current angle of the photovoltaic array is not the optimal incident angle. After many rotations, the accumulated error becomes larger, resulting in a reduction in power generation efficiency.
Disclosure of Invention
Based on the technical problems in the background art, the invention provides a self-correcting method and a self-correcting system for errors of a photovoltaic tracking system.
The invention provides a self-correcting method for errors of a photovoltaic tracking system, which comprises the following steps:
s1, judging whether the current clock chip time in the photovoltaic tracking system is in the working time, if so, judging whether data verification operation is performed in the current date, and if not, executing S2;
s2, obtaining the initial angle theta of the rotating assembly in the photovoltaic tracking system0Driving motor to rotate in forward direction t1After the time, recording the first Hall pulse number N1First angle theta1Re-driving the motor to rotate in reverse t2After the time, recording the second Hall pulse number N2A second angle theta2；
S3, based on the initial angle theta0The first Hall pulse number N1First angle theta1The second Hall pulse number N2A second angle theta2Calculating a proportionality coefficient P1And P2；
S4, calculating the proportionality coefficient P1And P2Storing the data as a verification coefficient, and marking the completed data verification operation in the current date;
s5, when the photovoltaic tracking system runs, calculating the number of Hall pulses based on the check coefficient, and controlling the motor to rotate and adjusting the rotation direction of the motor by combining the comparison result of the current angle of the rotating assembly in the photovoltaic tracking system and the preset optimal incident angle;
wherein, t1、t2Are all preset values.
Preferably, step S3 specifically includes:
obtaining an initial angle theta0The first Hall pulse number N1First angle theta1The second Hall pulse number N2A second angle theta2；
The ratio P is calculated according to the following formula1The formula is：
P1＝|θ1-θ0|/N1；
The ratio P is calculated according to the following formula2The formula is as follows:
P2＝|θ2-θ1|/N2。
preferably, in step S4, the marking of the completed data verification operation within the current date specifically includes:
the check mark position within the current date is set to 1.
Preferably, step S1 specifically includes:
reading the current clock chip time in the photovoltaic tracking system;
judging whether the current clock chip time is in the working time, if so, reading the position of a check mark in the current date;
if the check flag is set to 1 in the current date, S2 is executed.
Preferably, in step S2, t1Is 20 seconds, t2It was 20 seconds.
The invention provides a self-correcting system for errors of a photovoltaic tracking system, which comprises:
the operation preparation module is used for judging whether the current clock chip time in the photovoltaic tracking system is in the working time, if so, judging whether data verification operation is performed in the current date, and if not, starting the information acquisition module;
the information acquisition module is used for acquiring the initial angle theta of the rotating component in the photovoltaic tracking system0Driving motor to rotate in forward direction t1After the time, recording the first Hall pulse number N1First angle theta1Re-driving the motor to rotate in reverse t2After the time, recording the second Hall pulse number N2A second angle theta2；
A coefficient calculation module for calculating a coefficient based on the initial angle θ0The first Hall pulse number N1First angle theta1The second Hall pulse number N2A second angle theta2Calculating a proportionality coefficient P1And P2；
An operation calibration module for calibrating the proportionality coefficient P1And P2Storing the data as a verification coefficient, and marking the completed data verification operation in the current date;
the error correction module is used for calculating the number of Hall pulses based on the check coefficient when the photovoltaic tracking system operates, and controlling the motor to rotate and adjusting the rotation direction of the motor by combining the comparison result of the current angle of a rotating assembly in the photovoltaic tracking system and a preset optimal incident angle;
wherein, t1、t2Are all preset values.
Preferably, the coefficient calculation module is specifically configured to:
obtaining an initial angle theta0The first Hall pulse number N1First angle theta1The second Hall pulse number N2A second angle theta2；
The ratio P is calculated according to the following formula1The formula is as follows:
P1＝|θ1-θ0|/N1；
the ratio P is calculated according to the following formula2The formula is as follows:
P2＝|θ2-θ1|/N2。
preferably, in the operation calibration module, marking that the data verification operation is completed within the current date specifically includes:
the check mark position within the current date is set to 1.
Preferably, the operation preparation module is specifically configured to:
reading the current clock chip time in the photovoltaic tracking system;
judging whether the current clock chip time is in the working time, if so, reading the position of a check mark in the current date;
and if the check mark position in the current date is 1, starting the information acquisition module.
Preferably, in the information acquisition module, t1Is 20 seconds, t2It was 20 seconds.
According to the self-correcting method and system for the photovoltaic tracking system error, the parameter correction is performed on the motor when the photovoltaic tracking system is started every day, so that the method and system are quick and convenient, and the accuracy and the effectiveness of data acquisition of the motor in the operating phase are guaranteed. The method has the advantages that the hardware cost is not required to be added, the cost is saved, the long-term reliability of the motor is improved, the problem that the internal mechanical abrasion of the motor is caused by the increase of the working time and the accumulation of the working strength of the motor, so that the error of system acquisition is increased, the accuracy of an acquisition result is reduced, the accuracy of a photovoltaic tracking system is greatly improved, and the benefit is increased. Specifically, the method comprises the following steps: when the parameter of the motor is corrected, the initial angle of the rotating assembly is recorded, the motor is controlled to rotate forwards for a certain time, the rotating pulse number and the current angle are recorded, the motor is controlled to rotate backwards for a certain time, the rotating pulse number and the current angle are recorded, the proportionality coefficient is calculated according to the initial angle, the two rotating pulse numbers and the two current angles, and finally, when the photovoltaic system operates, the rotation and the rotating direction of the motor are regulated and controlled by combining the proportionality coefficient, the optimal incident angle and the current angle of the rotating assembly, so that the operating error of the photovoltaic tracking system is corrected, the effectiveness and the accuracy of the operation of the system are ensured, and the operation accuracy is improved.
Drawings
FIG. 1 is a schematic diagram of a method for self-correcting errors in a photovoltaic tracking system;
FIG. 2 is a schematic diagram of a self-correcting system for photovoltaic tracking system errors;
FIG. 3 is a block diagram of a hardware configuration in an embodiment of a method and system for self-correction of photovoltaic tracking system errors;
fig. 4 is a flowchart of a method and system for self-correcting errors of a photovoltaic tracking system.
Detailed Description
As shown in fig. 1-4, fig. 1-4 illustrate a method and system for self-correcting an error of a photovoltaic tracking system according to the present invention.
Referring to fig. 1, the method for self-correcting the error of the photovoltaic tracking system provided by the invention comprises the following steps:
s1, judging whether the current clock chip time in the photovoltaic tracking system is in the working time, if so, judging whether data verification operation is performed in the current date, and if not, executing S2;
s2, obtaining the initial angle theta of the rotating assembly in the photovoltaic tracking system0Driving motor to rotate in forward direction t1After the time, recording the first Hall pulse number N1First angle theta1Re-driving the motor to rotate in reverse t2After the time, recording the second Hall pulse number N2A second angle theta2；
S3, based on the initial angle theta0The first Hall pulse number N1First angle theta1The second Hall pulse number N2A second angle theta2Calculating a proportionality coefficient P1And P2；
In this embodiment, step S3 specifically includes:
obtaining an initial angle theta0The first Hall pulse number N1First angle theta1The second Hall pulse number N2A second angle theta2；
The ratio P is calculated according to the following formula1The formula is as follows:
P1＝|θ1-θ0|/N1；
the ratio P is calculated according to the following formula2The formula is as follows:
P2＝|θ2-θ1|/N2。
s4, calculating the proportionality coefficient P1And P2Storing the data as a verification coefficient, and marking the completed data verification operation in the current date;
in this embodiment, the step of marking the completed data verification operation within the current date specifically includes:
the check mark position within the current date is set to 1.
Correspondingly, step S1 specifically includes:
reading the current clock chip time in the photovoltaic tracking system;
judging whether the current clock chip time is in the working time, if so, reading the position of a check mark in the current date;
if the check flag is set to 1 in the current date, S2 is executed.
S5, when the photovoltaic tracking system runs, calculating the number of Hall pulses based on the check coefficient, and controlling the motor to rotate and adjusting the rotation direction of the motor by combining the comparison result of the current angle of the rotating assembly in the photovoltaic tracking system and the preset optimal incident angle;
wherein, t1、t2Are all preset values.
In a further embodiment, t1Is 20 seconds, t2It was 20 seconds.
T above1、t2The self-correcting method is set according to actual use environment and use conditions so as to meet the requirements of different scenes on the running time of the motor, and therefore effectiveness and accuracy of the self-correcting method are comprehensively improved.
Referring to fig. 2, fig. 2 is a self-correcting system for photovoltaic tracking system error, which includes:
the operation preparation module is used for judging whether the current clock chip time in the photovoltaic tracking system is in the working time, if so, judging whether data verification operation is performed in the current date, and if not, starting the information acquisition module;
the information acquisition module is used for acquiring the initial angle theta of the rotating component in the photovoltaic tracking system0Driving motor to rotate in forward direction t1After the time, recording the first Hall pulse number N1First angle theta1Re-driving the motor to rotate in reverse t2After the time, recording the second Hall pulse number N2A second angle theta2；
A coefficient calculation module for calculating a coefficient based on the initial angle θ0The first Hall pulse number N1First angle theta1The second Hall pulse number N2A second angle theta2Calculating a proportionality coefficient P1And P2；
In this embodiment, the coefficient calculating module is specifically configured to:
obtaining an initial angle theta0The first Hall pulse number N1First angle theta1The second Hall pulse number N2A second angle theta2；
The ratio P is calculated according to the following formula1The formula is as follows:
P1＝|θ1-θ0|/N1；
the ratio P is calculated according to the following formula2The formula is as follows:
P2＝|θ2-θ1|/N2。
an operation calibration module for calibrating the proportionality coefficient P1And P2Storing the data as a verification coefficient, and marking the completed data verification operation in the current date;
in this embodiment, the step of marking the completed data verification operation within the current date specifically includes:
the check mark position within the current date is set to 1.
Correspondingly, the operation preparation module is specifically configured to:
reading the current clock chip time in the photovoltaic tracking system;
judging whether the current clock chip time is in the working time, if so, reading the position of a check mark in the current date;
and if the check mark position in the current date is 1, starting the information acquisition module.
The error correction module is used for calculating the number of Hall pulses based on the check coefficient when the photovoltaic tracking system operates, and controlling the motor to rotate and adjusting the rotation direction of the motor by combining the comparison result of the current angle of a rotating assembly in the photovoltaic tracking system and a preset optimal incident angle;
wherein, t1、t2Are all preset values.
In a further embodiment, t1Is 20 seconds, t2It was 20 seconds.
T above1、t2The self-correcting method is set according to actual use environment and use conditions so as to meet the requirements of different scenes on the running time of the motor, and therefore effectiveness and accuracy of the self-correcting method are comprehensively improved.
According to the self-correcting method and system for the photovoltaic tracking system error, the parameter correction is performed on the motor when the photovoltaic tracking system is just started every day, so that the method and system are not only quick and convenient, but also the accuracy and the effectiveness of data acquisition of the motor in the operating stage are ensured. The method has the advantages that the hardware cost is not required to be added, the cost is saved, the long-term reliability of the motor is improved, the problem that the internal mechanical abrasion of the motor is caused by the increase of the working time and the accumulation of the working strength of the motor, so that the error of system acquisition is increased, the accuracy of an acquisition result is reduced, the accuracy of a photovoltaic tracking system is greatly improved, and the benefit is increased. Specifically, the method comprises the following steps: when the parameter of the motor is corrected, the initial angle of the rotating assembly is recorded firstly, then the motor is controlled to rotate forwards for a certain time, the rotating pulse number and the current angle are recorded, then the motor is controlled to rotate backwards for a certain time, the rotating pulse number and the current angle are recorded, then the proportionality coefficient is calculated according to the initial angle, the two rotating pulse numbers and the two current angles, and finally the rotation direction and the rotating direction of the motor are regulated and controlled by combining the proportionality coefficient, the optimal incident angle and the current angle of the rotating assembly when the photovoltaic system operates, so that the operation error of the photovoltaic tracking system is corrected, the effectiveness and the accuracy of the operation of the system are ensured, and the operation accuracy.
To better illustrate the operation of this embodiment, the following description is made with reference to the following examples:
1. controlling forward and reverse rotation of motor
The single chip microcomputer reads the current time of the real-time clock, judges whether the current time is in the working time or not, and if yes, judges whether data verification is carried out today or not. If not, reading the current azimuth angle value theta0Then controlling the motor to rotate forward for 20s, and recording the number N of Hall pulses1Reading the current angle theta1(ii) a Then controlling the motor to reverseRotate 20s and record the number N of Hall pulses2Reading the current angle theta2。
2. Data processing
Calculating the proportionality coefficient P1、P2P1 ═ θ1-θ0|/N1，P2＝|θ2-θ1|/N2. Will P1、P2And storing the data into a flash inside the singlechip. After the data is processed, the check flag bit is set to 1, which indicates that today's data check is completed. In the subsequent system operation, the proportionality coefficient P is directly used1、P2And (4) calculating the Hall pulse number generated by the motor in each rotation.
3. Operation of the system
The system obtains the optimal incident angle at the current time according to an astronomical algorithm, then obtains the current angle value through the position sensor, judges whether the difference value between the current angle and the optimal incident angle is larger than a set value, and controls the rotation and the rotation direction of the motor.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (10)
1. A self-correcting method for errors of a photovoltaic tracking system is characterized by comprising the following steps:
s1, judging whether the current clock chip time in the photovoltaic tracking system is in the working time, if so, judging whether data verification operation is performed in the current date, and if not, executing S2;
s2, obtaining the initial angle theta of the rotating assembly in the photovoltaic tracking system0Driving motor to rotate in forward direction t1After the time, recording the first Hall pulse number N1First angle theta1Re-driving the motor to rotate in reverse t2After the time, recording the second Hall pulse number N2A second angle theta2；
S3, based on the initial angle theta0The first Hall pulse number N1First angle theta1The second Hall pulse number N2A second angle theta2Calculating a proportionality coefficient P1And P2；
S4, calculating the proportionality coefficient P1And P2Storing the data as a verification coefficient, and marking the completed data verification operation in the current date;
s5, when the photovoltaic tracking system runs, calculating the number of Hall pulses based on the check coefficient, and controlling the motor to rotate and adjusting the rotation direction of the motor by combining the comparison result of the current angle of the rotating assembly in the photovoltaic tracking system and the preset optimal incident angle;
wherein, t1、t2Are all preset values.
2. The method for self-correcting the photovoltaic tracking system error according to claim 1, wherein the step S3 specifically includes:
obtaining an initial angle theta0The first Hall pulse number N1First angle theta1The second Hall pulse number N2A second angle theta2；
The ratio P is calculated according to the following formula1The formula is as follows:
P1＝|θ1-θ0|/N1；
the ratio P is calculated according to the following formula2The formula is as follows:
P2＝|θ2-θ1|/N2。
3. the method for self-correcting errors of a photovoltaic tracking system according to claim 1, wherein the step S4 of marking the completed data verification operation within the current date specifically comprises:
the check mark position within the current date is set to 1.
4. The method for self-correcting the photovoltaic tracking system error according to claim 3, wherein the step S1 specifically comprises:
reading the current clock chip time in the photovoltaic tracking system;
judging whether the current clock chip time is in the working time, if so, reading the position of a check mark in the current date;
if the check mark position is not 1 on the current date, S2 is executed.
5. The method for self-correcting the error of the photovoltaic tracking system according to claim 1, wherein in step S2, t is1Is 20 seconds, t2It was 20 seconds.
6. A self-correcting system for photovoltaic tracking system errors, comprising:
the operation preparation module is used for judging whether the current clock chip time in the photovoltaic tracking system is in the working time, if so, judging whether data verification operation is performed in the current date, and if not, starting the information acquisition module;
the information acquisition module is used for acquiring the initial angle theta of the rotating component in the photovoltaic tracking system0Driving motor to rotate in forward direction t1After the time, recording the first Hall pulse number N1First angle theta1Re-driving the motor to rotate in reverse t2After the time, recording the second Hall pulse number N2A second angle theta2；
A coefficient calculation module for calculating a coefficient based on the initial angle θ0The first Hall pulse number N1First angle theta1The second Hall pulse number N2A second angle theta2Calculating a proportionality coefficient P1And P2；
An operation calibration module for calibrating the proportionality coefficient P1And P2Storing the data as a verification coefficient, and marking the completed data verification operation in the current date;
the error correction module is used for calculating the number of Hall pulses based on the check coefficient when the photovoltaic tracking system operates, and controlling the motor to rotate and adjusting the rotation direction of the motor by combining the comparison result of the current angle of a rotating assembly in the photovoltaic tracking system and a preset optimal incident angle;
wherein, t1、t2Are all preset values.
7. The system for self-correction of photovoltaic tracking system errors according to claim 6, wherein the coefficient calculation module is specifically configured to:
obtaining an initial angle theta0The first Hall pulse number N1First angle theta1The second Hall pulse number N2A second angle theta2；
The ratio P is calculated according to the following formula1The formula is as follows:
P1＝|θ1-θ0|/N1；
the ratio P is calculated according to the following formula2The formula is as follows:
P2＝|θ2-θ1|/N2。
8. the system for self-correcting photovoltaic tracking system errors of claim 6, wherein the operation calibration module, marking completed data verification operations within a current date specifically comprises:
the check mark position within the current date is set to 1.
9. The system for self-correction of photovoltaic tracking system errors according to claim 8, characterized in that said operation preparation module is specifically configured to:
reading the current clock chip time in the photovoltaic tracking system;
judging whether the current clock chip time is in the working time, if so, reading the position of a check mark in the current date;
and if the position of the check mark in the current date is not 1, starting the information acquisition module.
10. Root of herbaceous plantThe system for self-correction of photovoltaic tracking system errors of claim 6, wherein in the information acquisition module, t1Is 20 seconds, t2It was 20 seconds.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811067026.2A CN109164834B (en) | 2018-09-13 | 2018-09-13 | Self-correcting method and system for errors of photovoltaic tracking system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811067026.2A CN109164834B (en) | 2018-09-13 | 2018-09-13 | Self-correcting method and system for errors of photovoltaic tracking system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109164834A CN109164834A (en) | 2019-01-08 |
| CN109164834B true CN109164834B (en) | 2021-06-11 |
Family
ID=64895033
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811067026.2A Active CN109164834B (en) | 2018-09-13 | 2018-09-13 | Self-correcting method and system for errors of photovoltaic tracking system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109164834B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109839959B (en) * | 2019-03-01 | 2021-12-21 | 周雨航 | Light direction sensor and solar power generation system adopting same |
| CN113900370B (en) * | 2021-09-30 | 2022-11-08 | 万帮数字能源股份有限公司 | Time calibration method and time calibration device for photovoltaic system and photovoltaic system |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102447422A (en) * | 2010-10-11 | 2012-05-09 | 上海悦嘉能源科技有限公司 | Photovoltaic array maximum power point tracking servo system and control method |
| CN103529862A (en) * | 2013-11-05 | 2014-01-22 | 华北电力大学（保定） | Intelligent tracking device of distributed type networked photovoltaic cell panel and control method of device |
| CN104699116A (en) * | 2013-12-08 | 2015-06-10 | 首航节能光热技术股份有限公司 | Heliostat tracking error correction method |
| CN105302165A (en) * | 2015-11-27 | 2016-02-03 | 胡国旺 | Photovoltaic power generation automatic tracking system |
| CN105334873A (en) * | 2015-11-30 | 2016-02-17 | 华东交通大学 | Method for detecting solar heliostat rotation precision |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20050081908A1 (en) * | 2003-03-19 | 2005-04-21 | Stewart Roger G. | Method and apparatus for generation of electrical power from solar energy |
| CN100508327C (en) * | 2007-06-08 | 2009-07-01 | 清华大学 | Photovoltaic three-phase grid control method for fast and steadily implementing maximal power tracing |
| US10069300B2 (en) * | 2012-01-20 | 2018-09-04 | Sunpower Corporation | Methods and apparatus for dispatching electrical energy from distributed energy resources |
| JP2015223040A (en) * | 2014-05-23 | 2015-12-10 | 住友電気工業株式会社 | Concentrator photovoltaic power generation system, semiconductor integrated circuit used for the same, tracking deviation detection program and tracking deviation correction program, and tracking deviation detection method and tracking deviation correction method |
-
2018
- 2018-09-13 CN CN201811067026.2A patent/CN109164834B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102447422A (en) * | 2010-10-11 | 2012-05-09 | 上海悦嘉能源科技有限公司 | Photovoltaic array maximum power point tracking servo system and control method |
| CN103529862A (en) * | 2013-11-05 | 2014-01-22 | 华北电力大学（保定） | Intelligent tracking device of distributed type networked photovoltaic cell panel and control method of device |
| CN104699116A (en) * | 2013-12-08 | 2015-06-10 | 首航节能光热技术股份有限公司 | Heliostat tracking error correction method |
| CN105302165A (en) * | 2015-11-27 | 2016-02-03 | 胡国旺 | Photovoltaic power generation automatic tracking system |
| CN105334873A (en) * | 2015-11-30 | 2016-02-17 | 华东交通大学 | Method for detecting solar heliostat rotation precision |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109164834A (en) | 2019-01-08 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109164834B (en) | Self-correcting method and system for errors of photovoltaic tracking system | |
| CN102242980B (en) | Heliostat tracking control device and tracking control method thereof | |
| CN107709766B (en) | Method of calibrating a load sensor of a wind turbine | |
| US20170070187A1 (en) | Solar tracking system and a method thereof | |
| WO2012120836A1 (en) | Control device of solar power conversion unit, method of controlling thereof, and solar power generation apparatus | |
| US20100018519A1 (en) | Fault monitoring based on solar tracking error | |
| US20140360555A1 (en) | Photovoltaic power curtailment methods and systems | |
| CN102980313A (en) | Heliostat error correction system and method for solar tower optical-thermal power station | |
| US8364432B2 (en) | Analog angle sensor accuracy correction program correction method, recording medium, and servo driver | |
| CN108801127B (en) | Solar wing sailboard rotation precision calibration method based on single Hall sensor | |
| CN115291634A (en) | Photovoltaic support control method, photovoltaic tracking controller and photovoltaic tracking system | |
| CN115309195A (en) | Control method and device of photovoltaic tracking axis and photovoltaic tracking system | |
| CN116166055A (en) | Control method and device for tracking bracket of photovoltaic system and photovoltaic system | |
| CN202149628U (en) | Heliostat tracking control device | |
| KR101412783B1 (en) | Device and method for heliostat control using hybrid type solar tracking device | |
| CN116907535A (en) | Method for checking heliostat by adopting artificial light source and camera | |
| US9413290B2 (en) | Suitable control method for a system of photovoltaic concentration modules | |
| CN116513488A (en) | Sun-setting control method under driving sailboard of analog type sun sensor | |
| CN107992102B (en) | Single-shaft double-closed-loop sun tracking control method | |
| TWI599788B (en) | Method and system for chasing solar energy power generation device | |
| KR101530973B1 (en) | Hybrid Type Method for Tracking Sunlight | |
| CN114531074A (en) | Motor control method and device for electric vehicle | |
| CN216699747U (en) | Integrated solar intelligent tracking motor | |
| CN111966132B (en) | Solar full-automatic high-precision tracking closed-loop control method | |
| CN110658856A (en) | Double-shaft alternating allowance type variable-frequency sun tracking method |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| TA01 | Transfer of patent application right | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20210521 Address after: 239300 intersection of Yihu Avenue and Xinfa North Road, Yangcun Industrial Park, Tianchang City, Chuzhou City, Anhui Province Applicant after: Anhui shangtejie Power Technology Co.,Ltd. Address before: 239300 jingsan Road East tianchu Road North Tianshang clean energy, Tianchang Economic Development Zone, Chuzhou City, Anhui Province Applicant before: ANHUI TIANSHANG CLEANING ENERGY TECHNOLOGY Co.,Ltd. |
|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: A self correction method and system for photovoltaic tracking system error Effective date of registration: 20211229 Granted publication date: 20210611 Pledgee: Tianchang vibration financing Company limited by guarantee Pledgor: Anhui shangtejie Power Technology Co.,Ltd. Registration number: Y2021980016822 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20230104 Granted publication date: 20210611 Pledgee: Tianchang vibration financing Company limited by guarantee Pledgor: Anhui shangtejie Power Technology Co.,Ltd. Registration number: Y2021980016822 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: A self-correction method and system for photovoltaic tracking system error Effective date of registration: 20230112 Granted publication date: 20210611 Pledgee: Tianchang vibration financing Company limited by guarantee Pledgor: Anhui shangtejie Power Technology Co.,Ltd. Registration number: Y2023980031022 |