CN110332074B - Wind power generation control system and control method - Google Patents
Wind power generation control system and control method Download PDFInfo
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- CN110332074B CN110332074B CN201910590455.6A CN201910590455A CN110332074B CN 110332074 B CN110332074 B CN 110332074B CN 201910590455 A CN201910590455 A CN 201910590455A CN 110332074 B CN110332074 B CN 110332074B
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- 238000010248 power generation Methods 0.000 title claims abstract description 103
- 238000000034 method Methods 0.000 title claims abstract description 34
- 238000012544 monitoring process Methods 0.000 claims abstract description 114
- 238000012545 processing Methods 0.000 claims abstract description 81
- 230000005540 biological transmission Effects 0.000 claims abstract description 46
- 238000009434 installation Methods 0.000 claims abstract description 11
- 238000011156 evaluation Methods 0.000 claims abstract description 10
- 238000012423 maintenance Methods 0.000 claims description 53
- 238000012806 monitoring device Methods 0.000 claims description 50
- 238000012937 correction Methods 0.000 claims description 10
- 101000878595 Arabidopsis thaliana Squalene synthase 1 Proteins 0.000 claims description 3
- 101000642811 Oryza sativa subsp. indica Soluble starch synthase 1, chloroplastic/amyloplastic Proteins 0.000 claims description 3
- 238000003466 welding Methods 0.000 claims 1
- 230000008595 infiltration Effects 0.000 description 2
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03D—WIND MOTORS
- F03D17/00—Monitoring or testing of wind motors, e.g. diagnostics
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03D—WIND MOTORS
- F03D7/00—Controlling wind motors
- F03D7/02—Controlling wind motors the wind motors having rotation axis substantially parallel to the air flow entering the rotor
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03D—WIND MOTORS
- F03D7/00—Controlling wind motors
- F03D7/02—Controlling wind motors the wind motors having rotation axis substantially parallel to the air flow entering the rotor
- F03D7/0204—Controlling wind motors the wind motors having rotation axis substantially parallel to the air flow entering the rotor for orientation in relation to wind direction
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03D—WIND MOTORS
- F03D7/00—Controlling wind motors
- F03D7/02—Controlling wind motors the wind motors having rotation axis substantially parallel to the air flow entering the rotor
- F03D7/04—Automatic control; Regulation
- F03D7/042—Automatic control; Regulation by means of an electrical or electronic controller
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/70—Wind energy
- Y02E10/72—Wind turbines with rotation axis in wind direction
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Abstract
The invention discloses a wind power generation control system and a control method, which comprises a weather information acquisition module, an electric power condition monitoring module, a battery condition monitoring module, a wind direction monitoring module, a steering angle evaluation module, a data receiving module, a data processing module, a master control module, a control instruction sending module, an electric power transmission cutting module, an overhaul information sending module and a steering control module, wherein the weather information acquisition module is used for acquiring weather information; the weather information acquisition module is used for acquiring weather information of the installation position of the wind power generation equipment, wherein the weather information comprises rainfall, thunderstorm occurrence probability and wind power level within preset time; the power condition monitoring module is used for collecting power information, and the power information comprises circuit leakage, circuit voltage fluctuation amplitude and circuit short circuit; the invention can reduce the deviation between the wind power generation equipment and the wind direction when the wind power generation equipment turns, can improve the generating capacity of the wind power generation equipment and can better protect the power generation equipment using the system.
Description
Technical Field
The invention belongs to the field of wind power generation, relates to a control technology, and particularly relates to a wind power generation control system and a control method.
Background
Wind power generation is characterized in that kinetic energy of wind is converted into electric energy, wind energy is clean and pollution-free renewable energy, and the wind power generation is characterized in that the kinetic energy of the wind is converted into mechanical kinetic energy and then the mechanical energy is converted into electric kinetic energy, namely the wind power generation. The principle of wind power generation is that wind power drives windmill blades to rotate, and then the rotating speed is increased through a speed increaser to promote a generator to generate electricity, a wind power generator can be used in the process of wind power generation, a wind power generation control system is a system used in the process of controlling wind power generation, and Chinese patent invention with the publication number of CN201610817726.3 discloses a wind power generation control system which can fully utilize alternating current voltage output by a wind power generator set and improve the wind power generation efficiency, but does not protect wind power generation equipment.
The existing wind power generation control system has single function and only has control function in the use process, when wind power generation equipment fails, the wind power generation equipment cannot be protected, the effect of improving the wind power generation efficiency is poor, the wind power generation equipment cannot be protected from being damaged, and a solution is provided for solving the defects.
Disclosure of Invention
The invention aims to provide a wind power generation control system and a control method, which can better protect wind power generation equipment by analyzing various data, and can adjust the actual steering angle of the wind power generation equipment by analyzing wind direction information and the actual steering angle of the wind power generation equipment so as to achieve the aim of generating capacity of the wind power generation equipment.
The technical problem to be solved by the invention is as follows:
(1) how to better protect the wind power plant;
(2) how to better improve the generating capacity of the wind power generation equipment;
the purpose of the invention can be realized by the following technical scheme:
a wind power generation control system comprises a weather information acquisition module, an electric power condition monitoring module, a battery condition monitoring module, a wind direction monitoring module, a steering angle evaluation module, a data receiving module, a data processing module, a master control module, a control instruction sending module, an electric power transmission cutoff module, a maintenance information sending module and a steering control module;
the weather information acquisition module is used for acquiring weather information of the installation position of the wind power generation equipment, wherein the weather information comprises rainfall, thunderstorm occurrence probability and wind power level within preset time;
the power condition monitoring module is used for collecting power information, and the power information comprises circuit leakage, circuit voltage fluctuation amplitude and circuit short circuit;
the battery condition monitoring module is used for monitoring battery information, and the battery information comprises the maximum capacity and the residual electric quantity of the battery;
the wind direction monitoring module is used for monitoring wind direction information and is arranged in the wind direction monitoring device; the data processing module is used for correspondingly processing the weather information, the power information and the wind direction information received by the data receiving module, and processing the battery information, the weather information, the power information and the wind direction information into corresponding first control information, second control information, third control information and fourth control information, wherein the third control information comprises a primary control instruction and a secondary control instruction; the master control module is used for receiving first control information, second control information, third control information and fourth control information;
the control instruction sending module is used for sending corresponding control information to the power transmission cutting module, the maintenance information sending module or the steering control module;
the electric power transmission cutting module is used for cutting off the transmission of electric power, the maintenance information sending module is used for sending maintenance information to a mobile terminal of a related worker, and the steering control module is used for controlling the wind power generation equipment to deflect the angle.
Further, the specific process of the data processing module for processing the weather information is as follows:
s1: when the rainfall exceeds the preset value within the acquired preset time, the data processing module generates power supply stop control information, and when the rainfall does not exceed the preset value within the preset time, the data processing module does not generate second control information;
s2: when the acquired probability of the thunderstorm exceeds a preset value, the data processing module generates power supply stopping control information, and when the acquired probability of the thunderstorm does not exceed the preset value, the data processing module does not generate the power supply stopping control information;
s3: when the level of the obtained wind power is greater than the preset level, the data processing module generates power supply stopping control information, and when the level of the obtained wind power is less than the preset level, the data processing module does not generate second stopping control information;
the data processing module performs specific processing on the power information as follows:
SS 1: when the collected electric power condition information is any one of circuit leakage, circuit voltage fluctuation amplitude exceeding a preset value and a circuit short circuit condition, the data processing module generates a primary control instruction in third control information;
SS2, when the collected power condition information is any two of circuit leakage, circuit voltage fluctuation amplitude exceeding the preset value and circuit short circuit condition, the data processing module generates a secondary control instruction;
SS 3: and when the collected electric power information is all conditions of circuit leakage, circuit voltage fluctuation amplitude exceeding a preset value and circuit short circuit, the data processing module generates a secondary control instruction in third control information.
Further, the data processing module processes the battery information as follows:
SSS 1: marking preset maximum capacity information of the battery as KTp, and marking a real-time acquired maximum capacity beacon of the battery as QTp;
SSS 2: by the formula KTp-QTp ═ CT Difference (D) I.e. the difference CT between the preset maximum capacity of the battery and the maximum capacity of the battery collected in real time Difference (D) ；
SSS 3: when CT Difference (D) Less than a predetermined value or CT Difference (D) When the value is equal to 0, the data processing module does not generate the first control information;
SSS 4: when CT Difference (D) When the value is larger than the preset value, the data processing module generates first control information;
the specific process for processing the residual electric quantity is as follows:
(1): marking the residual electric quantity of the battery as an A section, a B section, a C section and a D section from a plurality of sections according to the quantity of the electric quantity;
(2): when the residual electric quantity acquired in real time is more than the section C, the data processing module does not generate first control information;
(3): when the residual electric quantity acquired in real time is in the section D, the data processing module generates first control information.
Further, the steering angle evaluation module calculates a deviation value by collecting wind direction information and deflection information of the wind power generation equipment according to the collected information, and the specific calculation process is as follows:
1): acquiring wind direction information, namely the angle of the wind power generation equipment to be steered, and marking the angle as Cv;
2): marking the collected actual steering angle of the wind power generation equipment as Pv;
3): by the formula Cv-Pv ═ Zv, i.e., the deviation value Zv of the steering;
4): continuously collecting Zv for X times, wherein X is 1 … … n;
5): by the formula
Obtaining a final deviation correction value Zv;
6) and after the final deviation correction value Zv is obtained, the data processing module generates fourth control information.
Further, the specific content of the primary control instruction is to cut off the power supply of a fault line and wait for maintenance, and the specific content of the secondary control instruction is to cut off the whole power supply, immediately send notification information to a mobile terminal of a maintenance worker and notify the maintenance worker of the mobile terminal to perform maintenance.
A wind direction monitoring device is characterized in that a mounting hole is formed in the inner surface of a monitoring device main body, a generator column penetrates through the mounting hole, a generator head is movably mounted at the upper end of the generator column, and a mounting seat is arranged below the monitoring device main body;
the outer surface of the monitoring device main body is provided with a first monitoring port, a second monitoring port and a third monitoring port, the first monitoring port is arranged between the second monitoring port and the third monitoring port, the interiors of the first monitoring port, the second monitoring port and the third monitoring port are respectively connected with a first guide plate, a second guide plate and a third guide plate in a rotating shaft manner, and the second guide plate is arranged between the first guide plate and the third guide plate;
the inner wall of the mounting seat is welded with a first clamping block, the outer surface of the generator column is welded with a second clamping block, the first clamping block is inserted into the second clamping block, the inner surface of the first clamping block is provided with a connecting hole, the inner part of the connecting hole is in threaded connection with a fastening bolt, the outer surface of the upper end of the mounting seat is provided with a limiting hole, the inner part of the limiting hole is inserted with a limiting column, and the upper end of the limiting column is welded with the monitoring device main body;
the monitoring device comprises a monitoring device body and is characterized in that a stepping motor is fixedly mounted at the top end inside the monitoring device body, a transmission gear is movably mounted at the front end of the stepping motor, a transmission plate is arranged at a position, close to one side, inside the monitoring device body, a slot is formed in the inner surface of the monitoring device body, a transmission plate is inserted into the slot, a transmission block is arranged on the outer surface of the transmission plate, and one end of the transmission block is fixedly connected with a first guide plate.
A wind power generation control method specifically comprises the following steps:
the method comprises the following steps: when the system is in operation, the weather information acquisition module is connected with the external Internet and acquires weather information of the installation position of the power generation equipment in real time, the power condition monitoring module can monitor circuit information of the wind power generation equipment in real time, the battery condition monitoring module can detect battery information of a battery of the wind power generation equipment in real time, the wind direction monitoring module in the wind direction monitoring device can monitor wind direction information in real time, and the steering angle evaluation module can monitor steering angle information of the wind power generation equipment;
step two: the data receiving module can synchronously receive weather information, circuit information, battery information, wind direction information and steering angle information and send the weather information, the circuit information, the battery information, the wind direction information and the steering angle information which are sent to the data receiving module to the data processing module;
step three: the data processing module processes corresponding control messages after receiving weather information, circuit information, battery information, wind direction information and steering angle information, corresponding message instructions comprise weather control messages, electric power control messages, battery control messages and steering control messages, the control instructions are sent to the control module and sent to the control message sending module through the control module, when the weather control messages are processed, the fourth step is executed, when the electric power control messages are processed, the fifth step is executed, when the battery control messages are processed, the sixth step is executed, and when the steering control messages are processed, the seventh step is executed;
step four: the power transmission cutoff module cuts off power transmission of the wind power generation equipment when the second control message is executed;
step five: when the third control message is executed, the power transmission cutting module cuts off the power transmission of the wind power generation equipment, and meanwhile, the maintenance information sending module sends maintenance information to the mobile equipment of the maintenance personnel;
step six: when the first control message is executed, the maintenance information sending module sends maintenance information to mobile equipment of a maintenance worker, and the maintenance worker is prompted to carry out battery maintenance;
step seven: when the fourth control message is executed, the steering control module controls the wind power generation equipment to carry out angle slicing;
step eight: and after the execution of the first control information, the second control information, the third control information and the fourth control information is finished, the system enters a standby state.
The invention has the beneficial effects that:
(1) according to the invention, through the arrangement of the wind direction monitoring module and the steering angle evaluating module, the external wind direction information and the real-time collected steering information of the wind power generation equipment can be collected, and the formula is adopted
The final deviation correction value Zv can be obtained, the system can control the wind power equipment to turn to the optimal angle through the correction value Zv, so that the wind power generator can utilize wind energy to the maximum extent, more electric energy is produced, and the generating capacity of the wind power generation equipment using the system is improved;
(2) the weather information collecting module can collect the weather information near the wind power generation equipment using the system, and processes corresponding control instructions according to the weather information to cut off the power supply of the wind power generation equipment in the stormy weather and the thunderstorm weather, thereby ensuring the safety of the wind power generation equipment and avoiding the condition that the storage battery of the power generation equipment and the like are damaged when thunderstorm occurs, meanwhile, the battery condition monitoring module and the power condition monitoring module can monitor the conditions of the storage battery and the power circuit of the wind power generation equipment, when the storage battery and the circuit are in fault, the system is powered off, and the maintenance information is automatically sent to a maintainer to maintain the wind power generation equipment, so that the safety of the wind power generation equipment using the system is better ensured, and the system is more worthy of popularization and use;
the invention adopts the first monitoring port, the second monitoring port and the third monitoring port which are arranged, the first monitoring port, the second monitoring port and the third monitoring port are respectively divided into two groups, a plurality of groups of wind direction monitoring modules are all arranged in the wind direction monitoring device, and the first monitoring port, the second monitoring port and the third monitoring port are all towards different directions, so that the wind direction monitoring device can simultaneously acquire wind direction information in a plurality of different directions, thereby leading the wind driven generator to be capable of always facing to the direction with large wind direction, leading the wind driven generator using the system to be capable of better utilizing wind energy, improving the efficiency of wind power generation, meanwhile, a first guide plate, a second guide plate and a third guide plate are arranged in the first monitoring port, the second monitoring port and the third monitoring port, the edges of the first guide plate, the second guide plate and the third guide plate are arc-shaped, the rainwater infiltration can be reduced to the wind direction monitoring devices, and the trouble that the staff frequently maintain the device is saved.
Drawings
In order to facilitate understanding for those skilled in the art, the present invention will be further described with reference to the accompanying drawings.
FIG. 1 is a block diagram of the system of the present invention;
FIG. 2 is an overall structure of the wind direction monitoring device of the present invention;
FIG. 3 is a view of the monitoring device body of the present invention in connection with a generator post;
FIG. 4 is a view of the monitoring device body of the present invention in combination with a mounting base;
fig. 5 is an internal view of the monitoring device body of the present invention.
In the figure: 1. a monitoring device main body; 101. a stepping motor; 102. a transmission gear; 103. a conductive plate; 104. a transmission block; 105. a limiting column; 2. mounting holes; 3. a generator column; 301. a second fixture block; 4. a generator head; 5. a mounting seat; 501. a first clamping block; 502. connecting holes; 503. fastening a bolt; 504. a limiting hole; 6. a first monitoring port; 7. a second monitoring port; 8. a third monitoring port; 9. a first guide plate; 10. a second guide plate; 11. a third guide plate; 12. and (4) a slot.
Detailed Description
As shown in fig. 1-5, a wind power generation control system includes a weather information collection module, an electric power condition monitoring module, a battery condition monitoring module, a wind direction monitoring module, a steering angle evaluation module, a data receiving module, a data processing module, a master control module, a control instruction sending module, an electric power transmission cutoff module, a maintenance information sending module and a steering control module;
the weather information acquisition module is used for acquiring weather information of the installation position of the wind power generation equipment, wherein the weather information comprises rainfall, thunderstorm occurrence probability and wind power level within preset time;
the power condition monitoring module is used for collecting power information, and the power information comprises circuit leakage, circuit voltage fluctuation amplitude and circuit short circuit;
the battery condition monitoring module is used for monitoring battery information, and the battery information comprises the maximum capacity and the residual electric quantity of the battery;
the wind direction monitoring module is used for monitoring wind direction information and is arranged in the wind direction monitoring device; the data processing module is used for correspondingly processing the weather information, the electric power information and the wind direction information received by the data receiving module and processing the battery information, the weather information, the electric power information and the wind direction information into corresponding first control information, second control information, third control information and fourth control information, wherein the third control information comprises a primary control instruction and a secondary control instruction; the master control module is used for receiving first control information, second control information, third control information and fourth control information;
the control instruction sending module is used for sending corresponding control information to the power transmission cutting module, the maintenance information sending module or the steering control module;
the electric power transmission cutting module is used for cutting off the transmission of electric power, the maintenance information sending module is used for sending maintenance information to a mobile terminal of a related worker, and the steering control module is used for controlling the wind power generation equipment to deflect the angle.
The specific process of the data processing module for processing the weather information is as follows:
s1: when the rainfall exceeds the preset value within the preset time, the data processing module generates power supply stop control information, and when the rainfall does not exceed the preset value within the preset time, the data processing module does not generate second control information;
s2: when the acquired probability of the thunderstorm exceeds a preset value, the data processing module generates power supply stopping control information, and when the acquired probability of the thunderstorm does not exceed the preset value, the data processing module does not generate the power supply stopping control information;
s3: when the level of the obtained wind power is greater than the preset level, the data processing module generates power supply stopping control information, and when the level of the obtained wind power is less than the preset level, the data processing module does not generate second stopping control information;
the data processing module performs specific processing on the power information as follows:
SS 1: when the collected electric power condition information is any one of circuit leakage, circuit voltage fluctuation amplitude exceeding a preset value and a circuit short circuit condition, the data processing module generates a primary control instruction in third control information;
SS2, when the collected power condition information is any two of circuit leakage, circuit voltage fluctuation amplitude exceeding the preset value and circuit short circuit condition, the data processing module generates a secondary control instruction;
SS 3: and when the collected electric power information is all conditions of circuit leakage, circuit voltage fluctuation amplitude exceeding a preset value and circuit short circuit, the data processing module generates a secondary control instruction in third control information.
The process of the data processing module for processing the battery information is as follows:
SSS 1: marking preset maximum capacity information of the battery as KTp, and marking a real-time acquired maximum capacity beacon of the battery as QTp;
SSS 2: by the formula KTp-QTp ═ CT Difference (D) I.e. the difference CT between the preset maximum capacity of the battery and the maximum capacity of the battery acquired in real time Difference (D) ；
SSS 3: when CT Difference (D) Less than presetValue or CT Difference (D) When the value is 0, the data processing module does not generate the first control information;
SSS 4: when CT Difference (D) When the value is larger than the preset value, the data processing module generates first control information;
the specific process for processing the residual electric quantity is as follows:
(1): marking the residual electric quantity of the battery as an A section, a B section, a C section and a D section from a plurality of sections according to the quantity of the electric quantity;
(2): when the residual electric quantity acquired in real time is more than the section C, the data processing module does not generate first control information;
(3): and when the residual electric quantity acquired in real time is in the section D, the data processing module generates first control information.
The steering angle evaluation module calculates a deviation value by acquiring wind direction information and deflection information of the wind power generation equipment according to the acquired information, and the specific calculation process is as follows:
1): acquiring wind direction information, namely the angle of the wind power generation equipment to be steered, and marking the angle as Cv;
2): marking the collected actual steering angle of the wind power generation equipment as Pv;
3): by the formula Cv-Pv ═ Zv, i.e., the deviation value Zv of the steering;
4): continuously collecting Zv for X times, wherein X is 1 … … n;
5): by the formula
The final deviation correction value Zv can be obtained;
6) and after the final deviation correction value Zv is obtained, the data processing module generates fourth control information.
The specific content of the primary control instruction is to cut off the power supply of a fault line and wait for maintenance, and the specific content of the secondary control instruction is to cut off the whole power supply, immediately send notification information to a mobile terminal of a maintenance worker and notify the maintenance worker of the mobile terminal to perform maintenance.
A wind direction monitoring device is characterized in that a mounting hole 2 is formed in the inner surface of a monitoring device main body 1, a generator column 3 penetrates through the mounting hole 2, a generator head 4 is movably mounted at the upper end of the generator column 3, and a mounting base 5 is arranged below the monitoring device main body 1;
the outer surface of the monitoring device main body 1 is provided with a first monitoring port 6, a second monitoring port 7 and a third monitoring port 8, the first monitoring port 6 is arranged between the second monitoring port 7 and the third monitoring port 8, the interiors of the first monitoring port 6, the second monitoring port 7 and the third monitoring port 8 are respectively connected with a first guide plate 9, a second guide plate 10 and a third guide plate 11 in a rotating shaft manner, and the second guide plate 10 is arranged between the first guide plate 9 and the third guide plate 11;
a first fixture block 501 is welded on the inner wall of the mounting seat 5, a second fixture block 301 is welded on the outer surface of the generator column 3, the first fixture block 501 is inserted into the second fixture block 301, a connecting hole 502 is formed in the inner surface of the first fixture block 501, a fastening bolt 503 is connected to the inner portion of the connecting hole 502 in a threaded manner, a limiting hole 504 is formed in the outer surface of the upper end of the mounting seat 5, a limiting column 105 is inserted into the limiting hole 504, and the upper end of the limiting column 105 is welded with the monitoring device main body 1;
the inside top fixed mounting of monitoring devices main part 1 has step motor 101, step motor 101's front end movable mounting has conduction gear 102, the inside position that is close to one side of monitoring devices main part 1 is provided with conduction board 103, slot 12 has been seted up to monitoring devices main part 1's internal surface, the inside grafting of slot 12 has conduction board 103, and the surface of conduction board 103 is provided with transmission piece 104, the one end and the first baffle 9 fixed connection of transmission piece 104.
A wind power generation control method specifically comprises the following steps:
the method comprises the following steps: when the system is in operation, the weather information acquisition module is connected with the external Internet and acquires weather information of the installation position of the power generation equipment in real time, the power condition monitoring module can monitor circuit information of the wind power generation equipment in real time, the battery condition monitoring module can detect battery information of a battery of the wind power generation equipment in real time, the wind direction monitoring module in the wind direction monitoring device can monitor wind direction information in real time, and the steering angle evaluation module can monitor steering angle information of the wind power generation equipment;
step two: the data receiving module can synchronously receive weather information, circuit information, battery information, wind direction information and steering angle information and send the weather information, the circuit information, the battery information, the wind direction information and the steering angle information which are sent to the data receiving module to the data processing module;
step three: the data processing module processes corresponding control messages after receiving weather information, circuit information, battery information, wind direction information and steering angle information, corresponding message instructions comprise weather control messages, electric power control messages, battery control messages and steering control messages, the control instructions are sent to the control module and sent to the control message sending module through the control module, when the weather control messages are processed, the fourth step is executed, when the electric power control messages are processed, the fifth step is executed, when the battery control messages are processed, the sixth step is executed, and when the steering control messages are processed, the seventh step is executed;
step four: the power transmission cutoff module cuts off power transmission of the wind power generation equipment when the second control message is executed;
step five: when the third control message is executed, the power transmission cutting module cuts off the power transmission of the wind power generation equipment, and meanwhile, the maintenance information sending module sends maintenance information to the mobile equipment of the maintenance personnel;
step six: when the first control message is executed, the maintenance information sending module sends maintenance information to mobile equipment of a maintenance worker, and the maintenance worker is prompted to carry out battery maintenance;
step seven: when the fourth control message is executed, the steering control module controls the wind power generation equipment to carry out angle slicing;
step eight: and after the execution of the first control information, the second control information, the third control information and the fourth control information is finished, the system enters a standby state.
A wind power generation control system and a control method, when in work, a weather information acquisition module acquires the weather condition of the installation position of wind power generation equipment and sends the weather condition to a data receiving module, a motor condition monitoring module is used for acquiring electric power information and sending the electric power information to the data receiving module, a battery condition monitoring module is used for monitoring the information of a battery and sending the information to the data receiving module, a wind direction monitoring module is used for monitoring wind direction information, the wind direction monitoring module is installed in the wind direction monitoring device, a limiting post 105 on a monitoring device main body 1 is inserted in a limiting hole 504 on an installation seat 5, the installation seat 5 is clamped in a second clamping block 201 on a generator post 2 through a first clamping block 501, and a connecting bolt 503 is arranged in a connecting hole 502 to ensure the stability of the installation seat 5, namely the stability of the monitoring device main body 1, the monitoring device main body 1 is provided with a first monitoring port 6, a second monitoring port 7 and a third monitoring port 8, the orientations of the first monitoring port 6, the second monitoring port 7 and the third monitoring port 8 are different, so that the monitoring device can simultaneously collect wind direction information in multiple directions, a first guide plate 9, a second guide plate 10 and a third guide plate 11 are arranged in the first monitoring port 6, the second monitoring port 7 and the third monitoring port 8, a worker can send a control instruction to the stepping motor 101 through the master control module according to actual requirements to enable the stepping motor to operate and drive the transmission gear 102 to rotate, the transmission gear 102 rotates to drive the transmission plate 103 in the slot 12 to move up and down, the transmission plate 103 drives the first guide plate 9, the second guide plate 10 and the third guide plate 11 to deflect at an angle through the transmission block 104 to prevent rainwater from permeating into the device and sending the rainwater to the data receiving module, and after the data receiving module receives data, the wind power generation device comprises a data receiving module, a data processing module, a control instruction sending module, a power transmission cutting module, a maintenance information sending module, a power transmission control module and a steering control module, wherein the data processing module can process the data one by one after receiving the information sent by the data receiving module, the processed various information can be converted into first control information, second control information, third control information and fourth control information and sent to a master control module, the control instruction sending module can send the corresponding control information after receiving the control information, the power transmission cutting module can cut off power transmission after receiving the third control information, the maintenance information sending module can send maintenance information to a mobile terminal of a related worker after receiving the first control information, and the steering control module can control the wind power generation device to finely adjust the steering angle after receiving the fourth control information.
Firstly, the wind direction monitoring module and the steering angle evaluating module can collect external wind direction information and real-time collected steering information of the wind power generation equipment, analyze the collected steering information, and then obtain a final deviation correction value through a formula, wherein a system can control the wind power generation equipment to steer to an optimal angle through a correction value so that the wind power generator can maximally utilize wind energy, thereby producing more electric energy and improving the generated energy of the wind power generation equipment using the system;
secondly, the weather information collecting module can collect the weather information near the wind power generation equipment using the system, and processes corresponding control instructions according to the weather information to cut off the power supply of the wind power generation equipment in the stormy weather and the thunderstorm weather, thereby ensuring the safety of the wind power generation equipment and avoiding the condition that the storage battery of the power generation equipment and the like are damaged when thunderstorm occurs, meanwhile, the battery condition monitoring module and the power condition monitoring module can monitor the conditions of the storage battery and the power circuit of the wind power generation equipment, when the storage battery and the circuit are in fault, the system is powered off, and the maintenance information is automatically sent to a maintainer to maintain the wind power generation equipment, so that the safety of the wind power generation equipment using the system is better ensured, and the system is more worthy of popularization and use;
finally, the invention adopts the first monitoring port 6, the second monitoring port 7 and the third monitoring port 8, the first monitoring port 6, the second monitoring port 7 and the third monitoring port 8 are respectively provided with two groups, a plurality of groups of wind direction monitoring modules are all arranged in the wind direction monitoring device, the first monitoring port 6, the second monitoring port 7 and the third monitoring port 8 are all in different directions, so that the wind direction monitoring device can simultaneously acquire wind direction information in a plurality of different directions, the wind driven generator can always face the direction with large wind direction, the wind driven generator using the system can better utilize wind energy, the efficiency of wind power generation is improved, meanwhile, the first guide plate 9, the second guide plate 10 and the third guide plate 11 are arranged in the first monitoring port 6, the second monitoring port 7 and the third monitoring port 8, the edges of the first guide plate 9, the second guide plate 10 and the third guide plate 11 are arc-shaped, the rainwater infiltration can be reduced to the wind direction monitoring devices, and the trouble that the staff frequently maintain the device is saved.
The foregoing is merely exemplary and illustrative of the present invention and various modifications, additions and substitutions may be made by those skilled in the art to the specific embodiments described without departing from the scope of the invention as defined in the following claims.
Claims (7)
1. A wind power generation control system is characterized by comprising a weather information acquisition module, a power condition monitoring module, a battery condition monitoring module, a wind direction monitoring module, a steering angle evaluation module, a data receiving module, a data processing module, a master control module, a control instruction sending module, a power transmission cutoff module, a maintenance information sending module and a steering control module;
the weather information acquisition module is used for acquiring weather information of the installation position of the wind power generation equipment, wherein the weather information comprises rainfall, thunderstorm occurrence probability and wind power level within preset time;
the power condition monitoring module is used for collecting power information, and the power information comprises circuit leakage, circuit voltage fluctuation amplitude and circuit short circuit;
the battery condition monitoring module is used for monitoring battery information, and the battery information comprises the maximum capacity and the residual electric quantity of the battery;
the wind direction monitoring module is used for monitoring wind direction information and is arranged in the wind direction monitoring device; the data processing module is used for correspondingly processing the weather information, the power information and the wind direction information received by the data receiving module, and processing the battery information, the weather information, the power information and the wind direction information into corresponding first control information, second control information, third control information and fourth control information, wherein the third control information comprises a primary control instruction and a secondary control instruction; the master control module is used for receiving first control information, second control information, third control information and fourth control information;
the control instruction sending module is used for sending corresponding control information to the power transmission cutting module, the maintenance information sending module or the steering control module;
the electric power transmission cutting module is used for cutting off the transmission of electric power, the maintenance information sending module is used for sending maintenance information to a mobile terminal of a related worker, and the steering control module is used for controlling the wind power generation equipment to deflect the angle.
2. The wind power generation control system according to claim 1, wherein the data processing module processes the weather information in the following specific process:
s1: when the rainfall exceeds the preset value within the preset time, the data processing module generates power supply stop control information, and when the rainfall does not exceed the preset value within the preset time, the data processing module does not generate second control information;
s2: when the acquired probability of the thunderstorm exceeds a preset value, the data processing module generates power supply stopping control information, and when the acquired probability of the thunderstorm does not exceed the preset value, the data processing module does not generate the power supply stopping control information;
s3: when the level of the obtained wind power is greater than the preset level, the data processing module generates power supply stopping control information, and when the level of the obtained wind power is less than the preset level, the data processing module does not generate second stopping control information;
the data processing module performs specific processing on the power information as follows:
SS 1: when the collected electric power condition information is any one of circuit leakage, circuit voltage fluctuation amplitude exceeding a preset value and a circuit short circuit condition, the data processing module generates a primary control instruction in third control information;
SS2, when the collected power condition information is any two of circuit leakage, circuit voltage fluctuation amplitude exceeding the preset value and circuit short circuit condition, the data processing module generates a secondary control instruction;
SS 3: and when the collected electric power information is all conditions of circuit leakage, circuit voltage fluctuation amplitude exceeding a preset value and circuit short circuit, the data processing module generates a secondary control instruction in third control information.
3. The wind power generation control system according to claim 1, wherein the data processing module processes the battery information as follows:
SSS 1: marking preset maximum capacity information of the battery as KTp, and marking a real-time acquired maximum capacity beacon of the battery as QTp;
SSS 2: by the formula KTp-QTp ═ CT Difference (D) I.e. the difference CT between the preset maximum capacity of the battery and the maximum capacity of the battery collected in real time Difference (D) ；
SSS 3: when CT Difference (D) Less than a predetermined value or CT Difference (D) When the value is 0, the data processing module does not generate the first control information;
SSS 4: when CT Difference (D) When the value is larger than the preset value, the data processing module generates first control information;
the specific process for processing the residual electric quantity is as follows:
(1): marking the residual electric quantity of the battery as an A section, a B section, a C section and a D section from a plurality of sections according to the quantity of the electric quantity;
(2): when the residual electric quantity acquired in real time is more than the section C, the data processing module does not generate first control information;
(3): when the residual electric quantity acquired in real time is in the section D, the data processing module generates first control information.
4. The wind power generation control system according to claim 1, wherein the steering angle evaluation module calculates the deviation value by collecting wind direction information and deflection information of the wind power generation equipment according to the collected information, and the calculation process is as follows:
1): acquiring wind direction information, namely the angle of the wind power generation equipment to be steered, and marking the angle as Cv;
2): marking the collected actual steering angle of the wind power generation equipment as Pv;
3): by the formula Cv-Pv ═ Zv, i.e., the deviation value Zv of the steering;
4): continuously collecting Zv for X times, wherein X is 1 … … n;
5): by the formula
The final deviation correction value Zv can be obtained;
6) and after the final deviation correction value Zv is obtained, the data processing module generates fourth control information.
5. The wind power generation control system according to claim 2, wherein the specific content of the primary control command is to cut off the power supply of the faulty line and wait for maintenance, and the specific content of the secondary control command is to cut off the whole power supply and immediately send a notification message to the mobile terminal of the maintenance personnel to notify the maintenance personnel to perform maintenance.
6. The wind power generation control system according to claim 1, wherein the wind direction monitoring device comprises a monitoring device main body (1), a mounting hole (2) is formed in the inner surface of the monitoring device main body (1), a generator column (3) penetrates through the mounting hole (2), a generator head (4) is movably mounted at the upper end of the generator column (3), and a mounting seat (5) is arranged below the monitoring device main body (1);
the outer surface of the monitoring device main body (1) is provided with a first monitoring port (6), a second monitoring port (7) and a third monitoring port (8), the first monitoring port (6) is arranged between the second monitoring port (7) and the third monitoring port (8), the interiors of the first monitoring port (6), the second monitoring port (7) and the third monitoring port (8) are respectively connected with a first guide plate (9), a second guide plate (10) and a third guide plate (11) in a rotating shaft mode, and the second guide plate (10) is arranged between the first guide plate (9) and the third guide plate (11);
the monitoring device is characterized in that a first clamping block (501) is welded on the inner wall of the mounting seat (5), a second clamping block (301) is welded on the outer surface of the generator column (3), the first clamping block (501) is inserted into the second clamping block (301), a connecting hole (502) is formed in the inner surface of the first clamping block (501), a fastening bolt (503) is connected to the inner portion of the connecting hole (502) in a threaded mode, a limiting hole (504) is formed in the outer surface of the upper end of the mounting seat (5), a limiting column (105) is inserted into the limiting hole (504), and the upper end of the limiting column (105) is connected with the monitoring device main body (1) in a welding mode;
the inside top fixed mounting of monitoring devices main part (1) has step motor (101), the front end movable mounting of step motor (101) has conduction gear (102), the inside position that is close to one side of monitoring devices main part (1) is provided with conduction board (103), slot (12) have been seted up to the internal surface of monitoring devices main part (1), the inside grafting of slot (12) has conduction board (103), and the surface of conduction board (103) is provided with transmission piece (104), the one end and first baffle (9) fixed connection of transmission piece (104).
7. A wind power generation control method is characterized by comprising the following steps:
the method comprises the following steps: when the system is in operation, the weather information acquisition module is connected with the external Internet and acquires weather information of the installation position of the power generation equipment in real time, the power condition monitoring module can monitor circuit information of the wind power generation equipment in real time, the battery condition monitoring module can detect battery information of a battery of the wind power generation equipment in real time, the wind direction monitoring module in the wind direction monitoring device can monitor wind direction information in real time, and the steering angle evaluation module can monitor steering angle information of the wind power generation equipment;
step two: the data receiving module can synchronously receive weather information, circuit information, battery information, wind direction information and steering angle information and send the weather information, the circuit information, the battery information, the wind direction information and the steering angle information which are sent to the data receiving module to the data processing module;
step three: the data processing module processes a corresponding control message after receiving weather information, circuit information, battery information, wind direction information and steering angle information, wherein a corresponding message instruction comprises a weather control message, a power control message, a battery control message and a steering control message, the control instruction is sent to the control module and is sent to the control message sending module through the control module, the fourth step is executed when the weather control message is processed, the fifth step is executed when the power control message is processed, the sixth step is executed when the battery control message is processed, and the seventh step is executed when the steering control message is processed;
step four: the power transmission cutoff module cuts off power transmission of the wind power generation equipment when the second control message is executed;
step five: when the third control message is executed, the power transmission cutting module cuts off the power transmission of the wind power generation equipment, and meanwhile, the maintenance information sending module sends maintenance information to the mobile equipment of the maintenance personnel;
step six: when the first control message is executed, the maintenance information sending module sends maintenance information to mobile equipment of a maintenance worker, and the maintenance worker is prompted to carry out battery maintenance;
step seven: when the fourth control message is executed, the steering control module controls the wind power generation equipment to carry out angle slicing;
step eight: and after the execution of the first control information, the second control information, the third control information and the fourth control information is finished, the system enters a standby state.
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| CN110608133B (en) * | 2019-10-28 | 2020-10-02 | 国网山东省电力公司电力科学研究院 | Offshore wind power generation control system and method |
| CN110738289A (en) * | 2019-11-04 | 2020-01-31 | 新疆信息产业有限责任公司 | Multi-dimensional linkage comprehensive studying and judging device for electric power operation standardization and using method thereof |
| CN111120210B (en) * | 2019-11-15 | 2021-06-18 | 陕西普华电力设计咨询有限公司 | Wind power generation system with self-protection function |
| CN115163429A (en) * | 2022-07-26 | 2022-10-11 | 明阳产业技术研究院(沈阳)有限公司 | Wind power fan blade monitoring system and method and related equipment |
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Effective date of registration: 20221130 Address after: 137100 Er Long Xiang Guang Ming Cun, Taonan City, Baicheng City, Jilin Province Patentee after: DATANG XIANGYANG WIND POWER GENERATION Co.,Ltd. Address before: Huanghuapo (Pingyuan) Industrial Transfer Industrial Park, Dazhe Town, Pingyuan County, Meizhou City, Guangdong Province, 514000 Patentee before: Zhang Liang |
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