CN113890084A - Abnormity control method, device and control system of tandem type double-wind-wheel power generation system - Google Patents
Abnormity control method, device and control system of tandem type double-wind-wheel power generation system Download PDFInfo
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- CN113890084A CN113890084A CN202111040253.8A CN202111040253A CN113890084A CN 113890084 A CN113890084 A CN 113890084A CN 202111040253 A CN202111040253 A CN 202111040253A CN 113890084 A CN113890084 A CN 113890084A
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J3/00—Circuit arrangements for ac mains or ac distribution networks
- H02J3/38—Arrangements for parallely feeding a single network by two or more generators, converters or transformers
- H02J3/381—Dispersed generators
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J2300/00—Systems for supplying or distributing electric power characterised by decentralized, dispersed, or local generation
- H02J2300/20—The dispersed energy generation being of renewable origin
- H02J2300/28—The renewable source being wind energy
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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
- Y02E10/76—Power conversion electric or electronic aspects
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Abstract
The disclosure provides an abnormity control method, device and system of a tandem type double-wind-wheel power generation system, and relates to the technical field of wind power generation. Wherein, double wind wheel power generation system of tandem includes: a three-port current transformer; the three-port converter includes: the system comprises a machine side converter 1, a machine side converter 2 and a network side converter 3; the machine side converter 1 is connected with the front wind wheel generator, the machine side converter 2 is connected with the rear wind wheel generator, and the grid side converter 3 is connected with a power grid; the method comprises the following steps: acquiring current incoming flow wind speed and working parameters of the tandem type double-wind-wheel power generation system; and when the difference value between the current incoming flow wind speed and the historical incoming flow wind speed is larger than a first threshold value, or when any one working parameter of the tandem double-wind-wheel power generation system is abnormal, performing abnormal working state control on the tandem double-wind-wheel power generation system. Therefore, the influence on the power generation system due to the abnormity is reduced, and the safety and the reliability of the operation of the power generation system are improved.
Description
Technical Field
The disclosure relates to the technical field of wind power generation, in particular to an abnormity control method, device and system of a tandem type double-wind-wheel power generation system.
Background
In recent years, due to the serious environmental problems of regional haze, global warming and the like caused by the large consumption of traditional fossil energy, the vigorous development of clean renewable energy sources, such as wind energy, light energy and the like, has become a global consensus. Wind energy is increasingly receiving attention as a renewable new energy source due to its advantages of wide source, large storage capacity, no pollution and the like. The electric energy is used as a special carrier of energy and has the characteristics of cleanness, high efficiency, environmental friendliness and the like, so that the great significance in the rapid development of new energy power generation is achieved.
With the progress of science and technology, wind power generation is more and more extensive, and the application scope is also more and more extensive. Generally, due to the variable environment, the wind turbine may encounter various weather conditions during the use process, such as too strong wind, weak wind, etc., thereby possibly affecting the wind power generation system and reducing the performance and utilization rate of the wind power generation system. Therefore, how to control the wind power generation system to improve the performance thereof is a problem to be solved.
Disclosure of Invention
The present disclosure is directed to solving, at least to some extent, one of the technical problems in the related art.
An embodiment of the first aspect of the present disclosure provides an abnormality control method for a tandem double-wind-wheel power generation system, where the tandem double-wind-wheel power generation system includes: a three-port current transformer; wherein the three-port converter comprises: the system comprises a machine side converter 1, a machine side converter 2 and a network side converter 3; the machine side converter 1 is connected with a front wind wheel generator, the machine side converter 2 is connected with a rear wind wheel generator, and the grid side converter 3 is connected with a power grid;
the method comprises the following steps:
acquiring the current incoming flow wind speed and working parameters of the tandem type double-wind-wheel power generation system;
and when the difference value between the current incoming flow wind speed and the historical incoming flow wind speed is larger than a first threshold value, or when any one working parameter of the tandem double-wind-wheel power generation system is abnormal, performing abnormal working state control on the tandem double-wind-wheel power generation system.
Optionally, the performing of the abnormal operating state control on the tandem double-wind-wheel power generation system includes:
and under the condition that the difference value between the current incoming wind speed and the historical incoming wind speed is larger than a first threshold value, adjusting the working frequency and/or the conduction time of power switching devices in the machine side converter 1 and the machine side converter 2 so as to increase the output torque of the generator.
Optionally, the performing of the abnormal operating state control on the tandem double-wind-wheel power generation system includes:
and under the condition that the input torque of a generator in the tandem type double-wind-wheel power generation system is larger than the rated torque, adjusting the pitch angle to reduce the input torque of the generator.
Optionally, the performing of the abnormal operating state control on the tandem double-wind-wheel power generation system includes:
and under the condition that the voltage of the grid side is smaller than the voltage threshold, adjusting the working frequency and/or the conducting time of a power switch device in the grid side converter 3 to reduce the output voltage of the grid side converter 3.
Optionally, the tandem double-wind-wheel power generation system further includes a voltage reduction circuit connected to the grid-side converter 3, and the method further includes:
and starting the voltage reduction circuit, and controlling the output voltage of the voltage reduction circuit to be matched with the voltage of the power grid side.
Optionally, the performing of the abnormal operating state control on the tandem double-wind-wheel power generation system includes:
and under the condition that the voltage of the power grid side is smaller than the voltage threshold and the duration is longer than the time threshold, disconnecting the grid side converter 3 from the power grid and sending a power grid fault early warning indication.
Optionally, the tandem double-wind-wheel power generation system further includes an ac energy consumption device connected in parallel to two sides of the generator and the machine-side converter, and the control of the abnormal operating state of the tandem double-wind-wheel power generation system includes:
and starting the alternating current energy consumption device under the condition that the pitch control operation executed by the pitch control mechanism is not matched with the control command and the difference value between the current incoming flow wind speed and the historical incoming flow wind speed is greater than a second threshold value.
An embodiment of a second aspect of the present disclosure provides an abnormality control device for a tandem double-wind-wheel power generation system, where the tandem double-wind-wheel power generation system includes: a three-port current transformer; wherein the three-port converter comprises: the system comprises a machine side converter 1, a machine side converter 2 and a network side converter 3; the machine side converter 1 is connected with a front wind wheel generator, the machine side converter 2 is connected with a rear wind wheel generator, and the grid side converter 3 is connected with a power grid;
the control device includes:
the acquisition module is used for acquiring the current incoming flow wind speed and working parameters of the tandem type double-wind-wheel power generation system;
and the control module is used for controlling the abnormal working state of the tandem double-wind-wheel power generation system when the difference value between the current incoming wind speed and the historical incoming wind speed is larger than a first threshold value or when any working parameter of the tandem double-wind-wheel power generation system is abnormal.
An embodiment of the third aspect of the present disclosure provides an abnormality control system for a tandem double-wind-wheel power generation system, where the tandem double-wind-wheel power generation system includes: a three-port current transformer; wherein the three-port converter comprises: the system comprises a machine side converter 1, a machine side converter 2 and a network side converter 3; the machine side converter 1 is connected with a front wind wheel generator, the machine side converter 2 is connected with a rear wind wheel generator, and the grid side converter 3 is connected with a power grid;
the control system comprises: the signal acquisition unit and the controller are connected with each other;
the signal acquisition unit is used for acquiring working parameters of a generator, a wind wheel and the three-port converter in the tandem double-wind-wheel power generation system;
the controller is used for controlling the tandem double-wind-wheel power generation system according to the working parameters acquired by the signal acquisition unit so as to realize the abnormal control method of the tandem double-wind-wheel power generation system according to any one of claims 1 to 7.
An embodiment of a fourth aspect of the present disclosure provides an electronic device, including: the system comprises a memory, a processor and a computer program stored on the memory and capable of running on the processor, wherein the processor executes the program to realize the abnormality control method of the tandem type double-wind-wheel power generation system according to the embodiment of the first aspect of the disclosure.
A fifth aspect of the present disclosure provides a non-transitory computer-readable storage medium storing a computer program, which when executed by a processor implements the method for controlling an anomaly of a tandem dual wind turbine power generation system as set forth in the first aspect of the present disclosure.
A sixth aspect of the present disclosure provides a computer program product, which when executed by an instruction processor of the computer program product, executes the anomaly control method for the tandem dual-wind turbine power generation system provided in the first aspect of the present disclosure.
According to the abnormal control method of the tandem double-wind-wheel power generation system, the current incoming wind speed and the working parameters of the tandem double-wind-wheel power generation system can be obtained, and then the abnormal working state of the tandem double-wind-wheel power generation system is controlled when the difference value between the current incoming wind speed and the historical incoming wind speed is larger than a first threshold value or when any one working parameter of the tandem double-wind-wheel power generation system is abnormal. Therefore, the abnormal working state of the tandem type double-wind-wheel power generation system is controlled, the influence on the power generation system caused by abnormality can be reduced, and the running safety and reliability of the tandem type double-wind-wheel power generation system are improved.
Additional aspects and advantages of the disclosure will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the disclosure.
Drawings
The foregoing and/or additional aspects and advantages of the present disclosure will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
fig. 1 is a schematic flowchart of an anomaly control method of a tandem dual-wind-wheel power generation system according to another embodiment of the present disclosure;
fig. 2 is a schematic flowchart of an anomaly control method of a tandem dual-wind-wheel power generation system according to another embodiment of the present disclosure;
fig. 2A is a schematic structural diagram of a tandem-type dual wind turbine power generation system according to an embodiment of the present disclosure;
fig. 3 is a schematic structural diagram of an abnormality control device of a tandem dual wind turbine power generation system according to another embodiment of the present disclosure;
FIG. 4 illustrates a block diagram of an exemplary electronic device suitable for use in implementing embodiments of the present disclosure.
Detailed Description
Reference will now be made in detail to the embodiments of the present disclosure, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the drawings are exemplary and intended to be illustrative of the present disclosure, and should not be construed as limiting the present disclosure.
An abnormality control method of a tandem double wind turbine power generation system, a floating wind turbine group system, according to an embodiment of the present disclosure will be described below with reference to the accompanying drawings.
The embodiment of the present disclosure illustrates that the abnormality control method of the tandem dual wind turbine power generation system is configured in the abnormality control device of the tandem dual wind turbine power generation system, and the abnormality control device of the tandem dual wind turbine power generation system can be applied to any electronic device, so that the electronic device can perform the abnormality control function of the tandem dual wind turbine power generation system.
The control method of the double-wind-wheel power generation system provided by the disclosure can be applied to any double-wind-wheel power generation system.
For example, the method can be applied to a dual wind turbine power generation system including a three-port converter, wherein the three-port converter can include: the system comprises a machine side converter 1, a machine side converter 2 and a network side converter 3; the machine side converter 1 is connected with the front wind wheel generator, the machine side converter 2 is connected with the rear wind wheel generator, and the grid side converter 3 is connected with a power grid. Alternatively, the present disclosure is not limited thereto, and may also be applied to a dual wind turbine power generation system including other converters, and the like.
The machine side converter 1 can control the rotating speed and power of the front wind turbine generator, the machine side converter 2 can control the rotating speed and power of the rear wind turbine generator, and the grid side converter 3 can control grid-connected power, electric energy quality, direct-current bus voltage control and the like, and the method is not limited by the disclosure.
For convenience of description, the present disclosure takes the dual wind turbine power generation system including the three-port converter as an example.
Fig. 1 is a schematic flow chart of a control method of a dual wind wheel power generation system according to an embodiment of the present disclosure. As shown in fig. 1, the control method of the dual wind turbine power generation system may include the steps of:
The current incoming flow wind speed can be determined through data collected by an anemorumbometer, or can be determined through real-time measurement data of a meteorological station; or the current incoming wind speed may also be determined in other desirable ways, which are not limited by this disclosure.
In addition, the operating parameters of the tandem double-wind-wheel power generation system may be various, for example, the operating parameters may be a wind turbine rotation speed, an output power of the wind turbine, a torque of the generator, an output voltage of the wind turbine, and the like, which is not limited in this disclosure.
It is understood that, in the embodiments of the present disclosure, the operating parameters of the tandem dual wind turbine power generation system may be determined in any desirable manner, which is not limited by the present disclosure.
And 102, when the difference value between the current incoming flow wind speed and the historical incoming flow wind speed is larger than a first threshold value, or when any one working parameter of the tandem type double-wind-wheel power generation system is abnormal, performing abnormal working state control on the tandem type double-wind-wheel power generation system.
The first threshold may be a preset value, which is not limited in this disclosure.
In addition, if any working parameter of the tandem double-wind-wheel power generation system exceeds a rated value corresponding to the working parameter, the working parameter can be considered to be abnormal, and therefore the abnormal working state of the tandem double-wind-wheel power generation system can be controlled according to the working parameter.
It will be appreciated that historical incoming wind speeds during operation of the wind turbine may be recorded so that the current incoming wind speed may be compared to the historical incoming wind speed. If the difference value of any historical incoming flow wind speed between the current incoming flow wind speed and the historical incoming flow wind speed is larger than the first threshold value, the fact that the current incoming flow wind speed is too large can be determined.
If the fan operates at an excessive incoming flow speed, the generated rotating speed may be excessive, and if the rotating speed is excessive, the fan may be damaged, and the output power may be excessive, so that the performance of the tandem double-wind-wheel power generation system is affected, and the like.
Optionally, in this embodiment of the disclosure, when a difference between a current incoming wind speed and a historical incoming wind speed is greater than a first threshold, the operating frequency and/or the on-time of the power switches in the machine-side converter 1 and the machine-side converter 2 may be adjusted to increase the output torque of the generator, so as to limit the rotational speed of the fan.
It can be understood that, in the case that the difference between the current incoming wind speed and the historical incoming wind speed is greater than the first threshold, the operating frequencies of the power switches in the machine-side converter 1 and the machine-side converter 2 may be adjusted to increase the output torque of the generator, so as to limit the rotational speed of the fan.
Alternatively, the on-time of the power switches in the machine-side converter 1 and the machine-side converter 2 may be adjusted to increase the output torque of the generator, so as to limit the rotational speed of the fan.
Or the working frequency and the conduction duration of the power switching devices in the machine side converter 1 and the machine side converter 2 can be adjusted, so that the output torque of the generator is increased, and the rotating speed of the fan is limited.
The above examples are merely illustrative, and are not intended to limit the manner of controlling the output torque of the generator in the embodiments of the present disclosure. Optionally, when the input torque of the generator in the tandem double-wind-wheel power generation system is greater than the rated torque, the pitch angle may be adjusted to reduce the input torque of the generator, thereby implementing control of the abnormal operating state of the tandem double-wind-wheel power generation system.
If the input torque of the generator is larger than the rated torque, overload may be caused, and damage may be caused to the tandem double-wind-wheel power generation system.
It can be understood that the input torque of the generator is related to the mechanical torque of the fan, and the larger the mechanical torque of the fan is, the larger the input torque of the generator is, and the smaller the input torque of the fan is, the smaller the input torque of the generator is.
Therefore, in the embodiment of the disclosure, if the input torque of the generator is too large, the wind energy obtained by the generator can be reduced by changing the pitch angle of the fan, and the rotating speed and the mechanical torque of the fan are reduced, so that the input torque of the generator is reduced, and the electromagnetic torque input by the machine side converter is reduced accordingly, so that the power balance can be ensured, and the stability and the reliability of the tandem double-wind-wheel power generation system are improved.
According to the embodiment of the disclosure, the current incoming flow wind speed and the working parameters of the tandem double-wind-wheel power generation system can be obtained first, and then the difference value between the current incoming flow wind speed and the historical incoming flow wind speed is larger than the first threshold value, or the abnormal working state of the tandem double-wind-wheel power generation system is controlled under the condition that any one working parameter of the tandem double-wind-wheel power generation system is abnormal. Therefore, the abnormal working state of the tandem type double-wind-wheel power generation system is controlled, the influence on the power generation system caused by abnormality can be reduced, and the running safety and reliability of the tandem type double-wind-wheel power generation system are improved.
Fig. 2 is a schematic flow chart of a control method of a dual wind wheel power generation system according to an embodiment of the present disclosure. As shown in fig. 2, the control method of the dual wind turbine power generation system may include the steps of:
It should be noted that specific contents and implementation manners of step 201 may refer to descriptions of other embodiments of the present disclosure, and are not described herein again.
The voltage threshold may be a preset value, which is not limited in this disclosure.
It can be understood that when the voltage of the power grid side is smaller than the voltage threshold, it can be considered that a low-voltage fault occurs on the power grid side, and at this time, the abnormal working state control can be performed on the tandem type double-wind-wheel power generation system.
For example, the output voltage of the grid-side converter 3 may be reduced by adjusting the operating frequency of the power switches in the grid-side converter 3, so as to reduce the influence on the grid side as much as possible.
Alternatively, the output voltage of the grid-side converter 3 may be reduced by adjusting the on-time of the power switch in the grid-side converter 3, so as to reduce the influence on the grid side as much as possible.
Or, the output voltage of the grid-side converter 3 may be reduced by adjusting the operating frequency and the on-time of the power switch device in the grid-side converter 3, so as to reduce the influence on the grid side as much as possible.
The above examples are merely illustrative, and are not intended to limit the manner of reducing the output voltage of the grid-side converter 3 in the embodiments of the present disclosure.
In a possible implementation manner, the tandem double wind wheel power generation system may further include a voltage reduction circuit connected to the grid-side converter 3, so that, in the case that the grid-side voltage is smaller than the voltage threshold, the voltage reduction circuit may be activated and the output voltage of the voltage reduction circuit may be controlled to match the grid-side voltage.
Optionally, under the condition that the voltage of the grid side is smaller than the voltage threshold and the duration is longer than the time threshold, the connection between the grid side converter 3 and the grid can be disconnected, and a grid fault early warning indication is sent.
The voltage threshold may be a preset value, which is not limited in this disclosure.
It can be understood that, in an actual implementation process, if the duration of the grid-side voltage being smaller than the voltage threshold exceeds a preset time threshold, the grid may be considered to have a fault, and at this time, the grid-side converter 3 may be disconnected from the grid, and a grid fault early warning indication may be sent, so that related personnel may respond in time according to the early warning indication, thereby ensuring the safety of the tandem-type double-wind-wheel power generation system.
In a possible implementation manner, the tandem double-wind-wheel power generation system can further comprise an alternating current energy consumption device connected in parallel to two sides of the machine-side converter and the generator. For example, a schematic diagram of a tandem dual wind turbine power generation system may be shown in fig. 2A.
Therefore, the alternating current energy consumption device is started under the condition that the variable pitch operation executed by the variable pitch mechanism is not matched with the control command and the difference value between the current incoming flow wind speed and the historical incoming flow wind speed is larger than the second threshold value.
The second threshold may be a preset value, which is not limited in this disclosure.
It can be understood that if the pitch command executed by the pitch mechanism does not match the control command, or the pitch mechanism does not execute the pitch command, the pitch fault can be considered to occur.
In addition, if the difference value between the current incoming flow wind speed and the historical incoming flow wind speed is larger than the second threshold value, it can be determined that the mechanical power input to the corresponding generator is also larger, the generator is in an overload state, the rectification current value can be limited through the machine side converter, and the alternating current energy consumption device is started, so that the alternating current energy consumption device can absorb the overload electric energy of the generator, the tandem type double-wind-wheel power generation system can safely and stably operate, and the safety and the reliability of the tandem type double-wind-wheel power generation system are improved.
It should be noted that the structure, number, and the like of the tandem double wind wheel power generation system may be adjusted as needed, and the schematic diagram shown in fig. 2A is only a schematic illustration, which is not limited in this disclosure.
According to the embodiment of the disclosure, the current incoming wind speed and the working parameters of the tandem double-wind-wheel power generation system can be obtained, and the working frequency and/or the conducting duration of the power switch device in the grid-side converter 3 are/is adjusted under the condition that the voltage of the grid side is smaller than the voltage threshold value, so that the output voltage of the grid-side converter 3 is reduced, and the safe and stable operation of the tandem double-wind-wheel power generation system is ensured.
In order to realize the embodiment, the disclosure further provides an abnormality control device of the tandem double-wind-wheel power generation system.
Fig. 3 is a schematic structural diagram of an abnormality control device of a tandem double-wind-wheel power generation system according to an embodiment of the present disclosure.
As shown in fig. 3, the abnormality control apparatus 100 of the tandem double wind turbine power generation system may include: an acquisition module 110, and a control module 120.
Wherein, double wind wheel power generation system of tandem includes: a three-port current transformer; wherein the three-port converter comprises: the system comprises a machine side converter 1, a machine side converter 2 and a network side converter 3; the machine side converter 1 is connected with a front wind wheel generator, the machine side converter 2 is connected with a rear wind wheel generator, and the grid side converter 3 is connected with a power grid;
the control device 100 includes:
the obtaining module 110 is configured to obtain a current incoming wind speed and working parameters of the tandem dual-wind-wheel power generation system.
The control module 120 is configured to perform abnormal operating state control on the tandem double-wind-wheel power generation system when a difference between the current incoming wind speed and a historical incoming wind speed is greater than a first threshold, or when any one of operating parameters of the tandem double-wind-wheel power generation system is abnormal.
Optionally, the control module 120 is specifically configured to: and under the condition that the difference value between the current incoming wind speed and the historical incoming wind speed is larger than a first threshold value, adjusting the working frequency and/or the conduction time of power switching devices in the machine side converter 1 and the machine side converter 2 so as to increase the output torque of the generator.
Optionally, the control module 120 is further specifically configured to: and under the condition that the input torque of a generator in the tandem type double-wind-wheel power generation system is larger than the rated torque, adjusting the pitch angle to reduce the input torque of the generator.
Optionally, the control module 120 is further specifically configured to: and under the condition that the voltage of the grid side is smaller than the voltage threshold, adjusting the working frequency and/or the conducting time of a power switch device in the grid side converter 3 to reduce the output voltage of the grid side converter 3.
Optionally, the tandem double-wind-wheel power generation system further includes a voltage reduction circuit connected to the grid-side converter 3, and the control module 120 is further specifically configured to: and starting the voltage reduction circuit, and controlling the output voltage of the voltage reduction circuit to be matched with the voltage of the power grid side.
Optionally, the control module 120 is further specifically configured to: and under the condition that the voltage of the power grid side is smaller than the voltage threshold and the duration is longer than the time threshold, disconnecting the grid side converter 3 from the power grid and sending a power grid fault early warning indication.
Optionally, the tandem double-wind-wheel power generation system further includes an ac energy consumption device connected in parallel to two sides of the generator and the machine-side converter, and the control module 120 is further specifically configured to: and starting the alternating current energy consumption device under the condition that the pitch control operation executed by the pitch control mechanism is not matched with the control command and the difference value between the current incoming flow wind speed and the historical incoming flow wind speed is greater than a second threshold value.
The functions and specific implementation principles of the modules in the embodiments of the present disclosure may refer to the embodiments of the methods, and are not described herein again.
The abnormality control device for the tandem double-wind-wheel power generation system provided by the disclosure can acquire the current incoming wind speed and the working parameters of the tandem double-wind-wheel power generation system, and then perform abnormal working state control on the tandem double-wind-wheel power generation system when the difference between the current incoming wind speed and the historical incoming wind speed is larger than a first threshold value, or when any one of the working parameters of the tandem double-wind-wheel power generation system is abnormal. Therefore, the abnormal working state of the tandem type double-wind-wheel power generation system is controlled, the influence on the power generation system caused by abnormality can be reduced, and the running safety and reliability of the tandem type double-wind-wheel power generation system are improved.
In order to realize the embodiment, the disclosure further provides an abnormality control system of the tandem double-wind-wheel power generation system.
Wherein, double wind wheel power generation system of tandem includes: a three-port current transformer; wherein, three-port converter includes: the system comprises a machine side converter 1, a machine side converter 2 and a network side converter 3; the machine side converter 1 is connected with a front wind wheel generator, the machine side converter 2 is connected with a rear wind wheel generator, and the grid side converter 3 is connected with a power grid;
the control system comprises: the signal acquisition unit and the controller are connected with each other;
the signal acquisition unit is used for acquiring working parameters of a generator, a wind wheel and the three-port converter in the tandem double-wind-wheel power generation system;
the controller is configured to control the tandem double-wind-wheel power generation system according to the working parameters acquired by the signal acquisition unit, so as to implement the abnormal control method of the tandem double-wind-wheel power generation system in any of the embodiments.
According to the abnormal control system of the tandem double-wind-wheel power generation system, the current incoming wind speed and the working parameters of the tandem double-wind-wheel power generation system can be obtained firstly, and then the abnormal working state of the tandem double-wind-wheel power generation system is controlled when the difference value between the current incoming wind speed and the historical incoming wind speed is larger than a first threshold value or when any one working parameter of the tandem double-wind-wheel power generation system is abnormal. Therefore, the abnormal working state of the tandem type double-wind-wheel power generation system is controlled, the influence on the power generation system caused by abnormality can be reduced, and the running safety and reliability of the tandem type double-wind-wheel power generation system are improved.
In order to implement the above embodiments, the present disclosure also provides an electronic device, including: the abnormal control method for the tandem type double-wind-wheel power generation system comprises a memory, a processor and a computer program which is stored on the memory and can run on the processor, wherein when the processor executes the program, the abnormal control method for the tandem type double-wind-wheel power generation system is realized.
In order to achieve the above embodiments, the present disclosure also proposes a non-transitory computer readable storage medium storing a computer program, which when executed by a processor implements the abnormality control method of the tandem dual wind turbine power generation system as proposed by the foregoing embodiments of the present disclosure.
In order to achieve the above embodiments, the present disclosure further provides a computer program product, which when executed by an instruction processor in the computer program product, executes the abnormality control method of the tandem dual wind turbine power generation system as set forth in the foregoing embodiments of the present disclosure.
FIG. 4 illustrates a block diagram of an exemplary electronic device suitable for use in implementing embodiments of the present disclosure. The electronic device 12 shown in fig. 4 is only an example and should not bring any limitations to the functionality and scope of use of the embodiments of the present disclosure.
As shown in FIG. 4, electronic device 12 is embodied in the form of a general purpose computing device. The components of electronic device 12 may include, but are not limited to: one or more processors or processing units 16, a system memory 28, and a bus 18 that couples various system components including the system memory 28 and the processing unit 16.
Electronic device 12 typically includes a variety of computer system readable media. Such media may be any available media that is accessible by electronic device 12 and includes both volatile and nonvolatile media, removable and non-removable media.
A program/utility 40 having a set (at least one) of program modules 42 may be stored, for example, in memory 28, such program modules 42 including, but not limited to, an operating system, one or more application programs, other program modules, and program data, each of which examples or some combination thereof may comprise an implementation of a network environment. Program modules 42 generally perform the functions and/or methodologies of the embodiments described in this disclosure.
Electronic device 12 may also communicate with one or more external devices 14 (e.g., keyboard, pointing device, display 24, etc.), with one or more devices that enable a user to interact with electronic device 12, and/or with any devices (e.g., network card, modem, etc.) that enable electronic device 12 to communicate with one or more other computing devices. Such communication may be through an input/output (I/O) interface 22. Also, the electronic device 12 may communicate with one or more networks (e.g., a Local Area Network (LAN), a Wide Area Network (WAN), and/or a public Network such as the Internet) via the Network adapter 20. As shown, the network adapter 20 communicates with other modules of the electronic device 12 via the bus 18. It should be understood that although not shown in the figures, other hardware and/or software modules may be used in conjunction with electronic device 12, including but not limited to: microcode, device drivers, redundant processing units, external disk drive arrays, RAID systems, tape drives, and data backup storage systems, among others.
The processing unit 16 executes various functional applications and data processing, for example, implementing the methods mentioned in the foregoing embodiments, by executing programs stored in the system memory 28.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present disclosure. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present disclosure, "a plurality" means at least two, e.g., two, three, etc., unless explicitly specifically limited otherwise.
Any process or method descriptions in flow charts or otherwise described herein may be understood as representing modules, segments, or portions of code which include one or more executable instructions for implementing steps of a custom logic function or process, and alternate implementations are included within the scope of the preferred embodiment of the present disclosure in which functions may be executed out of order from that shown or discussed, including substantially concurrently or in reverse order, depending on the functionality involved, as would be understood by those reasonably skilled in the art of the embodiments of the present disclosure.
The logic and/or steps represented in the flowcharts or otherwise described herein, e.g., an ordered listing of executable instructions that can be considered to implement logical functions, can be embodied in any computer-readable medium for use by or in connection with an instruction execution system, apparatus, or device, such as a computer-based system, processor-containing system, or other system that can fetch the instructions from the instruction execution system, apparatus, or device and execute the instructions. For the purposes of this description, a "computer-readable medium" can be any means that can contain, store, communicate, propagate, or transport the program for use by or in connection with the instruction execution system, apparatus, or device. More specific examples (a non-exhaustive list) of the computer-readable medium would include the following: an electrical connection (electronic device) having one or more wires, a portable computer diskette (magnetic device), a Random Access Memory (RAM), a read-only memory (ROM), an erasable programmable read-only memory (EPROM or flash memory), an optical fiber device, and a portable compact disc read-only memory (CDROM). Additionally, the computer-readable medium could even be paper or another suitable medium upon which the program is printed, as the program can be electronically captured, via for instance optical scanning of the paper or other medium, then compiled, interpreted or otherwise processed in a suitable manner if necessary, and then stored in a computer memory.
It should be understood that portions of the present disclosure may be implemented in hardware, software, firmware, or a combination thereof. In the above embodiments, the various steps or methods may be implemented in software or firmware stored in memory and executed by a suitable instruction execution system. If implemented in hardware, as in another embodiment, any one or combination of the following techniques, which are known in the art, may be used: a discrete logic circuit having a logic gate circuit for implementing a logic function on a data signal, an application specific integrated circuit having an appropriate combinational logic gate circuit, a Programmable Gate Array (PGA), a Field Programmable Gate Array (FPGA), or the like.
It will be understood by those skilled in the art that all or part of the steps carried by the method for implementing the above embodiments may be implemented by hardware related to instructions of a program, which may be stored in a computer readable storage medium, and when the program is executed, the program includes one or a combination of the steps of the method embodiments.
In addition, functional units in the embodiments of the present disclosure may be integrated into one processing module, or each unit may exist alone physically, or two or more units are integrated into one module. The integrated module can be realized in a hardware mode, and can also be realized in a software functional module mode. The integrated module, if implemented in the form of a software functional module and sold or used as a stand-alone product, may also be stored in a computer readable storage medium.
The storage medium mentioned above may be a read-only memory, a magnetic or optical disk, etc. Although embodiments of the present disclosure have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present disclosure, and that changes, modifications, substitutions and alterations may be made to the above embodiments by those of ordinary skill in the art within the scope of the present disclosure.
Claims (15)
1. An abnormality control method for a tandem double wind turbine power generation system, characterized in that the tandem double wind turbine power generation system includes: a three-port current transformer; wherein the three-port converter comprises: the system comprises a machine side converter 1, a machine side converter 2 and a network side converter 3; the machine side converter 1 is connected with a front wind wheel generator, the machine side converter 2 is connected with a rear wind wheel generator, and the grid side converter 3 is connected with a power grid;
the method comprises the following steps:
acquiring the current incoming flow wind speed and working parameters of the tandem type double-wind-wheel power generation system;
and when the difference value between the current incoming flow wind speed and the historical incoming flow wind speed is larger than a first threshold value, or when any one working parameter of the tandem double-wind-wheel power generation system is abnormal, performing abnormal working state control on the tandem double-wind-wheel power generation system.
2. The method of claim 1, wherein said abnormal operating condition controlling said tandem dual wind turbine power generation system comprises:
and under the condition that the difference value between the current incoming wind speed and the historical incoming wind speed is larger than a first threshold value, adjusting the working frequency and/or the conduction time of power switching devices in the machine side converter 1 and the machine side converter 2 so as to increase the output torque of the generator.
3. The method of claim 1, wherein said abnormal operating condition controlling said tandem dual wind turbine power generation system comprises:
and under the condition that the input torque of a generator in the tandem type double-wind-wheel power generation system is larger than the rated torque, adjusting the pitch angle to reduce the input torque of the generator.
4. The method of claim 1, wherein said abnormal operating condition controlling said tandem dual wind turbine power generation system comprises:
and under the condition that the voltage of the grid side is smaller than the voltage threshold, adjusting the working frequency and/or the conducting time of a power switch device in the grid side converter 3 to reduce the output voltage of the grid side converter 3.
5. The method of claim 4, further comprising a voltage reduction circuit connected to the grid-side converter 3 in the series dual wind turbine power generation system, the method further comprising:
and starting the voltage reduction circuit, and controlling the output voltage of the voltage reduction circuit to be matched with the voltage of the power grid side.
6. The method according to any one of claims 1 to 5, wherein said abnormal operation state control of said tandem dual wind turbine power generation system comprises:
and under the condition that the voltage of the power grid side is smaller than the voltage threshold and the duration is longer than the time threshold, disconnecting the grid side converter 3 from the power grid and sending a power grid fault early warning indication.
7. The method according to any one of claims 1 to 5, wherein the tandem dual wind turbine power generation system further comprises an ac energy consuming device connected in parallel to both sides of the machine side converter and the generator, and the abnormal operation state control of the tandem dual wind turbine power generation system comprises:
and starting the alternating current energy consumption device under the condition that the pitch control operation executed by the pitch control mechanism is not matched with the control command and the difference value between the current incoming flow wind speed and the historical incoming flow wind speed is greater than a second threshold value.
8. An abnormality control device of a tandem double wind turbine power generation system, characterized by comprising: a three-port current transformer; wherein the three-port converter comprises: the system comprises a machine side converter 1, a machine side converter 2 and a network side converter 3; the machine side converter 1 is connected with a front wind wheel generator, the machine side converter 2 is connected with a rear wind wheel generator, and the grid side converter 3 is connected with a power grid;
the control device includes:
the acquisition module is used for acquiring the current incoming flow wind speed and working parameters of the tandem type double-wind-wheel power generation system;
and the control module is used for controlling the abnormal working state of the tandem double-wind-wheel power generation system when the difference value between the current incoming wind speed and the historical incoming wind speed is larger than a first threshold value or when any working parameter of the tandem double-wind-wheel power generation system is abnormal.
9. The apparatus of claim 8, wherein the control module is specifically configured to:
and under the condition that the difference value between the current incoming wind speed and the historical incoming wind speed is larger than a first threshold value, adjusting the working frequency and/or the conduction time of power switching devices in the machine side converter 1 and the machine side converter 2 so as to increase the output torque of the generator.
10. The apparatus of claim 8, wherein the control module is further specifically configured to:
and under the condition that the input torque of a generator in the tandem type double-wind-wheel power generation system is larger than the rated torque, adjusting the pitch angle to reduce the input torque of the generator.
11. The apparatus of claim 8, wherein the control module is specifically configured to:
and under the condition that the voltage of the grid side is smaller than the voltage threshold, adjusting the working frequency and/or the conducting time of a power switch device in the grid side converter 3 to reduce the output voltage of the grid side converter 3.
12. The apparatus according to claim 11, wherein the tandem dual wind turbine power generation system further comprises a voltage reduction circuit connected to the grid-side converter 3, and the control module is specifically configured to:
and starting the voltage reduction circuit, and controlling the output voltage of the voltage reduction circuit to be matched with the voltage of the power grid side.
13. The apparatus of any one of claims 8-12, wherein the control module is further specifically configured to:
and under the condition that the voltage of the power grid side is smaller than the voltage threshold and the duration is longer than the time threshold, disconnecting the grid side converter 3 from the power grid and sending a power grid fault early warning indication.
14. The apparatus of any one of claims 8-12, wherein the tandem dual wind turbine power generation system further comprises ac energy dissipation devices connected in parallel to both sides of the machine-side converter and the generator, and the control module is further configured to:
and starting the alternating current energy consumption device under the condition that the pitch control operation executed by the pitch control mechanism is not matched with the control command and the difference value between the current incoming flow wind speed and the historical incoming flow wind speed is greater than a second threshold value.
15. An abnormality control system of a tandem double wind turbine power generation system, characterized by comprising: a three-port current transformer; wherein the three-port converter comprises: the system comprises a machine side converter 1, a machine side converter 2 and a network side converter 3; the machine side converter 1 is connected with a front wind wheel generator, the machine side converter 2 is connected with a rear wind wheel generator, and the grid side converter 3 is connected with a power grid;
the control system comprises: the signal acquisition unit and the controller are connected with each other;
the signal acquisition unit is used for acquiring working parameters of a generator, a wind wheel and the three-port converter in the tandem double-wind-wheel power generation system;
the controller is used for controlling the tandem double-wind-wheel power generation system according to the working parameters acquired by the signal acquisition unit so as to realize the abnormal control method of the tandem double-wind-wheel power generation system according to any one of claims 1 to 7.
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101710815A (en) * | 2009-11-26 | 2010-05-19 | 上海大学 | System and method for controlling low voltage ride through of grid side converter of double-feed induction wind driven generator in power grid three-phase short-circuit failure |
| CN102214931A (en) * | 2011-05-24 | 2011-10-12 | 浙江大学 | Device and method for low voltage ride through of double-fed inductive wind power generator system |
| CN104836257A (en) * | 2015-06-02 | 2015-08-12 | 中国农业大学 | Integrated low-voltage ride through regulation and control device of wind power generation |
| CN108894918A (en) * | 2018-06-21 | 2018-11-27 | 北京金风科创风电设备有限公司 | Pitch control method and device and computer readable storage medium |
| CN110518600A (en) * | 2019-05-22 | 2019-11-29 | 国网辽宁省电力有限公司电力科学研究院 | A kind of grid-connected active support and control structure of PMSG of the modified multi-machine parallel connection based on VSG |
| CN111521908A (en) * | 2020-04-30 | 2020-08-11 | 华中科技大学 | Alternating current fault positioning method applied to four-end wind power direct current power grid |
| CN112952900A (en) * | 2021-01-26 | 2021-06-11 | 中国华能集团清洁能源技术研究院有限公司 | Fault ride-through control method and system for double-wind-wheel wind generating set |
-
2021
- 2021-09-06 CN CN202111040253.8A patent/CN113890084B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101710815A (en) * | 2009-11-26 | 2010-05-19 | 上海大学 | System and method for controlling low voltage ride through of grid side converter of double-feed induction wind driven generator in power grid three-phase short-circuit failure |
| CN102214931A (en) * | 2011-05-24 | 2011-10-12 | 浙江大学 | Device and method for low voltage ride through of double-fed inductive wind power generator system |
| CN104836257A (en) * | 2015-06-02 | 2015-08-12 | 中国农业大学 | Integrated low-voltage ride through regulation and control device of wind power generation |
| CN108894918A (en) * | 2018-06-21 | 2018-11-27 | 北京金风科创风电设备有限公司 | Pitch control method and device and computer readable storage medium |
| CN110518600A (en) * | 2019-05-22 | 2019-11-29 | 国网辽宁省电力有限公司电力科学研究院 | A kind of grid-connected active support and control structure of PMSG of the modified multi-machine parallel connection based on VSG |
| CN111521908A (en) * | 2020-04-30 | 2020-08-11 | 华中科技大学 | Alternating current fault positioning method applied to four-end wind power direct current power grid |
| CN112952900A (en) * | 2021-01-26 | 2021-06-11 | 中国华能集团清洁能源技术研究院有限公司 | Fault ride-through control method and system for double-wind-wheel wind generating set |
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