CN110360064B - Wind turbine control method and wind turbine - Google Patents
Wind turbine control method and wind turbine Download PDFInfo
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- CN110360064B CN110360064B CN201910644439.0A CN201910644439A CN110360064B CN 110360064 B CN110360064 B CN 110360064B CN 201910644439 A CN201910644439 A CN 201910644439A CN 110360064 B CN110360064 B CN 110360064B
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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
- F03D7/04—Automatic control; Regulation
- F03D7/042—Automatic control; Regulation by means of an electrical or electronic controller
- F03D7/048—Automatic control; Regulation by means of an electrical or electronic controller controlling wind farms
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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
- F03D80/00—Details, components or accessories not provided for in groups F03D1/00 - F03D17/00
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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
- F03D9/00—Adaptations of wind motors for special use; Combinations of wind motors with apparatus driven thereby; Wind motors specially adapted for installation in particular locations
- F03D9/10—Combinations of wind motors with apparatus storing energy
- F03D9/11—Combinations of wind motors with apparatus storing energy storing electrical energy
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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
- F03D9/00—Adaptations of wind motors for special use; Combinations of wind motors with apparatus driven thereby; Wind motors specially adapted for installation in particular locations
- F03D9/20—Wind motors characterised by the driven apparatus
- F03D9/25—Wind motors characterised by the driven apparatus the apparatus being an electrical generator
- F03D9/255—Wind motors characterised by the driven apparatus the apparatus being an electrical generator connected to electrical distribution networks; Arrangements therefor
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H3/00—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection
- H02H3/20—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection responsive to excess voltage
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- H02J3/386—
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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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- 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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- 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
- Y02E70/00—Other energy conversion or management systems reducing GHG emissions
- Y02E70/30—Systems combining energy storage with energy generation of non-fossil origin
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- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Control Of Eletrric Generators (AREA)
- Supply And Distribution Of Alternating Current (AREA)
- Wind Motors (AREA)
Abstract
本发明提供一种风力发电机组控制方法，风力发电机组通过变压器与风电场电网连接，本方法在辅助供电系统的输入端实时检测电压值，并将实时检测的电压值与预设的断电条件进行匹配判定。当匹配判定成功后，断开辅助供电系统的主开关，使得辅助供电系统断开与发电系统以及风电场电网的连接。通过在辅助供电系统的输入端检测电压值，可以实时获知辅助供电系统的输入电压高低。然后根据输入电压高低进行判定，以更精确的控制辅助供电系统的电压，避免频繁停机，保证风力发电机组的发电量。本发明还涉及采用该方法的风力发电机组。
The invention provides a control method for a wind power generating set. The wind power generating set is connected to a wind farm power grid through a transformer. The method detects a voltage value at an input end of an auxiliary power supply system in real time, and compares the real-time detected voltage value with a preset power-off condition. Make a match determination. When the matching is determined to be successful, the main switch of the auxiliary power supply system is disconnected, so that the auxiliary power supply system is disconnected from the power generation system and the power grid of the wind farm. By detecting the voltage value at the input end of the auxiliary power supply system, the input voltage level of the auxiliary power supply system can be known in real time. Then, it is determined according to the input voltage level to more accurately control the voltage of the auxiliary power supply system, avoid frequent shutdowns, and ensure the power generation of the wind turbine. The present invention also relates to a wind turbine using the method.
Description
Technical Field
The invention relates to the field of new energy, in particular to a high-voltage protection control method of a wind generating set and the wind generating set adopting the control method.
Background
The wind generating set converts wind energy into electric energy and transmits the electric energy to a wind power plant power grid. Because the wind power plant power grid is positioned at the tail end of the power grid, the stability of the power grid is poor, and the situation of overhigh voltage is easy to occur. At present, a high voltage ride through standard exists, but high voltage protection is mainly designed for a power generation system, and an auxiliary power supply system parallel to the power generation system also needs to consider the influence of high voltage breakdown so as to protect the safety of related equipment. At present, high-voltage protection for an auxiliary power supply system of a wind generating set is relatively simple, and signal fluctuation in the voltage detection process is easy to cause false triggering of the high-voltage protection, unnecessary shutdown of the wind generating set is caused, and the generated energy is reduced.
Disclosure of Invention
Aiming at the defects in the prior art, the wind generating set control method provided by the invention controls the connection state of the auxiliary power supply system by detecting the voltage value of the input end of the auxiliary power supply system in real time, so as to ensure the reliable operation of the auxiliary power supply system. The method specifically comprises the following scheme:
a control method of a wind generating set comprises the following steps:
connecting a power generation system with a power grid of a wind power plant through a transformer to realize electric energy interaction;
connecting an auxiliary power supply system to a transformer, and detecting a voltage value at the input end of the auxiliary power supply system in real time;
matching and judging the voltage value detected in real time with a preset power-off condition;
and if the matching judgment is successful, disconnecting the transformer from the auxiliary power supply system.
Wherein the power-down condition comprises:
the real-time detected voltage value is higher than the highest withstand voltage of the auxiliary power supply system, and/or
The voltage value detected in real time is higher than the high-penetration standard voltage of the auxiliary power supply system, and the frequency converter is disconnected.
Wherein after disconnecting the transformer from the auxiliary power supply system, further comprising:
adopting an electric power storage device to continuously supply power to a main control detection device in the auxiliary power supply system;
the main control detection device continues to detect the voltage value of the input end of the auxiliary power supply system in real time;
matching and judging the voltage value detected in real time with a preset closing condition;
and if the matching judgment is successful, restoring the connection between the transformer and the auxiliary power supply system.
Wherein the closing condition includes:
the real-time detected voltage value is lower than the high-penetration standard voltage of the auxiliary power supply system.
The application also relates to a wind generating set, which comprises a wind power plant power grid, a transformer, a power generation system and an auxiliary power supply system, wherein the wind power plant power grid is connected with the transformer, the output end of the transformer is respectively connected with the power generation system and the auxiliary power supply system, the transformer is also connected with a main switch in series between the auxiliary power supply systems, the auxiliary power supply system comprises a main control detection device and an electric storage device, the main control detection device detects the voltage value of the input end of the auxiliary power supply system in real time, the power generation system comprises a frequency converter, and the wind generating set is controlled by adopting the wind generating set control method.
The auxiliary power supply system comprises an auxiliary transformer, and the auxiliary transformer is arranged between the main control detection device and the main switch.
The auxiliary power supply system further comprises a variable pitch device, a hydraulic lubrication cooling device, a yaw motor and a test monitoring heating device.
The power storage device is used for supplying power to the hydraulic lubrication cooling device and the test monitoring heating device after the main switch is switched off.
Wherein the power generation system further comprises a generator.
The main switch comprises a switching-off coil, a switching-on coil and a control circuit, wherein the control circuit is used for controlling the switching-off coil or the switching-on coil to work so as to ensure that the main switch is in a disconnected or connected state.
According to the control method of the wind generating set, the power generation system is connected to a power grid of a wind power plant through the transformer to realize electric energy interaction, then the auxiliary power supply system is connected to the transformer, and the auxiliary power supply system is used for carrying out auxiliary control on the power generation system. And detecting a voltage value at the input end of the auxiliary power supply system in real time, and matching and judging the voltage value detected in real time with a preset power-off condition. And when the matching is judged to be successful, disconnecting the transformer from the auxiliary power supply system. The input voltage of the auxiliary power supply system can be known in real time by detecting the voltage value at the input end of the auxiliary power supply system. And then, the voltage of the auxiliary power supply system can be accurately controlled according to the input voltage, so that frequent shutdown is avoided, and the generated energy of the wind generating set is ensured.
The wind generating set provided by the invention adopts the control method for control, so that the defect of high-voltage protection false triggering caused by low voltage value detection precision can be avoided. The generated energy of the wind turbine generator is also ensured.
Drawings
In order to more clearly illustrate the detailed description of the invention or the technical solutions in the prior art, the drawings that are needed in the detailed description of the invention or the prior art will be briefly described below. Throughout the drawings, like elements or portions are generally identified by like reference numerals. In the drawings, elements or portions are not necessarily drawn to scale.
FIG. 1 is a schematic view of a frame of a wind turbine generator system according to the present invention;
FIG. 2 is a flow chart of a wind turbine generator system control method of the present invention;
FIG. 3 is a flow chart of another embodiment of a wind turbine generator system control method of the present invention;
FIG. 4 is a logic diagram of a wind turbine generator system control method of the present invention;
FIG. 5 is a schematic diagram of a main switch in the wind generating set of the present invention.
Detailed Description
Embodiments of the present invention will be described in detail below with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and therefore are only examples, and the protection scope of the present invention is not limited thereby.
Please refer to the wind generating set 100 of the present application shown in fig. 1 and the wind generating set control method of the present application shown in fig. 2. The wind park 100 of the present application includes a wind farm grid 10, a transformer 20, a power generation system 30, and an auxiliary power supply system 40. The wind power plant 10 is located at the end of the wind turbine generator system 100, and the power generation system 30 is used for collecting wind energy and converting the wind energy into electric energy to interact with the wind power plant 10. The wind power plant 10 and the auxiliary power supply system 40 are both connected to the transformer 20, wherein the wind power plant 10 exchanges electric energy with the power generation system 30 through the transformer 20, and the auxiliary power supply system 40 obtains electric energy from the transformer 20 to maintain the operation of each component, so as to ensure the normal operation of the wind turbine generator system 100. Specifically, the auxiliary power supply system 40 is used to provide auxiliary functions such as pitch control, lubrication cooling, yaw motor control, and sensing monitoring necessary for the operation of the wind turbine generator system 100. The output terminal of the transformer 20 is connected to the power generation system 30 and the auxiliary power supply system 40, respectively. The output of the transformer 20 corresponds to the input of the auxiliary power supply system 40 and also to the output of the frequency converter 31. A main switch 50 is also connected in series between the transformer 20 and the auxiliary power supply system 40. It is understood that the main switch 50 is a switch for controlling the auxiliary power supply system 40 to be connected to or disconnected from the transformer 20, and the main switch 50 may be directly disposed in the auxiliary power supply system 40. The auxiliary power supply system 40 includes a main control detection device 41 and an electric storage device 42, and the main control detection device 41 is configured to detect a voltage value at an input end of the auxiliary power supply system 40 in real time. The power generation system 30 further comprises a frequency converter 31. The control method of the wind generating set comprises the following steps:
s10, connecting the power generation system 30 with the wind power plant power grid 10 through the transformer 20 to realize electric energy interaction;
s20, connecting the auxiliary power supply system 40 to the transformer 20, and detecting the voltage value V0 at the input end of the auxiliary power supply system 40 in real time;
s30, matching and judging the voltage value V0 detected in real time with a preset power-off condition;
s40, if the matching is determined to be successful, the transformer 20 and the auxiliary power supply system 40 are disconnected.
Specifically, after the power generation system 30 collects the power, the power needs to be transferred to the wind farm grid 10 through the transformer 20. The power generation system 30 is connected with the wind farm power grid 10 through the transformer 20, so that the electric energy interaction between the power generation system 30 and the wind farm power grid 10 can be realized. The transformer 20 is mostly a box type transformer. The input end of the transformer 20 is the end connected to the wind farm grid 10, and the output end of the transformer 20 is the end connected to the power generation system 30 and the auxiliary power supply system 40. The main control detecting device 41 of the auxiliary power supply system detects the voltage value V0 at the input end of the auxiliary power supply system 40 in real time, that is, detects the voltage of the auxiliary power supply system 40 at the low voltage side of the transformer 20. Where the sensed voltage may result in a more accurate voltage input value to the auxiliary power supply system 40, i.e., the voltage value V0 at the input of the auxiliary power supply system 40. Then, the voltage value V0 is matched with the preset power-off condition, and once the power-off condition is met, the main switch 50 is immediately turned off, so that the voltage at the transformer 20 cannot be transmitted to the auxiliary power supply system 40, and the auxiliary power supply system 40 is prevented from being damaged by high-voltage breakdown. Wherein the power-off condition includes:
the real-time detected voltage value V0 is higher than the maximum withstanding voltage V2 of the auxiliary power supply system 40, and/or
The voltage value V0 detected in real time is higher than the high-penetration standard voltage V1 of the auxiliary power supply system 40, and the frequency converter 31 is disconnected.
Specifically, the high-pass standard voltage V1 for the auxiliary power supply system 40 is typically lower than the maximum withstand voltage V2. Therefore, in the process of determining whether the power-off condition is satisfied, if the high-breakdown standard voltage V1 is set as the power-off condition, there is a high possibility that the auxiliary power supply system 40 may still continue to operate, but is shut down because the real-time detected voltage value V0 is higher than the high-breakdown standard voltage V1 of the auxiliary power supply system 40. In this case, the wind turbine generator system 100 does not necessarily have to be shut down, and is often unnecessary. At this time, since the processing speed of the inverter 31 is faster than the main control detection device 41 of the auxiliary power supply system 40, if the voltage value V0 at the input end of the auxiliary power supply system 40 exceeds the maximum withstand voltage V2 of the auxiliary power supply system 40, the inverter 31 is also disconnected. That is, the frequency converter 31 is introduced as the auxiliary judgment mechanism, and the operation of the auxiliary power supply system 40 can be continuously maintained in the case of V1 < V0 < V2 because it is detected that the frequency converter 31 is not disconnected. At this time, since V0 < V2, it can be determined that the real-time detected voltage value V0 does not actually affect the normal operation of the auxiliary power supply system 40. Therefore, by adopting the control method of the invention, the false triggering condition of the auxiliary power supply system 40 formed under the condition that V1 is more than V0 is more than V2 can be avoided, so that the shutdown frequency of the auxiliary power supply system 40 can be reduced, the normal work of the wind generating set 100 is ensured, and the generating efficiency is improved.
Referring to fig. 3, after the step S40, disconnecting the transformer 20 from the auxiliary power supply system 40, the method further includes:
s50, continuing to supply power to the main control detection device 41 in the auxiliary power supply system 40 by using the power storage device 42;
s60, the main control detection device 41 continues to detect the voltage value V0 at the input end of the auxiliary power supply system 40 in real time;
s70, matching and judging the voltage value VO detected in real time and a preset closing condition;
and S80, if the matching judgment is successful, restoring the connection between the transformer 20 and the auxiliary power supply system 40.
Specifically, since the auxiliary power supply system 40 further includes the electrical storage device 42 (usually, a UPS), after the main switch 50 at the auxiliary power supply system 40 is turned off, the electrical storage device 42 can also provide power to the main control detection device 41 for a certain time, so that the main control detection device 41 continues to operate, and detects the real-time voltage value V0 at the input end of the auxiliary power supply system 40 in real time. As mentioned above, the voltage at the wind farm power grid 10 is typically in a fluctuating state, and typically falls back after a period of time after the real-time voltage value V0 exceeds the maximum withstand voltage V2 of the auxiliary power supply system 40. The voltage after the fallback already meets the operational needs of the auxiliary power supply system 40 and no longer needs continuous high voltage protection. Therefore, the real-time voltage value V0 can be matched with the preset switching-on condition, and the connection between the transformer 20 and the auxiliary power supply system 40 can be restored by controlling the main switch 50 after the judgment is successful. Wherein, the closing condition includes:
the real-time detected voltage value V0 is lower than the high-penetration standard voltage V2 of the auxiliary power supply system.
It will be appreciated that when power to the auxiliary power supply system 40 is restored, a condition is sufficient as long as the voltage value V0 is lower than the high-penetration standard power supply V2. At this time, the frequency converter 41 is not required to be introduced as a judgment standard, and the requirement of normal operation of the auxiliary power supply system 40 can be met.
Therefore, referring to fig. 4, the logic diagram of the whole process of the control method of the present application can be used to more accurately control the electrical connection between the auxiliary power supply system 40 and the transformer 20 by detecting the real-time voltage value V0 at the input end of the auxiliary power supply system 40 and introducing the power-off condition for judgment. Then, by continuously detecting the real-time voltage value V0 at the input end of the auxiliary power supply system 40 and performing judgment according to the closing condition, automatic closing of the auxiliary power supply system 40 can be realized, the auxiliary power supply system 40 is protected from working more effectively, and the situation of false triggering of high-voltage protection is avoided.
Referring back to fig. 1, the auxiliary power supply system 40 further includes an auxiliary transformer 43, and the auxiliary transformer 43 is disposed between the main control detection device 41 and the main switch 50. The auxiliary transformer 43 is used to adjust the voltage transmitted from the input terminal of the auxiliary power supply system 40, so that it can more stably meet the usage requirement of the main control detection device 41. Further, the auxiliary power supply system 40 further includes a pitch device 44 for adjusting a rotation angle of a blade in the wind farm power grid 10, a hydraulic lubrication cooling device 45 for providing hydraulic power, lubrication and cooling functions for the wind turbine generator set 100, a yaw motor 46 for adjusting a windward direction of a wind turbine in the wind turbine generator set 100, and a test monitoring heating device 47 for testing and monitoring functions of the wind turbine generator set 100, including heating. These components are also connected to an auxiliary transformer 43, and the auxiliary transformer 43 provides a stable operating power. Of course, after the transformer 20 and the auxiliary power supply system 40 are disconnected, the power storage device 42 may be used to supply power to the hydraulic lubrication cooling device 45 and the test monitoring heating device 47, so as to ensure that part of the functions of the entire auxiliary power supply system 40 will not stop working due to voltage fluctuation at the input end of the auxiliary power supply system 40, thereby maintaining the normal operation of the wind turbine generator system 100 and improving the power generation efficiency. Of course, when the power of the power storage device 42 is sufficient, the power storage device 42 may also supply power to the pitch device 44 and the yaw motor 46, so as to further ensure the normal operation of the wind turbine generator system 100.
In the embodiment of FIG. 1, the power generation system 30 also includes a generator 32. The generator 32 is connected to the output of the transformer 20 via a frequency converter 31. It can be understood that the frequency converter 31 can protect the generator 32 by disconnecting from the network when the voltage value VO at the output of the transformer 20 is too high.
Referring to fig. 5, the main switch 50 includes an opening coil 51, a closing coil 52 and a control circuit 53. The control circuit 53 is used for controlling the opening coil 51 to work to realize the opening of the main switch 50, or the control circuit 53 is used for controlling the closing coil 52 to work to realize the conduction of the main switch 50. The opening coil 51 and the closing coil 52 are interlocked through hardware, so that the specific working state of the control circuit 53 is only in two conditions of independent disconnection or independent conduction, and the phenomenon of accidental short circuit or disconnection caused by logic error of the main switch 50 is avoided.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention, and they should be construed as being included in the following claims and description.
Claims (9)
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112881820B (en) * | 2019-11-29 | 2024-05-24 | 西门子歌美飒可再生能源创新与技术有限公司 | Power system and method of performing a test procedure of a power system of a wind turbine |
| CN113162114B (en) * | 2021-04-22 | 2023-03-24 | 燕山大学 | Hydraulic wind power generation high voltage ride through control system and method |
| CN113685317B (en) * | 2021-09-18 | 2023-04-25 | 中国船舶重工集团海装风电股份有限公司 | A method for comprehensive power distribution of floating wind turbines |
| CN116335898B (en) * | 2021-12-24 | 2025-06-13 | 北京金风科创风电设备有限公司 | Generator cooling control method and device for wind turbine generator set |
| CN117869184B (en) * | 2023-11-30 | 2024-08-20 | 中国电力工程顾问集团东北电力设计院有限公司 | Wind generating set and whole machine control method |
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