CN111779626A - Method for keeping fan continuously running under condition of anemometer fault - Google Patents

Method for keeping fan continuously running under condition of anemometer fault Download PDF

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Publication number
CN111779626A
CN111779626A CN202010464586.2A CN202010464586A CN111779626A CN 111779626 A CN111779626 A CN 111779626A CN 202010464586 A CN202010464586 A CN 202010464586A CN 111779626 A CN111779626 A CN 111779626A
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CN
China
Prior art keywords
wind
generating set
wind speed
standby
wind generating
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Pending
Application number
CN202010464586.2A
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Chinese (zh)
Inventor
陈帅
赵伟
陈�峰
伏洪兵
王静
杨极光
孙英
余业祥
魏光燏
展宗霖
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Dongfang Electric Wind Power Co Ltd
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Dongfang Electric Wind Power Co Ltd
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Publication date
Application filed by Dongfang Electric Wind Power Co Ltd filed Critical Dongfang Electric Wind Power Co Ltd
Priority to CN202010464586.2A priority Critical patent/CN111779626A/en
Publication of CN111779626A publication Critical patent/CN111779626A/en
Pending legal-status Critical Current

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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F03MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
    • F03DWIND MOTORS
    • F03D7/00Controlling wind motors 
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05BINDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
    • F05B2270/00Control
    • F05B2270/30Control parameters, e.g. input parameters
    • F05B2270/32Wind speeds
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00Energy generation through renewable energy sources
    • Y02E10/70Wind energy
    • Y02E10/72Wind turbines with rotation axis in wind direction

Abstract

The invention discloses a method for keeping a fan continuously running under the condition of anemometer failure, belonging to the technical field of electronic information and comprising the following steps: an SCADA central monitoring system is used as a networking medium among different wind generating sets; starting each wind generating set through an SCADA central monitoring system and setting a standby wind speed; acquiring a standby wind speed in real time through an SCADA central monitoring system, and forwarding the standby wind speed to a target wind generating set; and the master control system of the target wind generating set performs operation control on the target wind generating set according to the real-time standby wind speed forwarded by the SCADA central monitoring system so as to achieve the purposes of continuing operation of the wind generating set under the fault state of the anemometer and improving the generating efficiency and the utilization rate of the wind generating set.

Description

Method for keeping fan continuously running under condition of anemometer fault
Technical Field
The invention belongs to the technical field of electronic information, and particularly relates to a method for keeping a fan continuously running under the condition of anemometer failure.
Background
Wind energy is a renewable energy source with huge resource potential and mature technology, is more and more emphasized by countries in the world under the new situation of reducing greenhouse gas emission and coping with climate change, and is developed and utilized on a large scale in the world.
The key core technology is mastered by introducing digestion absorption and re-innovation in wind power enterprises, breakthrough progress is made in the aspect of development of wind power units suitable for low wind speed conditions and severe environments, the wind power enterprises are in the leading position of the world, and the world synchronization is basically realized in the aspect of development of large-capacity wind power units. The achievement not only ensures the continuous and rapid development of the wind power industry in China, but also lays a foundation for the realization of the large-scale and strong-scale development of the wind power industry in China.
At present, the current situation that a large number of wind turbine generators are continuously protected is faced, the availability of the wind turbine generators is reduced, the performance reduction of parts such as a transmission system and blades and the shutdown phenomenon caused by faults are serious, when the failure of an anemometer of the wind turbine generator cannot acquire the wind speed, the wind turbine can report errors and shut down, but the wind turbine still has the capability of capturing wind energy and generating electricity at the moment, so that the shutdown of the wind turbine generators can greatly reduce the wind turbine generators, meanwhile, the wind energy cannot be utilized for generating electricity, and the generating efficiency is reduced.
Disclosure of Invention
In view of the above, in order to solve the above problems in the prior art, the present invention provides a method for maintaining a continuous operation of a wind turbine generator system under a failure condition of an anemometer, so as to achieve the purpose of continuously operating the wind turbine generator system under the failure condition of the anemometer, and improving the power generation efficiency and the utilization rate of the wind turbine generator system.
The technical scheme adopted by the invention is as follows: a method of maintaining continuous operation of a wind turbine in the event of an anemometer failure, the method comprising:
an SCADA central monitoring system is used as a networking medium among different wind generating sets;
starting each wind generating set through an SCADA central monitoring system and setting a standby wind speed;
acquiring a standby wind speed in real time through an SCADA central monitoring system, and forwarding the standby wind speed to a target wind generating set;
and the master control system of the target wind generating set performs operation control on the target wind generating set according to the real-time standby wind speed forwarded by the SCADA central monitoring system.
Further, starting and setting a standby wind speed for each wind generating set, and adopting the following method:
setting an input parameter of a standby wind speed through a fan control layer;
writing the input parameters into a database of the SCADA central monitoring system through a fan service layer, and returning to a merge function of a fan Dao layer;
and loading the input parameters in the database into a cache of the database through a flush Mermery function so as to be called by the SCADA central monitoring system.
Furthermore, the input parameter setting of the standby wind speed is carried out through the standby wind speed function set by the fan control layer, and the setting operation of the wind generating set needing to start the standby wind speed and/or the wind generating set to be used as the standby wind speed is realized.
Furthermore, after the input parameters of the standby wind speed are set through the fan control layer, the memory of the SCADA central monitoring system is refreshed and operation logs are recorded, so that the memory in which the input parameters are stored is updated in real time.
Further, the input parameters comprise the ID of the fan with the fault of the anemometer, the ID of the fan selected as the standby wind speed and the name of the fan selected as the standby wind speed, and the input parameters are set.
Further, acquiring a standby wind speed in real time and forwarding the standby wind speed to a target wind generating set, wherein the following method is adopted:
traversing configuration information of all wind generating sets, and determining whether the wind generating sets start standby wind speed;
if the wind generating set with the standby wind speed is started, screening out required wind speed information from the current real-time data, and screening out related information of a fault wind generating set from the obtained configuration information of the wind generating set; if the wind generating set with the standby wind speed is not started, ending the operation;
calling a ModbusTcp protocol to forward the acquired real-time information to a control quantity corresponding to the target wind generating set;
so as to realize the compensation of the wind speed of the fault anemometer through the SCADA central monitoring system.
Further, before configuration information of all the wind generating sets is traversed, Modbus port data of the SCADA central monitoring system are refreshed regularly.
Further, the operation control of the target wind turbine generator set includes: when the master control system of the target wind generating set detects the fault of the anemometer, the master control system of the target wind generating set receives the standby wind speed forwarded by the SCADA central monitoring system, the standby wind speed is used as a power control parameter participating in the target wind generating set, the continuous power generation of the wind generating set is ensured, and the wind speed parameter information close to the wind generating set is used as the standby wind speed, so that the power generation loss caused by the fault of the anemometer is avoided.
The invention has the beneficial effects that:
1. by adopting the method for keeping the continuous operation of the fan under the condition of the anemometer failure, the wind speed of the failed anemometer is compensated by taking the SCADA central monitoring system as an intermediate medium, the wind driven generator with the anemometer failure does not need to be stopped, the standby wind speed is taken as a power control parameter participating in the target wind driven generator set, the continuous power generation of the wind driven generator set is ensured, the wind energy can be effectively utilized for power generation, the continuous operation of the anemometer under the failure state is realized, and the power generation efficiency is improved.
Drawings
FIG. 1 is a flow chart of the method of maintaining continuous operation of a wind turbine with a fault in an anemometer according to the present invention with a standby wind speed enabled and set;
FIG. 2 is a flow chart of the method of maintaining continuous operation of a wind turbine generator system in the presence of anemometer failure provided by the present invention.
Detailed Description
Reference will now be made in detail to embodiments of the present application, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar modules or modules having the same or similar functionality throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present application and are not to be construed as limiting the present application. On the contrary, the embodiments of the application include all changes, modifications and equivalents coming within the spirit and terms of the claims appended hereto.
Example 1
When the anemometer of the wind generating set fails to acquire wind speed, the wind turbine may report an error and stop, but the wind turbine still has the capability of capturing wind energy and generating power through the wind energy.
The principle on which the method is based is as follows: for wind energy, wind speed and wind direction in a small range have similarity, and by utilizing the similarity, nearby wind speed can be collected to serve as standby wind speed of a target wind generating set so as to realize continuous operation of a fan.
In the current networking mode, different wind generating sets do not communicate with each other, and the method comprises the following steps:
1. the SCADA central monitoring system is used as a networking medium among different wind generating sets, and wind speed compensation of the fault anemometer is carried out through the SCADA central monitoring system; in this embodiment, the constituent architecture of the SCADA central monitoring system includes: the wind turbine comprises a fan control layer, a fan service layer, a fan Dao layer (a fan data access interface), a memory and a database, so that functions required by an intermediate medium between different wind turbine generator systems are met.
2. Starting each wind generating set through the SCADA central monitoring system and setting a standby wind speed, as shown in FIG. 1, specifically as follows:
(1) the setting operation of the input parameters is realized by setting a standby wind speed function on a fan control layer, the standby wind speed function is an interface for front-end and rear-end communication, and the setting of the standby wind speed of a certain wind generating set can be realized through the interface. Setting input parameters of the standby wind speed through a standby wind speed function set by a fan control layer, wherein the input parameters comprise a fan ID of an anemometer fault, a fan ID selected as the standby wind speed and a fan name selected as the standby wind speed;
(2) after the input parameters are set, storing the input parameters in a memory of the SCADA central monitoring system, and after the input parameters of the standby wind speed are set through a fan control layer, refreshing the memory of the SCADA central monitoring system and recording an operation log so as to ensure that the SCADA central monitoring system can master the latest input parameter setting condition;
(3) writing input parameters into a database of the SCADA central monitoring system through a function of a fan service layer, and in application, realizing writing operation through a merge function returned to a fan Dao layer to realize writing the input parameters into the database;
(4) and loading the input parameters in the database into a cache of the database through a flush Mermery function so as to be called by the SCADA central monitoring system in time.
3. The standby wind speed is obtained in real time through the SCADA central monitoring system, and forwarded to the target wind generating set, and is realized through a standby wind speed function started in a service layer interface of the SCADA central monitoring system, as shown in fig. 2, specifically as follows:
a. regularly refreshing Modbus port data of the SCADA central monitoring system to ensure that the SCADA central monitoring system can acquire updated data in real time;
b. traversing configuration information of all wind generating sets (namely all wind generating sets in the current networking mode), and determining whether the wind generating sets are started and set with standby wind speed;
c. if the wind generating set with the standby wind speed is started, screening out required wind speed information (namely the standby wind speed) from the current real-time data, and screening out related information of a fault wind generating set from the acquired configuration information of the wind generating set, wherein the related information comprises a real-time wind speed writing address, an IP (Internet protocol), a port and other information; if the wind generating set with the standby wind speed is not started, ending the operation;
d. and calling a ModbusTcp protocol to forward the acquired real-time information (namely the standby wind speed and the related information of the fault wind generating set) to the corresponding control quantity of the target wind generating set.
4. The master control system of the target wind generating set performs operation control on the target wind generating set according to the real-time standby wind speed forwarded by the SCADA central monitoring system, and the method specifically comprises the following steps:
when the master control system of the target wind generating set detects the fault of the anemometer, the master control system of the target wind generating set receives the standby wind speed forwarded by the SCADA central monitoring system, and the standby wind speed is used as a power control parameter participating in the target wind generating set, so that the continuous power generation of the wind generating set is ensured.
Based on the method for keeping the wind turbine continuously running under the condition of anemometer failure, examples in practical application are as follows:
(1) logging in and starting a system, wherein in a networking mode of the system, a No. 1 wind generating set, a No. 2 wind generating set, a No. 3 wind generating set and a No. 4 wind generating set are included in networking;
(2) the wind speed of a certain fan is manually selected in the SCADA central monitoring system to be used as the standby wind speed of the wind generating set, for example: setting a No. 2 wind generating set in the system as a wind generating set needing to start the standby wind speed, and selecting a No. 4 wind generating set as the standby wind speed of the No. 2 wind generating set (namely, corresponding to the setting of the input parameters, and considering the No. 2 wind generating set as being started and setting the standby wind speed);
(3) during operation, configuration information of all wind generating sets is traversed, the wind speed information of the No. 2 wind generating set and the wind speed information of the No. 4 wind generating set are obtained through the SCADA central monitoring system and are used as standby wind speeds, and real-time wind speed writing addresses, IP (Internet protocol) addresses, ports and other information in the No. 2 wind generating set are obtained;
(4) if the wind generating set No. 2 detects the fault of the anemometer, calling the wind speed of the wind generating set No. 4 as the wind generating set No. 2 through a ModbusTcp protocol, and forwarding the standby wind speed to the control quantity of the wind generating set No. 2 through an SCADA central monitoring system;
(5) and the main control system of the No. 2 wind generating set performs operation control according to the real-time standby wind speed forwarded by the SCADA central monitoring system, and performs continuous operation power generation by using the wind speed (namely the wind speed related parameter) as the wind speed operation parameter of the No. 2 wind generating set.
It should be noted that, in the description of the present application, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. Further, in the description of the present application, the meaning of "a plurality" means at least two unless otherwise specified.
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 specific logical functions or steps of the process, and the scope of the preferred embodiments of the present application includes other implementations 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 present application.
It should be understood that portions of the present application 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. For example, 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 application 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.
In the description herein, reference to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., means 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 application. In this specification, the schematic representations of the terms used above do not necessarily 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.
Although embodiments of the present application have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present application, and that variations, 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 application.

Claims (8)

1. A method of maintaining continuous operation of a wind turbine in the event of an anemometer failure, the method comprising:
an SCADA central monitoring system is used as a networking medium among different wind generating sets;
starting each wind generating set through an SCADA central monitoring system and setting a standby wind speed;
acquiring a standby wind speed in real time through an SCADA central monitoring system, and forwarding the standby wind speed to a target wind generating set;
and the master control system of the target wind generating set performs operation control on the target wind generating set according to the real-time standby wind speed forwarded by the SCADA central monitoring system.
2. The method for maintaining continuous operation of a wind turbine in case of anemometer failure of claim 1, wherein the following method is used for starting and setting the standby wind speed for each wind turbine generator set:
setting an input parameter of a standby wind speed through a fan control layer;
writing the input parameters into a database of the SCADA central monitoring system through a fan service layer;
and loading the input parameters in the database into a cache of the database through a flush Mermery function so as to be called by the SCADA central monitoring system.
3. The method of claim 2, wherein the setting of the input parameter of the backup wind speed is performed by setting a backup wind speed function of a fan control layer.
4. The method of claim 2, wherein after the input parameter of the backup wind speed is set through the fan control layer, the memory of the SCADA central monitoring system is refreshed and the operation log is recorded.
5. A method of maintaining continuous operation of a wind turbine in case of anemometer failure according to any of claims 2-4, characterized in that said input parameters comprise the wind turbine ID of the anemometer failure, the wind turbine ID selected as backup wind speed and the wind turbine name selected as backup wind speed.
6. The method for keeping a wind turbine continuously running under the condition of anemometer failure according to claim 1, wherein the standby wind speed is obtained in real time and forwarded to the target wind generating set by adopting the following method:
traversing configuration information of all wind generating sets, and determining whether the wind generating sets start standby wind speed;
if the wind generating set with the standby wind speed is started, screening out required wind speed information from the current real-time data, and screening out related information of a fault wind generating set from the obtained configuration information of the wind generating set; if the wind generating set with the standby wind speed is not started, ending the operation;
and calling a ModbusTcp protocol to forward the acquired real-time information to the corresponding control quantity of the target wind generating set.
7. A method for maintaining continuous wind turbine operation in case of anemometer failure according to claim 6, characterized in that Modbus port data of the SCADA central monitoring system is periodically refreshed before traversing configuration information of all wind turbine generators.
8. The method of claim 1, wherein controlling the operation of the target wind turbine includes: when the master control system of the target wind generating set detects the fault of the anemometer, the master control system of the target wind generating set receives the standby wind speed forwarded by the SCADA central monitoring system, and the standby wind speed is used as a power control parameter participating in the target wind generating set, so that the continuous power generation of the wind generating set is ensured.
CN202010464586.2A 2020-05-28 2020-05-28 Method for keeping fan continuously running under condition of anemometer fault Pending CN111779626A (en)

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Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102434392A (en) * 2011-11-09 2012-05-02 保定天威风电科技有限公司 Wind speed and wind direction sharing system of wind electric field set
CN102619687A (en) * 2012-04-18 2012-08-01 北车风电有限公司 Emergency control method with failure of anemorumbometer of wind generating set
CN103150473A (en) * 2013-03-01 2013-06-12 风脉(武汉)可再生能源技术有限责任公司 Method and device for monitoring and diagnosing generating efficiency of wind turbine generator in real-time manner
US20180328338A1 (en) * 2016-08-31 2018-11-15 Beijing Goldwind Science & Creation Windpower Equipment Co., Ltd. Control method, master controller system, and central controller for wind turbines

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102434392A (en) * 2011-11-09 2012-05-02 保定天威风电科技有限公司 Wind speed and wind direction sharing system of wind electric field set
CN102619687A (en) * 2012-04-18 2012-08-01 北车风电有限公司 Emergency control method with failure of anemorumbometer of wind generating set
CN103150473A (en) * 2013-03-01 2013-06-12 风脉(武汉)可再生能源技术有限责任公司 Method and device for monitoring and diagnosing generating efficiency of wind turbine generator in real-time manner
US20180328338A1 (en) * 2016-08-31 2018-11-15 Beijing Goldwind Science & Creation Windpower Equipment Co., Ltd. Control method, master controller system, and central controller for wind turbines

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