阅读说明：本技术 一种新型的风力发电机组变桨系统模拟维护方法 (Novel wind generating set variable pitch system simulation maintenance method ) 是由 张伟利 葛延 魏清超 王冬宁 赵琳 王占坤 徐海波 王辰诺 牛兆鑫 苗大庆 初宇 于 2020-12-17 设计创作，主要内容包括：本发明公开了一种新型的风力发电机组变桨系统模拟维护方法,属于风力发电机组技术领域,包括软件平台和硬件平台,所述软件平台的内部分别设置有主控制器程序和上位机程序,所述硬件平台的内部分别设置有主控制器、上位机和风力发电机组。本发明采用离线的方式,来模拟维护风力发电机组故障触发与故障处理,提高维护人员的故障处理能力与故障处理效率,可以针对风力发电机组的各个故障进行模拟触发与处理,不受限于不同型号风力发电机组和不同型号的风力发电机组,维护人员可提前对风力发电机组进行模拟维护,增加对风力发电机组以及风力发电机组各个故障处理方式的认识。(The invention discloses a novel simulation maintenance method for a variable pitch system of a wind generating set, which belongs to the technical field of wind generating sets and comprises a software platform and a hardware platform, wherein a main controller program and an upper computer program are respectively arranged in the software platform, and a main controller, an upper computer and the wind generating set are respectively arranged in the hardware platform. The invention adopts an off-line mode to simulate and maintain the fault triggering and fault processing of the wind generating set, improves the fault processing capability and the fault processing efficiency of maintainers, can simulate and trigger and process each fault of the wind generating set, is not limited by wind generating sets of different models and wind generating sets of different models, can simulate and maintain the wind generating set in advance by the maintainers, and increases the knowledge of the wind generating set and each fault processing mode of the wind generating set.)

1. A novel simulation maintenance method for a variable pitch system of a wind generating set is characterized by comprising a software platform (100) and a hardware platform (101), wherein a main controller program (106) and an upper computer program (105) are respectively arranged inside the software platform (100), and a main controller (102), an upper computer (103) and a wind generating set (104) are respectively arranged inside the hardware platform (101);

the method specifically comprises the following steps:

s1: the upper computer (103) reads state data of the wind generating set (104) through the main controller (102);

s2: a wind generating set (104) control instruction is issued to a main controller (102) through an upper computer (103);

s3: the main controller (102) issues a control command to the 104;

s4: the wind generating set (104) executes a control instruction of the upper computer (103);

s5: manually selecting the fault to be triggered by an upper computer (103);

s6: the main controller (102) starts a fault and sends a fault shutdown command to the wind generating set (104);

s7: the wind generating set (104) executes a fault shutdown action;

s8: the main controller (102) randomly generates a fault point sequence number aiming at the triggered fault;

s9: selecting fault points needing to be processed through an upper computer (103);

s10: the main controller (102) compares the sequence number of the selected fault point with the sequence number of the randomly generated fault point;

s11: and resetting and clearing the fault after the comparison is successful, otherwise, the fault cannot be reset and cleared.

2. The novel wind generating set variable pitch system simulation maintenance method according to claim 1, characterized in that: the wind generating set (104) simulates maintenance requirements and establishes a fault list of the wind generating set (104) and a fault handling list of each fault, wherein the fault list comprises all faults of the pitch system, and the fault handling list is all fault points of each fault.

3. The novel wind generating set variable pitch system simulation maintenance method according to claim 1, characterized in that: the S8 randomly generates fault point sequence numbers, and since the frequency of the fault cause is divided into high and low when each fault occurs, different fault points are designed to have different occurrence frequencies, that is, the frequency of fault points which frequently occur is high, and the frequency of fault points which do not occur frequently or occasionally occurs is low.

4. The novel wind generating set variable pitch system simulation maintenance method according to claim 1, characterized in that: the main controller program (106) is responsible for control and fault judgment of the wind generating set (104), and when a certain fault is triggered, the main controller program (106) controls the wind generating set (104) to execute corresponding shutdown actions and feeds back fault information of the wind generating set (104).

5. The novel wind generating set variable pitch system simulation maintenance method according to claim 1, characterized in that: and the upper computer program (105) monitors the state of the variable pitch system through the main controller, and the simulation maintenance process of personnel on the variable pitch system of the wind generating set in operation is realized.

6. The novel wind generating set variable pitch system simulation maintenance method according to claim 1, characterized in that: the wind generating set (104) is separated from an actual wind generating set, and fault triggering and fault processing of the wind generating set (104) are simulated and maintained in an off-line mode, so that the fault processing capacity and the fault processing efficiency of maintenance personnel are improved.

7. The novel wind generating set variable pitch system simulation maintenance method according to claim 1, characterized in that: the main controller (102) simulates a main control system of the wind generating set to realize communication and control with the wind generating set (104), the upper computer (103) is used for information interaction with operators, and the wind generating set (104) is used for simulating the running condition of an actual system.

Technical Field

The invention relates to the technical field of wind generating sets, in particular to a novel simulation maintenance method for a variable pitch system of a wind generating set.

Background

A variable pitch system of a wind generating set is one of core components of the wind generating set, the variable pitch system controls the rotation angle of blades, the maximum angle and the minimum angle of the blades are continuously changed, the wind energy capturing capacity is changed, the opening angle of the blades is increased to capture more wind energy under the condition of low wind speed, the opening angle of the blades is reduced to limit the captured wind energy under the condition of high wind, and then the output power is limited.

In the actual operation process of the pitch system, because the wind speed and the wind direction are constantly changed, the pitch system performs frequent pitch changing actions along with the frequent change of the wind speed, the fault rate of the pitch system is increased, the fault of the pitch system can directly cause the wind generating set to be shut down, meanwhile, the fault treatment and maintenance difficulty of the pitch system is large, the operation is complex, and if the fault cannot be solved in a short time, the economic loss of a certain degree can be brought. This requires a specific and rich supply of practical experience and knowledge from the fault handling maintenance personnel to quickly locate the fault and resolve the fault.

Disclosure of Invention

Therefore, the invention provides a novel simulation maintenance method for a variable pitch system of a wind generating set, and aims to solve the problems that in the prior art, due to the fact that the wind speed and the wind direction of the variable pitch system are constantly changed in the actual operation process, the fault rate of the variable pitch system is increased due to the fact that the variable pitch system carries out frequent variable pitch actions along with the frequent change of the wind speed, the wind generating set is directly shut down due to the fault of the variable pitch system, meanwhile, the fault processing and maintenance difficulty of the variable pitch system is large, the operation is complex, and a certain degree of economic loss is caused if the fault cannot be solved in a short time.

In order to achieve the above object, the embodiments of the present invention provide the following technical solutions: a novel variable pitch system of a wind generating set comprises a software platform and a hardware platform, wherein a main controller program and an upper computer program are respectively arranged inside the software platform, and a main controller, an upper computer and the wind generating set are respectively arranged inside the hardware platform;

a novel simulation maintenance method for a variable pitch system of a wind generating set specifically comprises the following steps:

s1: the upper computer reads the state data of the wind generating set through the main controller;

s2: sending a control instruction of the wind generating set to a main controller through an upper computer;

s3: the main controller issues a control command;

s4: the wind generating set executes the upper computer control instruction;

s5: manually selecting the fault to be triggered by the upper computer;

s6: the main controller starts a fault and sends a fault shutdown instruction to the wind generating set;

s7: the wind generating set executes a fault shutdown action;

s8: the main controller randomly generates fault point serial numbers aiming at the triggered faults;

s9: selecting fault points needing to be processed through an upper computer;

s10: the main controller compares the sequence number of the selected fault point with the sequence number of the randomly generated fault point;

s11: and resetting and clearing the fault after the comparison is successful, otherwise, the fault cannot be reset and cleared.

Further, the wind generating set simulates maintenance requirements and establishes a wind generating set fault list and a fault handling list of each fault, wherein the fault list comprises all faults of the variable pitch system, and the fault handling list is all fault points of each fault.

Further, the S8 randomly generates the fault point serial numbers, and since the frequency of the fault cause is divided into high and low frequencies when each fault occurs, different fault points are designed to have different occurrence frequencies, that is, the frequency of fault points that frequently occur is high, and the frequency of fault points that do not occur frequently or occasionally occurs is low.

Furthermore, the main controller program is responsible for control and fault judgment of the wind generating set, and controls the wind generating set to execute corresponding shutdown actions when a certain fault is triggered, and feeds back fault information of the wind generating set.

Furthermore, the upper computer program monitors the state of the variable pitch system through the main controller, and the simulation maintenance process of personnel on the variable pitch system of the wind generating set in operation is realized.

Furthermore, the wind generating set is separated from an actual wind generating set, fault triggering and fault processing of the wind generating set are simulated and maintained in an off-line mode, and fault processing capacity and fault processing efficiency of maintenance personnel are improved.

Furthermore, the main controller simulates a main control system of the wind generating set to realize communication and control with the wind generating set, the upper computer is used for information interaction with operators, and the wind generating set is used for simulating the running condition of an actual system.

The invention has the following advantages:

1. the simulation maintenance method of the pitch system of the wind generating set comprises a software platform and a hardware platform, wherein the hardware platform mainly comprises a main controller, an upper computer and the wind generating set, the main controller simulates a main control system of the wind generating set to realize communication and control with the wind generating set, the upper computer is used for information interaction with an operator, the wind generating set is used for simulating the running condition of an actual system, wherein the wind generating set can simulate and maintain a fault list of the wind generating set and a fault processing list of each fault, the fault list comprises all faults of the pitch system, the fault processing list is all fault points of each fault, different fault points are designed to have different occurrence frequencies due to the fact that the frequency of each fault point is higher when each fault occurs, namely, the frequency of the fault points which occur frequently is higher, and the frequency of the fault points which occur infrequently or accidentally is lower, the main controller program is responsible for controlling and fault judging of the wind generating set, when a certain fault is triggered, the main controller program controls the wind generating set to execute corresponding shutdown action and feed back fault information of the wind generating set, the upper computer program monitors the state of a variable pitch system through the main controller, simulation maintenance process of an operator on the variable pitch system of the wind generating set is realized, the wind generating set is separated from an actual wind generating set, fault triggering and fault processing of the wind generating set are simulated and maintained in an off-line mode, and fault processing capacity and fault processing efficiency of the maintainer are improved;

2. the invention provides a method for simulating and maintaining a wind generating set under the condition of separating from an actual wind generating set, which can simulate, trigger and process each fault of the wind generating set, is not limited by wind generating sets of different models and wind generating sets of different models, and can be simulated and maintained in advance by maintainers, thereby increasing the knowledge of the wind generating set and each fault processing mode of the wind generating set.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It should be apparent that the drawings in the following description are merely exemplary, and that other embodiments can be derived from the drawings provided by those of ordinary skill in the art without inventive effort.

The structures, ratios, sizes, and the like shown in the present specification are only used for matching with the contents disclosed in the specification, so as to be understood and read by those skilled in the art, and are not used to limit the conditions that the present invention can be implemented, so that the present invention has no technical significance, and any structural modifications, changes in the ratio relationship, or adjustments of the sizes, without affecting the effects and the achievable by the present invention, should still fall within the range that the technical contents disclosed in the present invention can cover.

FIG. 1 is a schematic view of a simulated maintenance flow of a wind turbine generator system according to the present invention;

FIG. 2 is a system diagram of a software platform and a hardware platform according to the present invention;

FIG. 3 is a schematic view of a wind turbine generator system, a main controller program and an upper computer program operating system according to the present invention;

in the figure: 100. a software platform; 101. a hardware platform; 102. a main controller; 103. an upper computer; 104. a wind generating set; 105. an upper computer program; 106. and (4) a main controller program.

Detailed Description

The present invention is described in terms of particular embodiments, other advantages and features of the invention will become apparent to those skilled in the art from the following disclosure, and it is to be understood that the described embodiments are merely exemplary of the invention and that it is not intended to limit the invention to the particular embodiments disclosed. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to the accompanying drawings 1-3 in the specification, the novel wind generating set pitch system comprises a software platform 100 and a hardware platform 101, wherein a main controller program 106 and an upper computer program 105 are respectively arranged inside the software platform 100, and a main controller 102, an upper computer 103 and a wind generating set 104 are respectively arranged inside the hardware platform 101.

A novel simulation maintenance method for a variable pitch system of a wind generating set specifically comprises the following steps:

s1: the upper computer 103 reads the state data of the wind generating set 104 through the main controller 102.

S2: and sending a control command of the wind generating set 104 to the main controller 102 through the upper computer 103.

S3: the main controller 102 issues control instructions to the wind turbine generator system 104.

S4: and the wind generating set 104 executes a control instruction of the upper computer 103.

S5: the faults to be triggered are manually selected by the upper computer 103.

S6: the master controller 102 sets out the fault and sends a fault shutdown command to the wind turbine generator set 104.

S7: the wind park 104 performs a fail-over action.

S8: the master controller 102 randomly generates a failure point sequence number for the triggered failure.

S9: and selecting fault points needing to be processed through the upper computer 103.

S10: the master controller 102 compares the selected fault point sequence number with the randomly generated fault point sequence number.

S11: and resetting and clearing the fault after the comparison is successful, otherwise, the fault cannot be reset and cleared.

As shown in fig. 1, the wind park 104 simulates the maintenance requirement of establishing a fault list of the wind park 104 and a fault handling list of each fault, wherein the fault list includes all faults of the pitch system, and the fault handling list is all fault points of each fault so as to facilitate the maintenance.

As shown in fig. 1, S8 randomly generates fault point sequence numbers, and since the frequency of the fault cause is higher or lower when each fault occurs, different fault points are designed to have different occurrence frequencies, that is, the frequency of fault points that occur frequently is higher, and the frequency of fault points that occur infrequently or accidentally is lower, so as to facilitate the fault detection.

As shown in fig. 1, the main controller program 106 is responsible for controlling the wind generating set 104 and determining faults, and when a fault is triggered, the main controller program 106 controls the wind generating set 104 to perform a corresponding shutdown action and feeds back fault information of the wind generating set 104, so as to facilitate the control and fault determination.

As shown in fig. 1, the upper computer program 105 monitors the state of the pitch system through the main controller, and realizes a simulation maintenance process of an operator on the pitch system of the wind turbine generator system, so as to facilitate the simulation maintenance process.

The real-time scene is specifically as follows: the simulation maintenance method of the variable pitch system of the wind generating set comprises a software platform 100 and a hardware platform 101, wherein the hardware platform 101 mainly comprises a main controller 102, an upper computer 103 and a wind generating set 104, the main controller 102 simulates the main control system of the wind generating set to realize communication and control with the wind generating set 104, the upper computer 103 is used for information interaction with an operator, the wind generating set 104 is used for simulating the running condition of an actual system, wherein the wind generating set 104 can simulate and maintain a fault list of the wind generating set 104 and a fault processing list of each fault, the fault list comprises all faults of the variable pitch system, the fault processing list is all fault points of each fault, and as the fault causes have different frequencies when each fault occurs, different fault points are designed to have different occurrence frequencies, namely the frequency of the fault points which frequently occur is higher, the frequency of fault points which do not occur frequently or occasionally is low, wherein the main controller program 106 is responsible for controlling and judging faults of the wind generating set 104, when a certain fault is triggered, the main controller program 106 controls the wind generating set 104 to execute corresponding shutdown actions and feeds back fault information of the wind generating set 104, the upper computer program 105 monitors the state of a variable pitch system through the main controller, the simulation maintenance process of a variable pitch system of the wind generating set by personnel in operation is realized, the wind generating set 104 is separated from an actual wind generating set, the fault triggering and fault processing of the wind generating set 104 are simulated and maintained in an off-line mode, and the fault processing capacity and the fault processing efficiency of the maintenance personnel are improved.

Referring to a novel wind generating set pitch system shown in fig. 2 of the specification, the novel wind generating set pitch system comprises a software platform 100 and a hardware platform 101, a main controller program 106 and an upper computer program 105 are respectively arranged in the software platform 100, and a main controller 102, an upper computer 103 and a wind generating set 104 are respectively arranged in the hardware platform 101.

As shown in fig. 1, the wind turbine generator system 104 is separated from the actual wind turbine generator system, and the off-line method is adopted to simulate the fault triggering and fault handling of the wind turbine generator system 104, so as to improve the fault handling capability and the fault handling efficiency of the maintenance personnel.

As shown in fig. 1, the main controller 102 simulates a main control system of a wind generating set to communicate with and control the wind generating set 104, the upper computer 103 is used for information interaction with an operator, and the wind generating set 104 is used for simulating an actual system operation condition so as to facilitate the operation.

The real-time scene is specifically as follows: the invention provides a method for simulating and maintaining a wind generating set 104 under the condition of separating from an actual wind generating set, which can simulate, trigger and process each fault of the wind generating set 104, is not limited by wind generating sets of different models and wind generating sets 104 of different models, and can be simulated and maintained by maintainers in advance, thereby increasing the knowledge of the wind generating set 104 and each fault processing mode of the wind generating set 104.

The application process of the embodiment of the invention is as follows: the simulation maintenance method of the variable pitch system of the wind generating set comprises a software platform 100 and a hardware platform 101, wherein the hardware platform 101 mainly comprises a main controller 102, an upper computer 103 and a wind generating set 104, the main controller 102 simulates the main control system of the wind generating set to realize communication and control with the wind generating set 104, the upper computer 103 is used for information interaction with an operator, the wind generating set 104 is used for simulating the running condition of an actual system, wherein the wind generating set 104 can simulate and maintain a fault list of the wind generating set 104 and a fault processing list of each fault, the fault list comprises all faults of the variable pitch system, the fault processing list is all fault points of each fault, and as the fault causes have different frequencies when each fault occurs, different fault points are designed to have different occurrence frequencies, namely the frequency of the fault points which frequently occur is higher, the infrequent or accidental fault point frequency is low, wherein the main controller program 106 is responsible for the control and fault judgment of the wind generating set 104, when a certain fault is triggered, the main controller program 106 controls the wind generating set 104 to execute corresponding shutdown actions and feeds back fault information of the wind generating set 104, wherein the upper computer program 105 monitors the state of a variable pitch system through the main controller to realize the simulation maintenance process of a variable pitch system of the wind generating set by personnel in operation, the wind generating set 104 is separated from an actual wind generating set, the fault triggering and fault processing of the wind generating set 104 are simulated and maintained in an off-line mode, and the fault processing capability and the fault processing efficiency of the maintenance personnel are improved. Without being limited to different types of wind generating sets and different types of wind generating sets 104, maintenance personnel can perform simulation maintenance on the wind generating sets 104 in advance, and the knowledge of the wind generating sets 104 and fault handling modes of the wind generating sets 104 is increased.

Although the invention has been described in detail above with reference to a general description and specific examples, it will be apparent to one skilled in the art that modifications or improvements may be made thereto based on the invention. Accordingly, such modifications and improvements are intended to be within the scope of the invention as claimed.