Linear topology system of 7MW wind generating set control equipment

Abstract

The invention discloses a 7MW wind generating set control equipment linear topology system, which is characterized in that a tower footing cabinet CPU (Central Processing Unit) is respectively connected with a tower footing cabinet I / O (Input / Output) module and a converter system, and the tower footing cabinet I / O module is connected with the converter system; the tower footing optical fiber switch is connected with the tower footing cabinet CPU; the cabin optical fiber switch is connected with the tower footing optical fiber switch through an optical fiber; the cabin optical fiber switch is externally connected with a cabin debugging computer; the tower footing optical fiber switch is connected with a tower footing debugging computer; the cabin cabinet I / O module is connected with the variable pitch system; the main control module is connected with the cabin cabinet I / O module; the converter system is connected with the main control module and the variable pitch system; and the main control module drives the variable pitch system to work according to an instruction issued by the tower footing debugging computer or the cabin debugging computer. The linear topological system provided by the invention has the characteristics of simplicity and high efficiency, and meanwhile, the stability and the reliability of the wind turbine generator are improved.

Description

Technical Field

[0001] This invention belongs to the field of wind power generation technology and relates to a linear topology system for a 7MW wind turbine generator control device. Background Technology

[0002] Wind power is a major clean energy source being developed. Early wind farms were small in scale, with most wind turbines using small-capacity asynchronous generators. Wind farms were directly connected to the distribution network to meet local power supply needs. The impact of wind farms on the power grid was mainly local harmonic pollution, voltage fluctuations, and flicker—power quality issues—and did not significantly affect the safe and stable operation of the main power grid. However, with the continuous development of wind turbines, they have become increasingly complex, and insufficient consideration has been given to multiple external excitations in complex environments and the coupling of internal components, leading to relatively conservative designs and high cost per kilowatt-hour. Summary of the Invention

[0003] The purpose of this invention is to address the problem that existing wind turbines are becoming increasingly complex and do not adequately consider multiple external excitations in complex environments and the coupling of internal components, resulting in relatively conservative designs and high cost per kilowatt-hour. The invention provides a linear topology system for the control equipment of a 7MW wind turbine.

[0004] To achieve the above objectives, the present invention employs the following technical solution:

[0005] A linear topology for a 7MW wind turbine generator control device includes: a tower base control cabinet and a nacelle control cabinet; the tower base control cabinet includes a tower base fiber optic switch, a tower base cabinet CPU, a tower base cabinet I / O module, and a converter system; the nacelle control cabinet includes a nacelle fiber optic switch, a nacelle cabinet I / O module, a pitch system, and a main control module.

[0006] The tower base cabinet CPU is connected to both the tower base cabinet I / O module and the converter system. The tower base cabinet I / O module is connected to the converter system. The tower base fiber optic switch is connected to the tower base cabinet CPU. The nacelle fiber optic switch is connected to the tower base fiber optic switch via fiber optic cable. The nacelle fiber optic switch is connected to the nacelle commissioning computer. The tower base fiber optic switch is connected to the tower base commissioning computer. The nacelle cabinet I / O module is connected to the pitch system. The main control module is connected to the nacelle cabinet I / O module. The converter system is connected to the main control module and the pitch system. The main control module drives the pitch system to operate according to the instructions issued by the tower base commissioning computer or the nacelle commissioning computer.

[0007] A further improvement of the present invention is that:

[0008] Furthermore, the tower-based fiber optic switch is connected to an external booster station.

[0009] Furthermore, the tower base cabinet I / O module is connected to the tower base cabinet CPU, and the tower base cabinet I / O module is connected to the converter system via one or more of EtherCAT, CANopen, and Etherne.

[0010] Furthermore, the converter system is connected to an external tower base HMI; the tower base HMI displays the status parameters of each device in the tower base control cabinet.

[0011] Furthermore, the pitch control system is connected to an external nacelle human-machine interface (HMI); the HMI displays the status parameters of various devices in the nacelle control cabinet.

[0012] Furthermore, the tower base cabinet I / O module, converter system, nacelle cabinet I / O module, pitch system, and main control module are all externally connected to power-off relays, which are connected to self-locking circuits.

[0013] Furthermore, the power-off relay is connected to a temperature detection module, a PLC relay, and a safety chain control relay.

[0014] Furthermore, a supercapacitor is installed in the pitch system.

[0015] Furthermore, the tower base cabinet CPU, tower base cabinet I / O module, converter system, nacelle cabinet I / O module, pitch system, and main control module are all externally powered, providing power to the tower base cabinet CPU, tower base cabinet I / O module, converter system, nacelle cabinet I / O module, pitch system, and main control module.

[0016] Compared with the prior art, the present invention has the following beneficial effects:

[0017] This invention connects the tower base cabinet CPU to the tower base cabinet I / O module and the converter system respectively; the tower base cabinet I / O module is connected to the converter system; the tower base fiber optic switch is connected to the tower base cabinet CPU; the nacelle fiber optic switch is connected to the tower base fiber optic switch via fiber optic cable; the nacelle fiber optic switch is connected to the nacelle commissioning computer; the tower base fiber optic switch is connected to the tower base commissioning computer; the nacelle cabinet I / O module is connected to the pitch system; the main control module is connected to the nacelle cabinet I / O module; the converter system is connected to the main control module and the pitch system; the main control module drives the pitch system to operate according to instructions issued by the tower base commissioning computer or the nacelle commissioning computer. The linear topology system proposed in this invention is simple and efficient, while improving the stability and reliability of the wind turbine. Attached Figure Description

[0018] To more clearly illustrate the technical solutions of the embodiments of the present invention, the accompanying drawings used in the embodiments will be briefly introduced below. It should be understood that the following drawings only show some embodiments of the present invention and should not be regarded as a limitation on the scope. For those skilled in the art, other related drawings can be obtained based on these drawings without creative effort.

[0019] Figure 1 This is a schematic diagram of the linear topology system of the 7MW wind turbine generator control equipment of the present invention.

[0020] Among them, 1-Tower base fiber optic switch; 2-Tower base cabinet CPU; 3-Tower base cabinet I / O module; 4-Converter system; 5-Nacelle fiber optic switch; 6-Nacelle cabinet I / O module; 7-Pitch system; 8-Main control module. Detailed Implementation

[0021] To make the objectives, technical solutions, and advantages of the embodiments of the present invention clearer, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. The components of the embodiments of the present invention described and shown in the accompanying drawings can generally be arranged and designed in various different configurations.

[0022] Therefore, the following detailed description of the embodiments of the invention provided in the accompanying drawings is not intended to limit the scope of the claimed invention, but merely to illustrate selected embodiments of the invention. All other embodiments obtained by those skilled in the art based on the embodiments of the invention without inventive effort are within the scope of protection of the invention.

[0023] It should be noted that similar labels and letters in the following figures indicate similar items. Therefore, once an item is defined in one figure, it does not need to be further defined and explained in subsequent figures.

[0024] In the description of the embodiments of the present invention, it should be noted that if terms such as "upper," "lower," "horizontal," or "inner" indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, or the orientation or positional relationship commonly used when the product of the invention is in use, they are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of the present invention. Furthermore, terms such as "first" and "second" are only used to distinguish descriptions and should not be construed as indicating or implying relative importance.

[0025] Furthermore, the use of the term "horizontal" does not imply that the component must be absolutely horizontal, but rather that it can be slightly tilted. For example, "horizontal" simply means that its direction is more horizontal than "vertical," and does not mean that the structure must be completely horizontal, but can be slightly tilted.

[0026] In the description of the embodiments of the present invention, it should also be noted that, unless otherwise explicitly specified and limited, the terms "set," "install," "connect," and "link" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in the present invention according to the specific circumstances.

[0027] The present invention will now be described in further detail with reference to the accompanying drawings:

[0028] See Figure 1 This invention discloses a linear topology structure for a 7MW wind turbine generator control device, comprising: a tower base control cabinet and a nacelle control cabinet; the tower base control cabinet includes a tower base fiber optic switch 1, a tower base cabinet CPU 2, a tower base cabinet I / O module 3, and a converter system 4; the nacelle control cabinet includes a nacelle fiber optic switch 5, a nacelle cabinet I / O module 6, a pitch system 7, and a main control module 8;

[0029] The tower base cabinet CPU2 is connected to the tower base cabinet I / O module 3 and the converter system 4 respectively. The tower base cabinet I / O module 3 is connected to the converter system 4. The tower base fiber optic switch 1 is connected to the tower base cabinet CPU2. The nacelle fiber optic switch 5 is connected to the tower base fiber optic switch 1 via fiber optic cable. The nacelle fiber optic switch 5 is connected to the nacelle commissioning computer. The tower base fiber optic switch 1 is connected to the tower base commissioning computer. The nacelle cabinet I / O module 6 is connected to the pitch system 7. The main control module 8 is connected to the nacelle cabinet I / O module 6. The converter system 4 is connected to the main control module 8 and the pitch system 7. The main control module 8 drives the pitch system 7 to work according to the instructions issued by the tower base commissioning computer or the nacelle commissioning computer.

[0030] The tower-based fiber optic switch 1 is connected to an external booster station. The tower-based cabinet I / O module 3 is connected to the tower-based cabinet CPU 2, and the tower-based cabinet I / O module 3 is connected to the converter system 4 for communication via one or more of EtherCAT, CANopen, and Etherne.

[0031] The converter system 4 is connected to an external tower base HMI; the tower base HMI displays the status parameters of each device in the tower base control cabinet. The pitch system 7 is connected to an external nacelle HMI; the nacelle HMI displays the status parameters of each device in the nacelle control cabinet.

[0032] The tower base cabinet I / O module 3, converter system 4, nacelle cabinet I / O module 6, pitch system 7, and main control module 8 are all externally connected to power-off relays, which are connected to self-locking circuits. These power-off relays are connected to a temperature detection module, a PLC relay, and a safety chain control relay. Pitch system 7 contains a supercapacitor. The tower base cabinet CPU2, tower base cabinet I / O module 3, converter system 4, nacelle cabinet I / O module 6, pitch system 7, and main control module 8 are all externally powered, providing power to these components.

[0033] The above are merely preferred embodiments of the present invention and are not intended to limit the present invention. Various modifications and variations can be made to the present invention by those skilled in the art. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present invention should be included within the scope of protection of the present invention.

Claims

1. A linear topology for a 7MW wind turbine generator control device, characterized in that, include: The tower base control cabinet and the nacelle control cabinet; the tower base control cabinet includes a tower base fiber optic switch (1), a tower base cabinet CPU (2), a tower base cabinet I / O module (3), and a converter system (4); the nacelle control cabinet includes a nacelle fiber optic switch (5), a nacelle cabinet I / O module (6), a pitch system (7), and a main control module (8); The tower base cabinet CPU (2) is connected to the tower base cabinet I / O module (3) and the converter system (4) respectively. The tower base cabinet I / O module (3) is connected to the converter system (4). The tower base fiber optic switch (1) is connected to the tower base cabinet CPU (2). The nacelle fiber optic switch (5) is connected to the tower base fiber optic switch (1) via fiber optic cable. The nacelle fiber optic switch (5) is connected to the nacelle debugging computer. The tower base fiber optic switch (1) is connected to the tower base debugging computer. The nacelle cabinet I / O module (6) is connected to the pitch system (7). The main control module (8) is connected to the nacelle cabinet I / O module (6). The converter system (4) is connected to the main control module (8) and the pitch system (7). The main control module (8) drives the pitch system (7) to work according to the instructions issued by the tower base debugging computer or the nacelle debugging computer.

2. The linear topology of the 7MW wind turbine generator control equipment according to claim 1, characterized in that, The tower-based fiber optic switch (1) is connected to an external booster station.

3. The linear topology of the 7MW wind turbine generator control equipment according to claim 2, characterized in that, The tower base cabinet I / O module (3) is connected to the tower base cabinet CPU (2), and the tower base cabinet I / O module (3) is connected to the converter system (4) for communication via one or more of EtherCAT, CANopen and Etherne.

4. The linear topology of the 7MW wind turbine generator control equipment according to claim 3, characterized in that, The converter system (4) is connected to the tower base human-machine interface; the tower base human-machine interface displays the status parameters of each device in the tower base control cabinet.

5. The linear topology of the 7MW wind turbine generator control equipment according to claim 4, characterized in that, The pitch system (7) is connected to the nacelle human-machine interface; the nacelle human-machine interface displays the status parameters of each device in the nacelle control cabinet.

6. The linear topology of the 7MW wind turbine generator control equipment according to claim 5, characterized in that, The tower base cabinet I / O module (3), converter system (4), nacelle cabinet I / O module (6), pitch system (7) and main control module (8) are all externally connected to power-off relays, and the power-off relays are connected to self-locking circuits.

7. The linear topology of the 7MW wind turbine generator control equipment according to claim 6, characterized in that, The power-off relay is connected to a temperature detection module, a PLC relay, and a safety chain control relay.

8. The linear topology of the 7MW wind turbine generator control equipment according to claim 7, characterized in that, The pitch system (7) is equipped with a supercapacitor.

9. The linear topology of the 7MW wind turbine generator control equipment according to claim 8, characterized in that, The tower base cabinet CPU (2), tower base cabinet I / O module (3), converter system (4), nacelle cabinet I / O module (6), pitch system (7) and main control module (8) are all externally powered. The power supply provides power to the tower base cabinet CPU (2), tower base cabinet I / O module (3), converter system (4), nacelle cabinet I / O module (6), pitch system (7) and main control module (8).

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