Intelligent electric energy metering equipment suitable for wind power plant

Abstract

The utility model provides intelligent electric energy metering equipment suitable for a wind power plant, which belongs to the technical field of new energy power generation and comprises fan electric energy data metering equipment, asynchronous serial communication, a central electric energy data processor, a real-time data storage module, a physical server, a data display module and a signal feedback module. According to the intelligent electric energy metering equipment, the electric energy generation and use condition in a wind power plant can be effectively monitored, so that the problem that electric field electricity generation and use quantity metering data cannot be safely and efficiently accessed in the prior art is solved, and researchers can analyze electric energy data through accurate measurement and calculation.

Description

Technical Field

[0001] The utility model belongs to the technical field of renewable energy power generation, and in particular relates to an intelligent electric energy metering device suitable for a wind farm. Background Art

[0002] At present, with the advancement of carbon peak and carbon neutrality goals, wind energy has been widely developed as a clean energy. As an effective way to utilize wind energy, the total installed capacity of existing wind power generation has gradually increased with the support of national policies.

[0003] However, wind farms in the prior art are usually composed of multiple wind turbines. On the one hand, multiple turbines are distributed over a large area, and the wind turbines are far apart. On the other hand, most existing wind farms are equipped with SCADA systems to collect data for centralized monitoring of wind turbine status, which cannot be used specifically for effective monitoring of wind turbine power generation and consumption in various states of the wind farm. Therefore, existing wind farms cannot effectively monitor the power generation and consumption of wind farms, and cannot safely and efficiently access the power generation and consumption metering data of the wind farm.

[0004] Therefore, the above technical problems need to be further solved. The utility model provides an intelligent electric energy metering device suitable for a wind farm. Utility Model Content

[0005] The utility model provides an intelligent electric energy metering device suitable for a wind farm to solve the technical problem.

[0006] In order to solve the above technical problems, the utility model provides the following technical solutions:

[0007] The utility model provides an intelligent electric energy metering device suitable for wind farms, a wind turbine electric energy data metering device, an asynchronous serial communication, a central electric energy data processor, a real-time data storage module, a physical server, a data storage module and a signal feedback module, wherein:

[0008] The wind turbine power data metering equipment is connected to the asynchronous serial communication via the RS485 communication interface;

[0009] The asynchronous serial communication is connected to the wind turbine power data metering device through the RS485 communication interface, and the data is transmitted to the central power data processor through the RS485 communication interface;

[0010] The central power data processor receives data transmitted by the asynchronous serial communication and signal feedback modules through the RS485 communication interface, and transmits the data to the real-time data storage module through the bus of the real-time data storage module;

[0011] The real-time data storage module stores the data transmitted by the central power data processor through the memory bus, and transmits the data to the physical server through the optical fiber;

[0012] The signal feedback module receives the signal transmitted by the data display module through the asynchronous serial communication through the RS485 communication interface, and connects with the central power data processor through the RS485 communication interface to transmit the signal;

[0013] The physical server is connected to the real-time data storage module via an optical fiber, and the physical server is connected to the data storage module via a cable;

[0014] The data display module is connected to the physical server through a cable and is connected to the asynchronous serial communication through the RS485 communication interface.

[0015] Optionally, the wind turbine power data metering device includes a forward wind turbine power generation power metering unit and a reverse wind turbine power consumption power metering unit.

[0016] Optionally, the data display module includes an early warning module, and the early warning module is connected to the asynchronous serial communication.

[0017] Compared with the existing technology, the intelligent electricity metering equipment in the utility model can realize the effective monitoring of the electricity generation and consumption in the wind farm, thereby solving the problem that the existing technology cannot safely and efficiently access the electricity generation and consumption metering data of the power farm. Researchers can also analyze the electricity data through accurate measurement and calculation. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] By reading the detailed description below with reference to the accompanying drawings, the above and other purposes, features and advantages of the exemplary embodiments of the present invention will become easy to understand. In the accompanying drawings, several embodiments of the present invention are shown in an exemplary and non-limiting manner, and the same or corresponding reference numerals represent the same or corresponding parts, wherein:

[0019] Figure 1 The utility model is a block diagram of an intelligent electric energy metering device suitable for a wind farm. DETAILED DESCRIPTION

[0020] The exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. Although the exemplary embodiments of the present disclosure are shown in the accompanying drawings, it should be understood that the present disclosure can be implemented in various forms and should not be limited by the embodiments described herein. On the contrary, these embodiments are provided in order to enable a more thorough understanding of the present disclosure and to fully convey the scope of the present disclosure to those skilled in the art. If not specifically stated, the technical means used in the embodiments are conventional means well known to those skilled in the art.

[0021] It should be noted that, unless otherwise specified, the technical terms or scientific terms used in the present invention should be the common meanings understood by technicians in the field to which the present invention belongs. Terms such as "connection" and "connected" should be understood in a broad sense. For example, it can be a wired connection, a wireless connection, a WIFI connection, or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium. The terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, the elements defined by the sentence "include..." do not exclude the existence of other identical elements in the process, method, article or device including the elements.

[0022] This embodiment provides a smart electric energy metering device suitable for a wind farm, such as Figure 1 As shown, it includes: wind turbine power data metering equipment, asynchronous serial communication, central power data processor, real-time data storage module, physical server, data display module and signal feedback module, wherein,

[0023] The wind turbine power data metering equipment is connected to the asynchronous serial communication via the RS485 communication interface;

[0024] The asynchronous serial communication is connected to the wind turbine power data metering device through the RS485 communication interface, and the data is transmitted to the central power data processor through the RS485 communication interface;

[0025] The central power data processor receives data transmitted by the asynchronous serial communication and signal feedback modules through the RS485 communication interface, and transmits the data to the real-time data storage module through the bus of the real-time data storage module;

[0026] The real-time data storage module stores the data transmitted by the central power data processor through the memory bus, and transmits the data to the physical server through the optical fiber;

[0027] The signal feedback module receives the signal transmitted by the data display module through the asynchronous serial communication through the RS485 communication interface, and connects with the central power data processor through the RS485 communication interface to transmit the signal;

[0028] The physical server is connected to the real-time data storage module via an optical fiber, and the physical server is connected to the data storage module via a cable;

[0029] The data display module is connected to the physical server through a cable and is connected to the asynchronous serial communication through the RS485 communication interface.

[0030] The intelligent electric energy metering device suitable for wind farms provided in this embodiment includes a current sampling unit, a voltage sampling unit and an RS485 communication interface. The wind turbine electric energy data metering device is used to collect electric energy generation and consumption data of the wind farm through the current sampling unit and the voltage sampling unit, and send the electric energy generation and consumption data to the central electric energy data processor through the RS485 communication interface and an asynchronous serial communication channel.

[0031] Asynchronous serial communication is used for data transmission in wind farms where the units are far apart and distributed relatively dispersedly.

[0032] The central power data processor is used to obtain the power generation and consumption data of the power plant and the status signals of each wind turbine transmitted by the signal feedback module, and send the power generation and consumption data to the real-time data storage module. The central power data processor includes a first processor, a second processor and a third processor; wherein the first processor is used for normal state wind turbine data processing, the second processor is used for maintenance state wind turbine data processing, and the third processor is used for fault state wind turbine data processing.

[0033] The real-time data storage module is used to store the data of electric energy generation and consumption.

[0034] The physical server is connected to the real-time data storage module.

[0035] The data display module is connected to the physical server and is used to display the power generation and consumption of wind turbines in various states, and transmits warning signals to the signal feedback module through an asynchronous serial communication channel. The data display module is provided with normal state wind turbine forward power generation data, normal state wind turbine reverse power consumption data, maintenance state wind turbine forward power generation data, maintenance state wind turbine reverse power consumption data, fault state wind turbine forward power generation data, and fault state wind turbine reverse power consumption data.

[0036] The signal feedback module is connected to the data display module through asynchronous serial communication to receive the warning signal. The signal feedback module receives the abnormal power generation and consumption signal, and controls the status of the wind turbine in conjunction with the wind farm wind turbine status monitoring system, and transmits the status of each wind turbine to the corresponding central power data processor for the central power data processor to identify the status of each wind turbine.

[0037] The intelligent electric energy metering equipment suitable for wind farms provided in this embodiment can realize effective monitoring of the electric energy generation and consumption in wind farms, thereby solving the technical problem in the prior art that it is impossible to safely and efficiently access the electric energy generation and consumption metering data of the wind farm. Researchers can also analyze the electric energy data through accurate measurement and calculation.

[0038] Exemplarily, the real-time data storage module may use SDRAM (Synchronous Dynamic Random-Access Memory) or the like, which is not specifically limited here.

[0039] Exemplarily, the physical server is connected to the real-time data storage module. The physical server is Dell, HP, Huawei, etc., which is not specifically limited here.

[0040] In a possible embodiment, Figure 1 As shown, the wind turbine power data metering device includes a forward wind turbine power generation power metering unit and a reverse wind turbine power consumption power metering unit.

[0041] In a possible embodiment, Figure 1 As shown, the data display module includes an early warning module, and the early warning module is connected to the asynchronous serial communication.

[0042] Exemplarily, the data display module can upload staff information to the physical server through an asynchronous serial communication channel and set permissions for staff at all levels. It can also be used to obtain metering data that needs to be analyzed from the physical server.

[0043] Exemplarily, the early warning module can be connected to the physical server through the management module, and transmit the abnormal power generation and consumption signals screened out by comparison with normal signals to the signal feedback module.

[0044] The above is only a specific implementation of the utility model, but the protection scope of the utility model is not limited thereto. Any technician familiar with the technical field can easily think of changes or substitutions within the technical scope disclosed by the utility model, which should be included in the protection scope of the utility model. Therefore, the protection scope of the utility model should be based on the protection scope of the claims.

Claims

1. An intelligent electric energy metering device suitable for a wind farm, characterized in that: include: Wind turbine power data metering equipment, asynchronous serial communication, central power data processor, real-time data storage module, physical server, data storage module and signal feedback module, among which, The wind turbine power data metering equipment is connected to the asynchronous serial communication via the RS485 communication interface; The asynchronous serial communication is connected to the wind turbine power data metering device through the RS485 communication interface, and transmits the data to the central power data processor through the RS485 communication interface; The central power data processor receives data transmitted by the asynchronous serial communication and signal feedback modules through the RS485 communication interface, and transmits the data to the real-time data storage module through the bus of the real-time data storage module; The real-time data storage module stores the data transmitted by the central power data processor through the memory bus, and transmits the data to the physical server through the optical fiber; The signal feedback module receives the signal transmitted by the data display module through the asynchronous serial communication through the RS485 communication interface, and connects with the central power data processor through the RS485 communication interface to transmit the signal; The physical server is connected to the real-time data storage module via an optical fiber, and the physical server is connected to the data storage module via a cable; The data display module is connected to the physical server through a cable and is connected to the asynchronous serial communication through the RS485 communication interface.

2. The intelligent electric energy metering device applicable to a wind farm according to claim 1 is characterized in that: The wind turbine power data metering device includes a forward wind turbine power generation power metering unit and a reverse wind turbine power consumption power metering unit.

3. The intelligent electric energy metering device applicable to a wind farm according to claim 1 is characterized in that: The data display module includes an early warning module, and the early warning module is connected with the asynchronous serial communication.

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