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Wind turbine running simulation system based on PLC (programmable logic controller) system

A simulation system, wind turbine technology, applied in electrical program control, program control in sequence/logic controllers, etc., can solve the problems of large floor space, high cost, and difficult to change, and achieve small floor space and cost. low effect

Active Publication Date: 2013-05-08
GUODIAN NANJING AUTOMATION
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Problems solved by technology

Since the generator and converter are all real objects, there is no modeling link, and the method can effectively simulate the entire wind power main control system. The disadvantages are that it occupies a large area, the cost is extremely high, and it is not easy to change the capacity of different units. The corresponding parameters in the case are limited by the speed regulation capability of the prime mover, and it is not easy to simulate the influence of various rapidly changing wind speeds

Method used

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  • Wind turbine running simulation system based on PLC (programmable logic controller) system
  • Wind turbine running simulation system based on PLC (programmable logic controller) system
  • Wind turbine running simulation system based on PLC (programmable logic controller) system

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Embodiment Construction

[0019] The structure of the whole system is like figure 1 As shown, the entire system is composed of a wind power simulation system on the left and a wind power main control system to be tested on the right. The wind power simulation system includes the following links:

[0020] 1. Simulation system SCADA: configure the parameters of the model and display the operating data of the model;

[0021] 2. Communication channel: the data channel of the third-party equipment responsible for the wind power simulation system to exchange data with the wind power main controller through communication.

[0022] 3. Wind power simulation PLC: This part includes two parts: controller and IO channel. The controller is responsible for the calculation of the model, including simplified models of wind speed, wind direction, wind wheel, gearbox, generator and converter, yaw system, various heating and cooling equipment, hydraulic equipment, various temperature signals, and angle encoders. The result of ...

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Abstract

The invention discloses a wind turbine running simulation system based on a PLC system, comprising a wind turbine simulation system and a wind turbine main control system that is connected with the wind turbine simulation system and is to be tested. The wind turbine running simulation system is characterized in that the wind turbine simulation system comprises an SCADA (Supervisory Control and Data Acquisition) system and a wind turbine simulation PLC, wherein the wind turbine simulation PLC and the wind turbine main control system carry out data interaction; and a PLC development tool can provide a programming language development and simulation program of IEC61131-3. In the invention, the wind turbine simulation system established based on the PLC system can effectively support the simulation test during the early stage and intermediate or latter stage of the research and development of the wind turbine main control system, and has the advantages of small land-occupied area and low cost.

Description

Technical field [0001] The invention mainly uses the PLC system to quickly construct a wind power simulation system, uses the IO channel of the PLC to realize the simulation of all on-site measurement point signals, and is used for the simulation and debugging of the wind power main control system. Background technique [0002] At present, wind power is developing rapidly in our country, and installed capacity is rising rapidly, but the core wind power main control system of wind power is basically monopolized by imported manufacturers. At present, the number of domestic manufacturers developing independently developed wind power master control systems is also increasing. As a new system, it needs to be fully verified in the laboratory before it is actually put into field trial operation. The current laboratory verification methods mainly include the previous ones: [0003] 1. Use simulation software to simulate the control strategy. For example, using Matlab or Blade for verific...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G05B19/05
Inventor 师毓佳王斌沙玉婷张明惠杨卫民
Owner GUODIAN NANJING AUTOMATION
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