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Real-time combined simulation platform and method for fine wind energy conversion system

A conversion system and co-simulation technology, applied in general control systems, control/regulation systems, instruments, etc., can solve the problems of high cost, influence of simulation accuracy, and high delay of simulation interactive data, so as to reduce the cost of the platform.

Active Publication Date: 2019-11-15
SHANDONG UNIV
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

First of all, Bladed communicates with the communication PLC using an asynchronous communication protocol, which can easily lead to incorrect data interaction between platforms within a sampling step
Secondly, the interactive data between GH Bladed and RTDS needs to be carried out through the communication PLC, which will lead to a high delay of the two simulation interactive data, which will easily affect the simulation accuracy
In addition, this simulation platform uses the commercial software GH Bladed, which has a high cost

Method used

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  • Real-time combined simulation platform and method for fine wind energy conversion system
  • Real-time combined simulation platform and method for fine wind energy conversion system

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Embodiment Construction

[0036] It should be noted that the following detailed description is exemplary and intended to provide further explanation of the present disclosure. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this disclosure belongs.

[0037] It should be noted that the terminology used herein is only for describing specific embodiments, and is not intended to limit the exemplary embodiments according to the present disclosure. As used herein, unless the context clearly dictates otherwise, the singular is intended to include the plural, and it should also be understood that when the terms "comprising" and / or "comprising" are used in this specification, they mean There are features, steps, operations, means, components and / or combinations thereof.

[0038] Implementation example one

[0039] This embodiment discloses a real-time co-simulation platform of a refined wind ener...

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Abstract

The disclosure provides a real-time combined simulation platform and method for a fine wind energy conversion system. The real-time combined simulation platform comprises a real-time host and a real-time digital simulator RTDS; the real-time host is provided with OpenFAST software suitable for a real-time operating system, a real-time controller running under a real-time thread, and an open-sourcereal-time network protocol stack RTnet; various fan-related models are established in the OpenFAST software; an electrical part model of a wind turbine generator is built in the RTDS, wherein the RTDS is used for simulating the on / off state of a converter and an electromagnetic transient state of the generator; data interaction is carried out between the OpenFAST software and the real-time controller through a shared memory variable mode, real-time bidirectional communication is carried out between the real-time host and the RTDS through the RTnet, and complete closed-loop simulation is formed. According to the platform and the method in the disclosure, the open-source real-time operating system expansion, the open-source OpenFAST software which has passed the GL certification and the open-source real-time network protocol framework are used, so that the platform cost can be greatly reduced under the condition that the simulation precision is guaranteed.

Description

technical field [0001] The present disclosure relates to the technical field of wind energy simulation, in particular to a real-time joint simulation platform and simulation method of a refined wind energy conversion system. Background technique [0002] Among the existing wind energy conversion system simulation technologies, there is still a lack of a co-simulation platform with hard real-time performance using a hard real-time operating system and digital protocol interface. [0003] There is a Chinese patent CN102749853A, which discloses a half-physical simulation platform for wind turbine complete machine control. The platform builds the fan aerodynamic model based on dSPACE, and realizes a low-power towing platform by combining with the low-power prototype. This hardware-in-the-loop platform is able to simulate the dynamic effects of electromagnetic transients on mechanical parts and vice versa. However, due to the limitation of its low-power prototype, this experime...

Claims

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Application Information

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IPC IPC(8): G05B17/02
CPCG05B17/02
Inventor 李冰赵浩然
Owner SHANDONG UNIV
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