Full power test method and test device for whole wind turbine

Abstract

The invention relates to a full power test method and a test device for a whole wind turbine, adopting a double machine set energy feedback method to test the full power of the whole wind turbine. The cabins of two sets of wind turbines are arranged in a back-to-back mode, wherein, one set of cabins which carry out motorized operation are the dragging wind turbines, and the other set of cabins which carry out the electricity generating operation are the testing wind turbines. Energy provided by an electric fence can provide electric energy for the dragging wind turbine by a current-variable cabinet by the side of dragging wind turbine, and the dragging wind turbine drives the testing wind turbine to rotate by a spindle and a coupler and provides needed torque for the testing wind turbine. Electric energy produced by the testing wind turbine can be fed back to the dragging wind turbine by the current-variable cabinet. When the testing wind turbine runs under different operating modes, the output characteristic of the testing wind turbine can be detected by a test system. The invention adopts a double machine set energy feedback method, which saves electric energy. At the same time, the cabins of the two wind turbines are arranged in a back-to-back mode. The machinery fittings are simple and are easy and fast to install. Because of adopting field bus control technology, the test device for a whole wind turbine has the advantages of high compatibility and expandability. At the same time, the test system of the invention, which adopts a virtual device technology, can test characteristic parameter output by the wind turbines on line.

Description

[0001] Field [0002] The invention belongs to a detection test method and a test device for equipment, in particular to a full-power test method and test device for a megawatt-level wind turbine, which are mainly used for simulating the nacelle of a wind turbine in a laboratory environment (excluding hubs and Blades) in the operating conditions of the wind farm to test the output characteristics of the wind turbine. Background technique [0003] Since the country vigorously develops wind power generation and encourages domestically produced high-power wind turbines, in the process of introduction-digestion-absorption-independent research and development, the complete machine test of megawatt-level wind turbines is particularly important. It can verify the performance of new products and shorten the development and production process. The debugging cycle reduces the failure rate of products and provides guarantee for the localization of wind turbines. In China, there are alre...

AI Technical Summary

Problems solved by technology

In China, there are already testing methods and test devices for each component of the wind turbine, but there is no means and device for simulating the operation of the whole wind turbine in a laboratory environment and conducting corresponding tests

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