A survey on wind power plants showed the major root causes for generator downtime are windings, brushes and other electrical components. The generator and electrical system cause 23.2% of WT downtime, in
details the optimisation of axial–radial ventilation spacers as a means to reduce the operating temperature rise within the generator, achieving a 3.9 °C temperature drop due to improved ventilation.
A wind turbine generator reliability study is performed and explained in this paper. The study was performed due to the findings by Shipurkar et al. (2015), Alewine et al. (2012), and Liu et al. (2018) that bearing failure to
The temperature rise test is an important test of the generator circuit breaker to verify the current carrying capacity. In this case maximum test current is as high as 35kA, in order to simulate the real operating environment.
In the implementation of the temperature rise test process, fully studies the use of the generator circuit breaker operating conditions, through the following two ways to gradually carry on the
In order to solve the problem of excessive temperature rise caused by 2.5 WM permanent magnet wind turbine in operation, this paper designs a heat dissipation system. The combination structure of the heat exchanger and the heat sink was determined, as well as the heat dissipation method of the internal and external cycle isolation heat exchange.
Taking a 2.5 MW PMSG permanent magnet wind turbine as an example, four kinds of ambient temperature were selected to be tested when the generator was full of power. It is revealed that the ambient temperature has a great influence on the cooling of the generator.
The cooling system is connected to the generator outlet through rubber pipes. Fig. 10. Cooling system test prototype. 2.5 MW PMSG permanent magnet wind turbine is the main wind power generation equipment in Xinjiang. The high temperature rise of the generator is closely related to the ambient temperature, unit running time and power generation.
In view of the abnormal temperature rise caused by the long-running operation of generators, combined with the wind power environment in Xinjiang, China, a new cooling system design is proposed on the basis of the current air and liquid cooling research.
The change of the number of cooling pipes can directly affect the heat exchange area of the internal and external environment, and also affect the heat transfer, heat convection and thermal radiation on the surface inside and outside the pipe. Which has a significant impact on the cooling effect of the generator.
It is revealed that the ambient temperature has a great influence on the cooling of the generator. It is verified that the cooling system has a good effect on the cooling of the generator. Ningqiang Shi: We have discussed and written in depth the content and structure of the manuscript.
