Application of Permanent Magnet Synchronous Motor in Ra…

1 Introduction The traction motor of a railway rolling stock is limited in space on the bogie, so the volume is small; the high speed of the train requires it to be light in weight and large in output power. Moreover, the torque characteristics of the motor require a large torque to be output at st ...more

Wang Donglei broke the news: NVC's five major trend…

Internationalized track Our goal is very clear, NVC is already the domestic industry leader, and will hit the top three in the world in the future. As the chairman of NVC Lighting, Wang Donglei has been in the past six months, no matter the industry or the media, the number of times he has been ment ...more

Shehong Bridge Farm Machinery Co., Ltd. Successfully In…

This year, Shehong Bridge Agricultural Machinery Co., Ltd. introduced two sets of Zhejiang Rulei 5HRL-12.5 grain dryers. The introduction of this machine has filled the blank of Shehong Grainless Dryer, and the cooperative has also ended up watching God. The face of the history of drying food. Sh ...more

The United States developed to convert glass into solar…

Recently, researchers from the University of Michigan developed a fully transparent solar collector that can make ordinary glass or windows into photovoltaic solar cells and make use of them. This new result is clearly different from other traditional "transparent" solar cells, which ...more

The Middle Triangle Creates the "Est.

This year is the year when the strategy for urban agglomeration in the middle reaches of the Yangtze River has been established. As an important region connecting the Yangtze River Delta and Chengdu-Chongqing Economic Circle, the three provinces of Hunan, Jiangxi, and Hubei rely on the adv ...more

Lithium battery industry has become a hot investment

With the rapid expansion of the new energy automotive market, the lithium battery industry ushered in the spring of development. According to data from the Ministry of Industry and Information Technology, in the first half of this year, lithium ion battery manufacturing companies accumulat ...more

· 2017 Chevrolet Volta will be mass-produced in Februa…

In February 2016, GM will produce the 2017 Chevrolet Voltaire electric car. Foreign media reported on September 9 that the media said that the second generation Chevrolet Volanda will be postponed from November 2015 to February 2017. However, the car that began production in February 2016 is not t ...more