On October 12, good news comes from China’s State Intellectual Property Office that TEC’s patent project “a kind of constant slip frequency control method of direct induction motor” wins the 14th Chinese patent golden prize, which is CSR’s first patent project winning the laurel.
Control technology of converter is the commanding centre of all converter device products, and it is called the “Brain” and “Nerve” of modern locomotive vehicles in the field of rail transit, which is important of locomotive vehicles’ safety, rapidness and operation comfortability.
TEC organizes R&D to analyze the natural characteristic and create a new method of constant slip control, which solves the difficult problem of high performance dynamic control and reduces the price to 50% of the original cost in domestic market, producing good economic benefit and social benefit.
At present, this patent has built patent protection pool, applying for 22 affiliated patents in total and are all accredited, among which 16 are invention patents and occupying 73%, offering sufficient space to popularize the application of the patent fruits.