It is reported that on December 25, 2009, the ±800kV DC converter transformer developed by TBEA for the National Grid Corporation Xiangjiaba-Shanghai UHVDC power transmission demonstration project successfully underwent the highest voltage test at the Fengxian converter station. Three days later, the UHV DC ±800kV converter transformer developed by the company was successfully put into operation at the 1,850 meters highest altitude converter station in the world, China Southern Power Grid Corporation Yunnan-Guangdong UHV DC Transmission Demonstration Project Yunnan Chuxiong Converter Station.
At present, TBEA has completed one-year major scientific research projects undertaken by the State in the eleventh year ahead of schedule and has become China's first manufacturer with a full range of DC product manufacturing performance.
Printed circuit boards, form an essential part of any electronics equipment. The PCB Design and circuit board layout form an integral part of the design of the whole product, and it can be the key to the success of the product meeting its performance requirements in many instances. PCB technology has progressed significantly in recent years. The design technology has improved with PCB CAD systems and PCB software to layout the boards better, and also analyse the performance under conditions such as the operation at high frequencies. In addition to this, the technology for the manufacture of PCBs has improved enabling far smaller tracks to be used as well as incorporating features such as multilayer boards with blind vias, etc..
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