A few days ago, the Science and Technology work Department of China Machinery Industry Federation organized the “AP1000 four-quadrant high power full water cooled inverter” product appraisal meeting in Shenyang.

Academician Ye Qizhen of CNPC, Deputy Director Gou Feng of the National Nuclear Power Development Center, Director Feng Jianping of the East China Nuclear and Radiation Safety Supervision Station of the Ministry of Ecology and Environment, Deputy Director Yang Xuran of the Department of Nuclear Power Construction and Operation of the National Energy Administration, Liu Feiyang of Nuclear Power Research and Design Institute, Dou Huiyuan, deputy chief engineer of China Nuclear Engineering Company, Ma Xiaoliang, former chief engineer of Tianjin Electric Transmission Research Institute, Gu Shenjie, deputy chief engineer of Shanghai Nuclear Power Research and Design Institute, Chen Runnian, Chief engineer of Harbin Electric Advanced Motor Technology Co., LTD., Yong Xingping, deputy general manager of Shen Gu Nuclear Pump Co., LTD., Electrical and Automation Technology of National Petroleum and Natural Gas Pipeline Network Group Expert Lu Kaijun, senior expert Wei Zhuo of State Grid DC Center, Professor Chai Jianyun of Tsinghua University, Professor Zha Xiaoming of Wuhan University and other famous experts and scholars attended the meeting.

810-800082-043 Liaoning Provincial Development and Reform Commission Energy Bureau Director Song Yang, Liaoning Provincial Development and Reform Commission Energy Department Deputy director Zhang Xiaofeng, Shenyang Municipal Development and Reform Commission Energy Department Director Yang Lijun, Shenyang Municipal Development and Reform Commission Energy Department Deputy Director Zhou Beichen, Tiexi District Development and Reform Bureau Director Qu Jianhua, Tiexi District Development and Reform Bureau Deputy Director Liu Tao and other relevant government department leaders were invited to attend.

In order to fully understand the real situation and conduct an objective and fair appraisal, the experts rushed to the “AP1000 four-quadrant high-power water-cooled inverter” engineering prototype site in Shenyang Broad before the appraisal meeting.

At the meeting, the experts listened to the product identification report on the “AP1000 four-quadrant high power full water-cooled inverter”, and reviewed the identification data. After careful discussion and appraisal, it is concluded that: AP1000 main pump four-quadrant high-power water-cooled inverter has independent intellectual property rights, in which the three-redundant controller seamless switching, power unit quick bypass, “dual” switching control strategy and other technologies are advanced in the world; The product fills the domestic gap, the localization rate of power devices is 100%, the overall technology has reached the international advanced level, and can be promoted and applied in nuclear power plants.

According to reports, the main pump frequency converter used in China’s former nuclear power plants has been dependent on imports for a long time, and its independent design and manufacturing is the focus and difficulty of China’s promotion of nuclear power autonomy.

810-800082-043 As one of the earliest domestic units to participate in the localization technology research and development of nuclear main pump frequency converter, Shenyang Yuanyuan concentrated the high-quality resources of the enterprise as early as 2011, and opened the technological breakthrough process of nuclear main pump frequency converter “jamming neck”. For more than ten years, R&D personnel have continuously overcome difficulties, conducted hundreds of tests and verified, and launched an attack on the commanding heights of nuclear power technology. It has continuously broken through dozens of core technologies such as multi-master seamless switching, fast car startup, and high-power energy feedback.

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