During the “Twelfth Five-Year Plan†period, the Bureau will build a new 500 kV substation, realize 500 kV Kaili, Fuquan and Dushan to become networked; build eight new 220 kV transformer substations and achieve 220 kV grid coverage in all counties. Newly built 40 110-kilovolt transformer substations, each county has 2 or more 110-kilovolt substations, and the county-wide loop rate reaches 100%; each key township has more than one 110-kilovolt substation. The average annual power outage of urban customers at the end of the “Twelfth Five-year Plan†period does not exceed five hours.
Rigid-flex board is a circuit board with FPC characteristics and PCB characteristics formed by combining flexible circuit boards and rigid circuit boards according to relevant process requirements through lamination and other processes.
The rigid-flex board has both the characteristics of FPC and the characteristics of PCB. Therefore, it can be used in some products with special requirements. It has both a certain flexible area and a certain rigid area, which saves the internal space of the product and reduces the The finished product volume is of great help in improving product performance.
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Huizhou Liandajin Electronic Co., Ltd , https://www.ldjcircuitboard.com