Once the UHV power grid is put into operation, it is difficult to propose outage maintenance to eliminate defects. Therefore, live-line operation has become the main technical means to eliminate defects of UHV lines. ...Once the UHV power grid is put into operation, it is difficult to propose outage maintenance to eliminate defects. Therefore, live-line operation has become the main technical means to eliminate defects of UHV lines. For live-line operation of transmission lines in remote and complex terrain, helicopter live-line operation has the advantages of strong adaptability and high efficiency. In this paper, the basic characteristics of UHV transmission system are simply analyzed, the cutting-edge live-line operation technology of UHV transmission lines is discussed, and the helicopter live-line operation technology is emphatically introduced. The feasibility demonstration of helicopter sling technology in live-line operation of ±1100kV UHVDC transmission lines is also studied.展开更多
文摘Once the UHV power grid is put into operation, it is difficult to propose outage maintenance to eliminate defects. Therefore, live-line operation has become the main technical means to eliminate defects of UHV lines. For live-line operation of transmission lines in remote and complex terrain, helicopter live-line operation has the advantages of strong adaptability and high efficiency. In this paper, the basic characteristics of UHV transmission system are simply analyzed, the cutting-edge live-line operation technology of UHV transmission lines is discussed, and the helicopter live-line operation technology is emphatically introduced. The feasibility demonstration of helicopter sling technology in live-line operation of ±1100kV UHVDC transmission lines is also studied.
