海上风电场大长度直流海底电缆施工敷设与监测方案

Summary of Construction,Laying and Monitoring Scheme of Long-length DC Submarine Cable in Offshore Wind Farm

我国近海风能资源丰富,随着海上风电项目的不断开发,逐步从近岸海域向深远海方向发展。目前国内规划数量较多的远海海上风电场群,容量大,离岸距离远,需要设置海上换流站,并以高压直流海底电缆登陆,经逆变后与大电网连接。直流输电工程送出海缆路径长,重量大,单根海缆施工对施工船载重量和施工吃水的能力要求高,对直流海缆施工和监测方案进行研究,可为大长度直流海底电缆的敷设和监测提供技术参考。

China is rich in offshore wind energy resources.With the continuous development of offshore wind power projects,it is gradually developing from coastal waters to deep and Far Seas.At present,there are a large number of offshore wind farms planned in China,which have large capacity and long offshore distance.It is necessary to set up an offshore converter station,land with high-voltage DC submarine cable,and connect with the large power grid after inverter.The submarine cable of DC transmission project has long path and heavy weight,and the construction of a single submarine cable has high requirements for the capacity of construction ship load and construction draft.The research on the construction and monitoring scheme of DC submarine cable can provide technical reference for the laying and monitoring of long-length DC submarine cable.