南澳多端柔直交直流并列与纯直流互切研究

Nan′ao Multiterminal Flexible DC Transmission AC/DC Parallel with Pure DC Cross Cutting Research

南澳多端柔直系统最大特点为纯直流运行稳定性能良好,它的这一供电特性是传统直流无法比拟,然而,在交直流并列运行与纯直流运行的互切过程中,控制系统对南澳电网联络模式的准确判断和快速响应尤为重要,怎样从不同的角度来判断网络结构并作出与之相匹配的正确运行方式,本文将结合现场的电网结构形式讲诉我们贴合实际的处理办法和应急措施,所讨论的方法主要以重硬接点轻人工干预的方式开展讨论,为后续的柔直项目提供一定依据,也为类似的电力其它网络形式提供举一反三范例,有效解决现实网络与设备之间信息矛盾上的取舍。

The biggest characteristic of Nan’ao multiter-minal Flexible DC transmission system as running stability of pure DC can be good,the power characteristics of it is the traditional DC unmatched,however,cross cutting process in the parallel operation of AC and DC with pure DC operating in contact mode,the accurate judgment of control system of Nan’ao power grid and fast response is particularly important,how from different angle to determine the network structure and make the right mode of operation and the matching,this paper will combine the grid structure form field approach tells us realistic and emergency measures,the methods discussed mainly in hard contact light manual intervention discussions,which provides the basis for the subsequent soft straight project,also provide infer other things from one fact example for similar power to other forms of network,effectively solve between the network and reality of the information equipment contradiction of choice.