基于PSCAD光纤通道联调的仿真平台

Simulation platform of fibre channel joint debugging based on PSCAD

介绍一种利用PSCAD搭建输电线路光纤通道联调实验仿真平台的方法。首先对光纤电流差动保护的原理及动作特性做简要介绍,并对仿真模型进行搭建。然后结合现场通道联调的方法,利用该仿真平台对线路两端的电流及其差流、空冲时故障、弱馈保护、远跳等功能进行仿真分析,进而验证该仿真平台的正确性与实用性。该仿真平台以图文并茂的形式展示了光纤通道联调的过程与结果,经在实际中应用,取得了良好效果。

A method to build an experimental simulation platform for transmission line fiber channel joint commissioning is introduced by using PSCAD.Firstly,the principle and operation characteristics of optical fiber current differential protection are briefly introduced,and the simulation model is built.Then,combined with the method of field channel joint debugging,the simulation platform is used to analyze the current and its differential current of two ends of the line,no-load fault,weak feed protection,remote trip and other functions,and then the correctness and practicability of the simulation platform are verified.The simulation platform shows the process and results of fibre channel joint debugging in the form of pictures and texts,and has achieved good results in practical application.