利用三脉动换流器模型对三峡-广东直流输电系统直流侧谐波进行了计算，并对三脉动换流器模型进行了分析。
The three pulse converter model is analyzed, and using this model the harmonics at the DC side of three GorgesGuangdong DC power transmission system is calculated.
在讨论电压源型高压直流输电（VSC-HVDC）的控制策略中，根据所给出的拓扑结构，建立三相静止系统下的数学模型；
According to the given topology of voltage source converter based HVDC system (VSC-HVDC), three-phases mathematic model in stationary frame is established.
分析了高压直流输电（HVDC）系统的结构和原理，建立了一个6脉冲桥HVDC系统模型并进行了仿真。
This paper analyzes the structure and principle of high voltage DC transmission(HVDC)system, builds a model of 6-impulse bridge HVDC system and makes a emulate on it.
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