应用于机电暂态仿真的直流输电系统控制特性算法研究

文章提出一种新的直流输电系统控制特性分析计算方法,分析直流输电系统两侧交流电压的各种分布中,能达到恒功率控制的范围,并计算其在不满足恒功率控制的情况下输送功率的最优值,从而得出机电暂态仿真中直流控制系统计算用重要数据。文章通过算例实现了应用直流系统控制特性算法的电力系统机电暂态仿真计算,对所提出的直流系统控制特性分析算法进行验证,为电力系统机电仿真提供了准确的直流控制系统数据。

Research on DC Transmission System Control Characteristics Algorithm for Electromechanical Transient Stability Simulation of Power System

This paper presents a new method for calculating the control characteristics analysis of DC transmission system.The aim is to make the results of calculations closer to the actual characteristics of HVDC system.The program analyzes the range of constant power control in various distribution of the AC voltage on both sides of DC transmission system.In addition,the program can calculate the optimal value of the transmission power when the value cannot meet the constant power control.So,we can obtain the significant data used in the calculation of DC control system in electromechanical transient stability simulation.This paper completes the electromechanical transient stability simulation in an actual case by using the method for calculating the control characteristics analysis of DC transmission system,so as to validate the method analyzing the DC transmission system control characteristics and provide accurate DC control system data for electromechanical transient stability simulation.