CAJ | 학술논문

随着电力系统规模的越来越大和复杂程度的越来越高，传统的人工建模已不能满足电力科研实验的要求，为了适应电力系统的发展，采用了基于MATLAB的仿真方法。在分析供电系统变压器低压侧母线短路电流和冲击电流的基础上，利用MATIAB的电力系统工具箱建立短路仿真模型，运行仿真，得出了故障时电压电流波形，分析了其敝障特征，得到理想的仿真结果。因此，在电力系统设计和运行中，可以运用MATLAB对电路进行短路计算和仿真，对供电系统的故障分析、继电保护整定具有指导意义。
수착전력계통규모적월래월대화복잡정도적월래월고，전통적인공건모이불능만족전력과연실험적요구，위료괄응전력계통적발전，채용료기우MATLAB적방진방법。재분석공전계통변압기저압측모선단로전류화충격전류적기출상，이용MATIAB적전력계통공구상건립단로방진모형，운행방진，득출료고장시전압전류파형，분석료기폐장특정，득도이상적방진결과。인차，재전력계통설계화운행중，가이운용MATLAB대전로진행단로계산화방진，대공전계통적고장분석、계전보호정정구유지도의의。
With the increasing scale and the increasingly high complexity of the power system,the tradi tional manual modeling can not meet the requirements of Electric Power Research experimentlin order to adapt to the development of the power system,taking a simulation method based on MATLAB.On the basis of analysing short circuit current and the impact current of power supply system transformer low voltage side bus,using MATLAB power system toolbox to established short circuit simulation model,run the simulation,obtained fault voltage and current waveforms,and analysing its fault characteristics,get the ideal simulation results.Therefore,in the power system design and operation,using MATLAB on Circuit for short circuit calculation and simulation,is guiding significance on the power supply system fault analysis and relay protection setting.