CAJ | 학술논문

电力系统分析中，经常将三相坐标系通过坐标变换到两相旋转坐标系以此来简化复杂的电力问题，这种变换可简称为3s/2r变换。详细介绍了3s/2r坐标变换及其逆变换的思想，从数学角度分析了三相坐标系交流变量的变化对两相坐标系分量的影响，同时也分析了逆变换时两相坐标系分量的变化对三相坐标系交流变量的影响。用MATLAB进行仿真，仿真结果验证了此分析的正确性。
전력계통분석중，경상장삼상좌표계통과좌표변환도량상선전좌표계이차래간화복잡적전력문제，저충변환가간칭위3s/2r변환。상세개소료3s/2r좌표변환급기역변환적사상，종수학각도분석료삼상좌표계교류변량적변화대량상좌표계분량적영향，동시야분석료역변환시량상좌표계분량적변화대삼상좌표계교류변량적영향。용MATLAB진행방진，방진결과험증료차분석적정학성。
In power system analysis ,the transformation called 3s/2r which converses three-phase coordinate system into two phase rotating coordinate system will simplify the complex problems of electricity .This paper introduces the 3s/2r transformation and its inverse transformation in details .From the view of mathematics ,the influence of the change of AC variable on two-phase coordinate component is analyzed ,and also the influence in the inverse transformation .MATLAB simulation is carried out ,and the results show the analysis method is correct .