连续系统辨识方法在电力系统辨识理论研究与工程应用中具有重要意义,针对连续系统辨识的难点,通过积分变换将信号微分项进行积分运算消除误差,考虑Walsh变换的快速特性和积分变换特性,提出基于Walsh变换的电力系统参数辨识方法,并进行了水轮机调节系统参数辨识试验。结果表明,该方法有效,参数辨识精度高,抗干扰能力强。 The continuous system identification method is of great significance in the research of power system identification theory and engineering application. In view of the difficulty of continuous system identification, the signal differential term is integrated by integral transform to eliminate the error. Considering the fast property of Walsh transform and integral transform characteristics, Power system parameter identification method based on Walsh transform and parameter identification test of turbine governing system. The results show that this method is effective, high precision of parameter identification and strong anti-interference ability.