应用伪逆计算确定户外变电站变压器的降噪目标

Determination of the Noise Reduction Target for Outdoor Substation Transformers by Using Pseudo-Inverse Calculation

户外变电站变压器需严格遵守厂界噪声标准。提出一种确定户外变电站变压器降噪目标的方法,该方法基于伪逆计算,输入必要的参数,通过求解线性系统的伪逆解,确定每台变压器的降噪目标值,从而使得厂界噪声符合相关规范。该方法在模拟变电站和实际变电站上进行了验证,同时将伪逆解与线性规划得到的最优解进行比较分析,为解决变压器噪声问题提供参考。

Transformers in outdoor substations should comply with strict noise regulation standards.This paper proposes a practical method for determining the noise reduction target for transformers in an outdoor substation based on a pseudo-inverse calculation.By solving the pseudo-inverse problem of the linear system with necessary input parameters,the noise reduction target for each transformer is determined.The proposed method is demonstrated on a virtual substation and a real primary substation.Solutions were also compared with the solution obtained by linear programming.