Calculation of Distribution Network Line Loss Considering the Influence of Harmonics

In view of the influence of harmonics on the calculation of distribution network line loss, this paper proposes a computer implementation method for the calculation of distribution network line loss considering the influence of harmonics. In this paper, the effective value of the harmonic current of each branch is calculated in turn by using the shunt principle, the harmonic current of each load, and the iterative recursive method of the grid line structure, until the first harmonic current is calculated, and then the harmonic loss of each branch is calculated by combining the equivalent resistance of the line and transformer under the harmonic. Finally, the feasibility and practical significance of the method are verified by combining the measured data.