Fig 1.
Overall framework of the low-voltage side harmonic estimation method for distribution transformer.
Fig 2.
Equivalent circuit of multi-harmonic sources in a station area.
Fig 3.
Harmonic voltage phasor projection.
Fig 4.
Schematic diagram of data augmentation.
Fig 5.
Schematic diagram of PSRGAN model.
Fig 6.
Structure of harmonic sample generator.
Fig 7.
Schematic diagram of electrical wiring in simulation.
Table 1.
DDTW relative correlation distance.
Fig 8.
Harmonic estimation results of simulation dataset (electrical images).
Fig 9.
Real and estimated values of harmonic currents.
Table 2.
Comparison results for indicators with and without screening.
Table 3.
Comparison results of indicators for different model estimation methods.
Table 4.
DDTW relative correlation distance.
Table 5.
Statistical comparison results of indicators under different harmonic currents.
Fig 10.
Schematic diagram of electrical wiring in simulation.