High performance liquid chromatography (HPLC)-based transformer area topology identification method and device, electronic equipment and storage medium

• Main Authors: LI CHAO, LI MENG, ZHOU FENGHUA, MIAO HONGJIA, XI HAIKUO, WANG YANQIN, ZHANG HAINING, ZHAN JUNNAN, MIAO HONGYING
• Format: Patent
• Language: Chinese; English
• Published: 14.03.2023
• Subjects: CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTINGELECTRIC POWER; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER; ELECTRICITY; GENERATION; SYSTEMS FOR STORING ELECTRIC ENERGY

The invention discloses a transformer area topology identification method and device based on HPLC, electronic equipment and a storage medium, and the method specifically comprises the steps: carrying out the preliminary identification based on the feature information of a transformer area, and obtaining a first transformer area topology; acquiring a distribution transformer voltage co-wave spectrum of a distribution transformer low-voltage side of the transformer area and a user voltage harmonic spectrum of a user intelligent electric meter in real time, and extracting a distribution transformer voltage characteristic harmonic spectrum and a user voltage characteristic harmonic spectrum from the distribution transformer voltage co-wave spectrum and the user voltage harmonic spectrum; performing secondary identification based on the similarity between the distribution transformer voltage characteristic harmonic spectrum and the user voltage characteristic harmonic spectrum to obtain a second transformer area