Research and Application of Voltage Transformer Error Prediction Technology on Multi-Time Scale Data Analysis Method

摘要

The accuracy of measurement system of substation will directly affect the fairness of electric payment. Due to the influence of the environment on the transformer, the performance of transformer will decline. Performance attenuation of transformer will make electricity bill settlement abnormal, and even lead to some power grid accidents. In order to realize the monitoring of the operation state of substation measurement system and reveal the variation rule of transformer performance in the substation, this paper establishes a substation measurement data acquisition and analysis platform, proposes a transformer anomaly data monitoring method, proposes a transformer performance prediction method. The paper identifies abnormal condition of transformer and predicts operation condition of transformer through numerical modeling.