The data sources of power industry mainly come from power generation, transmission, substation, distribution, electricity consumption and dispatching, which can be roughly divided into three categories: first, power grid operation and equipment testing or monitoring data; The second is the marketing data of power enterprises, such as transaction price, electricity sales, electricity customers and other data; The third is the management data of power enterprises.
By using smart terminal devices such as smart meters, the operation data of the whole power system can be collected, and then the collected power big data can be systematically processed and analyzed to realize real-time monitoring of the power grid; Combined with big data analysis and power system model, the power grid operation is diagnosed, optimized and predicted, which provides guarantee for the safe, reliable, economical and efficient operation of the power grid.