1. State Grid Shandong Electric Power Company, Jinan, China, Shandong Luneng Intelligence Technology Co., LTD, Jinan, China
2. State Grid Shandong Electric Power Company, Jinan, China
3. Shandong Experimental High School, Jinan, China
4. State Grid Shandong Electric Power Company, Jinan, China, State Grid Shandong Electric Power Research Institute, Jinan, China