unit 1 electric power industry unit 2 new power resources unit 3 power system unit 4 the smart grid unit 5 electrical equipment unit 6 power transmission and distribution unit 7 electrical autiomation unit 8 protection and control power system unit 9 power enterprises unit 10 electricity market key to unit 1 key to unit 2 key to unit 3 key to unit 4 key to unit 5 unit 1 electric power industry unit 2 new power resources unit 3 power system unit 4 the smart grid unit 5 electrical equipment unit 6 power transmission and distribution unit 7 electrical autiomation unit 8 protection and control power system unit 9 power enterprises unit 10 electricity market key to unit 1 key to unit 2 key to unit 3 key to unit 4 key to unit 5 key to unit 6 key to unit 7 key to unit 8 key to unit 9 key to unit 10 glossary phrases and expressions