... of constant voltage; 3.good cost performance Series three(Single) A.C. synchronous generator Verified Information This information is Verified by ... , 150, 160, 180, 200, 250, 280, 300, 320, 350, 400, 450, 500, 560, 600, 640, 700, 720, 8000, 1000KW 2010/01 ... , 150, 160, 180, 200, 250, 280, 300, 320, 350, 400, 450, 500, 560, 600, 640, 700, 720, 8000, 1000KW 2010/01 ...