... of electronic free circulation static phase advancer 1.HF series of static-free circulation into the phase ... A) stator volotage(KV) rated power(KW) HF—400/ ≤400 0.4,3,6,10 75~ ... 3,6,10 630~1600 HF—1000/ ≤1000 0.4,3,6,10 1000~2000 HF—1200/ ≤1200 0. ... 4,3,6,10 1600~2500 HF—1500/ ≤1500 0 ... .4,3,6,10 2000~3500 HF—/ >1500 Specifically designed ...