... control system.·U.S. BASLER AVC63 Series AVR·Efficient one-way rotary fan·Fulcrum ... full-sealed maintenance-free bearingsRotation directionTFW2 series alternator adopt a one-way rotating fan design, ... brushless excitation, AVR automatic voltage regulator, insulation, such as H-class, steel chassis stable performance, reliable quality. Optional color alternator. Three-Phase A.C. Synchronous Generator ...