... , All three-phase generators are 12-lead reconnectable, providing voltage and phase flexibility. Insulation and ProtectionInsulation: H, Protection: ... excited system the main stator provides power via the Automatic Voltage Regulator (AVR) to the exciter stator. The high efficiency ... eliminates triplen (3rd, 9th, 15th …) harmonics on the voltage waveform and is found to be the optimum design for ...