... 2) Brushless Synchronous A. C. Alternator, 3) Stamford Type of Electric Generator, 4) Three Phase optional, IP23, Class H ... terminal, rotating rectifier and coupling bolts, 11) Wide range of flange adaptor and single bearing coupling disc, Parameters: 1 ... of stable voltage≤ 1% 6) Transient state voltage≤ -15% - +20% 7) Wave aberration rate of voltage THD≤ 3% 8) Telephone harmony wave factor of telephone ...