The SLG164A, a three-phase brushless synchronous alternator, is under the SLG series of brushless alternator manufactured by YANAN. This alternator has a balanced rotor with a single or two-sealed ball bearing that provide the operator with premium, reliable performance. This equipment can easily be connected with power network or through various alternators providing convenient installation and maintenance with easy access to terminal, rotating diodes and coupling bolts. Given any permanent magnetic alternators, SLG164A can perform stable excitation on all occasions. Additionally, it has a wide range of flange adapter and a single-bearing coupling disc.