TZH2 series phase-compound-exciting three phase AC synchronous generator is designed and developed by our company. Its power ranges from 75kw to 350kw. The generator is always connected with an internal combustion engine to form a generator set. It features in excellent dynamic performance, simple structure, steady operation, convenience in operation and maintenance, high overload capacity, and so on. It is widely used as major or backup power supply in many occasions such as fieldwork, ore yard, factory, countryside, etc. The generator satisfies the international standard IEC60034-22(1996) ( the standard of Reciprocating Internal Combustion Engine Driving AC Generator ) and JB/T8981-1999 (the Technical Standard of the Brush Three-phase Synchronous Generator of China).