ADDNEWs Hydo Generators and Excitation Systems unit-capacity ranges are from 100KW-200MW with both Horizontal and Vertical types. The Generator Control and Protection Systems with micro-computers widely apply to high-voltage and low-voltage controlling systems and the automation of the whole hydropower station or plant. Ancillary electrical equipments, other machines and special tools include speed adjusters, transformers, valves, cranes, step-up substation equipments, etc..