Shanxi Zhaoguang Power Generation Co., Ltd. 2*300MW subcritical, air-cooled, condensing steam turbine generator set adopts air-cooled fan frequency conversion method. Our company won the bid in October 2003. The system uses Danfoss frequency converters, each air cooler is equipped with 24 fans, and each fan is equipped with one frequency converter, a total of 48 frequency converters. The inverter is installed in the electrical control cabinet. Operated by the control panel.