In the base station with oil-engine as the standby power supply

the safe and efficient management of power generation by oil-engine and base station power supply transition is needed. By combining intelligent transition controller and power environment supervision system

the energy-efficiency auto transfer switch system achieved the overall control of electric

accumulator as well as oil-engine and remote supervision of base station power supply transition

could ensure the persistency of base station power supply and the safety of oil-engine operation

reduce energy consumption of oil-engine and maintain work to a great extent.