The invention relates to a control strategy for a super capacitor energy storage system current transformer. The control strategy is characterized by comprising steps of analyzing energy distribution states of a super capacitor energy storage system in different work modes, establishing a system mathematics model, designing a control strategy of a bidirectional DC/DC current transformer and designing a control strategy of a DC/AC voltage source type current transformer, the bidirectional DC/DC current transformer and the DC/AC voltage source type current transformer are taken as power adjusting devices, and power throughput of the super capacitor energy storage system and DC side voltage control are realized. A simulation system is established based on PSCAD/EMTDC software, accurate and rapid response to designated charging and discharging powers can be realized by the super capacitor energy storage system, DC side voltage work is stable, and work efficiency is high.