The load used in electroacoustic transmitter systems exhibits short-term pulse characteristics. High peak-to-average power ratio is a challenge for peak power and reliability of power supplies. This paper proposes an improved single-stage DC-DC-AC triple active bridge converter. Smoothing the power supply pulsation power through integrated energy storage port. By adding a hardware decoupling network, the energy decoupling among the energy storage port and the load port can be realized, reduces the impact of energy fluctuations at the storage port on the load port and ensures a stable AC output.