Cascade Utilization Battery Energy Storage System Architecture and Control Strategy

doi:10.16628/j.cnki.2095-8188.2021.04.015

Abstract

Abstract:

This paper analyzed the characteristics of the cascade utilization battery and the problems existing in the application of energy storage,a new cascade utilization battery energy storage system architecture based on DC-DC converter interleaved parallel structure was proposed,and the control strategy based on battery pack SOC was given.It also verified the feasibility of the system architecture and control strategy.The architecture and control strategy not only take into account the characteristics of each battery pack,but also have the cost advantage compared with the series energy storage architecture.The requirements of battery pack consistency for energy storage system are reduced.The modular structure can be flexibly configured according to the system capacity and battery capacity,and the system efficiency is improved under light load.It provides a new energy storage scheme for the commercial application of echelon battery.

Key words: echelon utilization of batteries, staggered parallel, system architecture, control strategy, energy storage system

CLC Number:

TM912

LI Feng. Cascade Utilization Battery Energy Storage System Architecture and Control Strategy[J]. LOW VOLTAGE APPARATUS, 2021, 0(4): 81-84.

Figures/Tables 3

References 14

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