SIMULATION OF PASSIVE CELL BALANCING FOR BATTERY MANAGEMENT

Abstract

This project explores the application like electric vehicles and renewable energy storage, battery management systems (BMS) are crucial for preserving the effectiveness, durability, and safety of battery packs. Cell balancing, which balances charge levels among individual cells to avoid overcharging and deep discharging, is one of a BMS's primary functions. The cost-effective technique of passive cell balancing, which uses resistors to discharge surplus energy from higher-charged cells as heat, is the subject of this paper. A passive balancing circuit is modelled using MATLAB simulation in order to examine the balancing procedure, voltage fluctuations, energy dissipation, and overall efficacy. The findings show that although passive balancing successfully lowers voltage differentials between cells, heat dissipation causes energy losses. Cell balancing, which balances charge levels among individual cells to avoid overcharging and deep discharging, is one of a BMS's primary functions. The cost-effective technique of passive cell balancing, which uses resistors to discharge surplus energy from higher-charged cells as heat, is the subject of this paper. A passive balancing circuit is modelled using MATLAB simulation in order to examine the balancing procedure, voltage fluctuations, energy dissipation, and overall efficacy. The findings show that although passive balancing successfully lowers voltage differentials between cells, heat dissipation causes energy losses.