Modular Equalization System Based on Double-Layer Voltage Multipliers for Series-Connected Ultra-Capacitors String

Using a multi-winding transformer to drive voltage multipliers (VMs) for balancing ultra-capacitors (UCs) string can improve the scalability of the equalizer. However, each winding of the multi-winding transformer differs in the ratio of turns, leakage inductance, and bypass resistance, resulting in...

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