Parameter optimization for 2.65MHz electrodeless ballast

The conversion efficiency of a 2.65 MHz electrodeless ballast is improved by analyzing the complexity due to the dead-time and frequency control.The switching losses are analyzed based on the governing equations of a self-oscillating scheme.The switching and dead-time control is improved by an independent-driven topology with the electrical parameters optimized using generalized reduced gradient(GRG) arithmetic.Tests show that the power conversion efficiency is increased by 6.55% relative to the self-oscillating scheme.This optimization method reduces the switching loss and increases the total luminous efficacy.