B.Arun kumar, T.Sudar oli selvi
Abstract-The step up high voltage gain dc– dc converter with three state switching cell and five voltage multiplier cells provides continuous input current with reduced ripples and high voltage. The voltage increases by cascading several voltage multiplier cells constituted by diodes and capacitors that operate on the resonance principle. The voltage stress across the elements is reduced due to clamping performed by the output capacitor. Interleaving allows the operation of the multiplier stages with reduction of the current stress through the devices and the size of an input inductors and capacitors is also drastically reduced. It is suitable in cases where dc voltage step-up is demanded, such as electrical fork-lift, audio amplifiers and many other applications. Key Terms—Boost converters, dc–dc converters, high voltage gain, voltage multiplier cells (VMCs).
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