Novel single-stage isolated power-factor-corrected power supplies with regenerative clamping

摘要: Single-stage isolated power-factor-corrected power supplies (SSIPPs) have the attractive features of fast regulation and a single control loop. In this paper, we further propose to add very simple regenerative clamping circuit an SSIPP reduce voltage stress recycle energy trapped in leakage inductance isolation transformer, thus eliminating need for lossy snubber circuit. addition, proposed also improves factor SSIPP, employing boost converter as input stage. Analysis experimental results are reported verify operation performance with clamping.