Abstract
Power factor correction (PFC) is an effective method to reduce harmonic current in power grid. A novel boost high power factor rectifier with UCC28019 is proposed. The UCC28019 8-pin active Power Factor Correction controller uses the boost topology operating in continuous conduction mode (CCM). It does not need multipliers. The use of the IC will make the PFC circuit design easily and the volume of the rectifier small. The fundamental principle of the proposed rectifier is introduced. Its sections such as current loop and over-current protection, voltage loop and over-voltage protection, and so on, are analyzed and designed respectively in detail. Experimental results of the designed 350W prototype prove that the boost high power factor rectifier is rational and reliable, its power factor can reach 0.992, and its application prospect is wide.
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