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2009•IEEE Transactions on Power ElectronicsRequires access

Voltage Compensation for Constant Power Control of Switching Mode Power Supply

Jing Yang

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Abstract

Voltage compensation is required for the constant power control of off-line switching mode power supply(SMPS) to balance the differences of over power protection point between high voltage and low voltage input.The principle of tradi-tional voltage compensation of fly-back converter is analyzed.A low loss controllable circuit for voltage compensation is proposed,which can reduce the stand-by power consumption of SMPS.The experimental results verify the feasibility of the proposed method.

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What this paper is about

Voltage compensation is required for the constant power control of off-line switching mode power supply(SMPS) to balance the differences of over power protection point between high voltage and low voltage input.The principle of tradi-tional voltage compensation of fly-back converter is analyzed.A low loss controllable circuit for voltage compensation is proposed,which can reduce the stand-by power consumption of SMPS.The experimental results verify the feasibility of the proposed method.

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Available abstract

Voltage compensation is required for the constant power control of off-line switching mode power supply(SMPS) to balance the differences of over power protection point between high voltage and low voltage input.The principle of tradi-tional voltage compensation of fly-back converter is analyzed.A low loss controllable circuit for voltage compensation is proposed,which can reduce the stand-by power consumption of SMPS.The experimental results verify the feasibility of the proposed method.

Key concepts: Switched-mode power supply, Constant power circuit, Voltage optimisation, Voltage regulation, Compensation (psychology), Control theory (sociology), Switched-mode power supply applications, Voltage compensation

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