Regarding smps voltage output in any system in plant

Dear sir If in a system output of smps is showing 24v in DC mode also showing 230v in ac mode of multimeter and the system is running fine. Then what does it means?

5 Answers
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5 Answers
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  • A basic isolated AC to DC switched-mode power supply consists of:
    Input rectifier and filter
    Inverter consisting of switching devices such as MOSFETs
    Transformer
    Output rectifier and filter
    Feedback and control circuit
    The input DC supply from a rectifier or battery is fed to the inverter where it is turned on and off at high frequencies of between 20 KHz and 200 KHz by the switching MOSFET or power transistors. The high-frequency voltage pulses from the inverter are fed to the transformer primary winding, and the secondary AC output is rectified and smoothed to produce the required DC voltages. A feedback circuit monitors the output voltage and instructs the control circuit to adjust the duty cycle to maintain the output at the desired level.
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  • It’s mean the SMPS input is 230 volt AC and output is 24 volt DC .
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  • SMPS operated on both ac and dc supply.
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  • Smps does not only gives linear power supply it gives voltage and current controlled output by o/p configurations
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