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  • Why DC voltage can"t step up or step down?

    SAYED SABEER

    SAYED SABEER

    @sayed-sabeer-OrDs5D
    Updated: Dec 12, 2016
    Views: 1.4K
    AC voltage only step up or step down. it is not possible to DC .what is the reason? if it is possible how?
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  • Kaustubh Katdare

    Administrator • Dec 12, 2016

    SAYED SABEER
    AC voltage only step up or step down. it is not possible to DC .what is the reason? if it is possible how?
    A Boost Converter does step up DC Voltage. Here's a DIY Boost Converter -

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  • Jay Kosta

    Member • Dec 13, 2016

    In order for voltage to be 'stepped up/down' there needs to be a cyclical change or fluctuation/oscillation in the voltage.

    If the DC voltage has that cyclical change, it can be stepped up/down.
    For example, think about a DC voltage that varies between 100 vdc to 1 vdc at 60 cycles/second. A DC voltage like that can be stepped up/down by a simple transformer as is commonly used for AC power.

    Jay Kosta
    Endwell NY USA
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  • SAYED SABEER

    Member • Dec 13, 2016

    Jay Kosta
    In order for voltage to be 'stepped up/down' there needs to be a cyclical change or fluctuation/oscillation in the voltage.

    If the DC voltage has that cyclical change, it can be stepped up/down.
    For example, think about a DC voltage that varies between 100 vdc to 1 vdc at 60 cycles/second. A DC voltage like that can be stepped up/down by a simple transformer as is commonly used for AC power.

    Jay Kosta
    Endwell NY USA
    how it is possible? which component to use step up the DC voltage
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  • Jay Kosta

    Member • Dec 14, 2016

    What are the specifications for the input and output DC voltages? There might be commercial devices available that do what you need - google dc voltage converter.

    A simple DIY example would be a converter device that plugs into the 12VDC supply in an automobile and has output of household AC voltage. Then plug into that a computer/electronics power supply that produces 24VDC or 6VDC.

    Jay Kosta
    Endwell NY USA
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