question

nour-akel avatar image
nour-akel asked

Help needed regarding a little water turbine

Hi,

I have a water turbine that is used to power a small kids shack ventilating fan next to a river, the input from the turbine is 2A (fluctuates), 12v. Will any of the charging control module for solar work for such an application? The load is 1.5A and I am planning to use a 12 V lead battery.

battery chargingsystem designbattery system voltage
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2 Answers
Stefanie avatar image
Stefanie answered ·

Hi @Nour Akel,

unfortunately this doesn't work. The MPPTs require at least +5v above battery voltage to start.
For a 12V battery this means 17V.

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Any idea on a way around this?

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Not for 12V output from the hydro generator. But maybe @Markus has an idea. He's expert on hydro generators.

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Unfortunately, as Stefanie said, your turbine is producing too little Voltage to connect it to a MPPT charger or charge a battery directly.
Depending on your load, it might work to connect the load directly to the (DC) turbine.

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Because of the power fluctuation due to the nature of the river it does not work :(

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alan avatar image
alan answered ·

have you checked the voltage with a multi meter?

This is more along the lines of what you want.

https://www.victronenergy.com.au/dc-dc-converters/orion-tr-smart-non-isolated


the 12-12/30

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