Diy Solar Boost Converter With Mppt Charge Controller

A quick video to answer a few questions raised about the ctk boost mppt solar charge controller which i looked at in this video.

Diy solar boost converter with mppt charge controller. I was thinking about an mppt controller like the epever 40a that can accept up to 100v and charge a 24v battery up to 40a. L1 330uh 2 4a solar panel 6v 5w q1 irf540n d1 1n5819 will it work. The arduino tries to maximize the watts input from the solar panel by controlling the duty cycle to keep the solar panel operating at its maximum power point. What is the maximum capacity of battery that i can charge using this circuit.

Mppt stands for maximum power point tracking. This means that the charging current is 12 ma. Solid state wigwag controller first light t k. Dc 12v source automotive charging.

12 alternator battery dc dc boost converter to 48v 8a mppt solar inputs. At this speed i can charge a 500mah in 42 hours or use it to run an embedded micro controller for example the attiny for the mppt controller. This is a simple solar boost converter and voltage limiter circuit that charges a 12v battery from a. At what value i should set r8.

A few years ago lukas fässler needed a solar charge controller and made his own which he has been improving ever since. Diy solar boost converter with mppt charge controller jim keith 02 07 2014. The arduino tries to maximize the watts input from the. Hopefully the wind will blow stronger.

The second graph shows a maximum of 0 044 watts. The maximum power point tracker mppt circuit is based around a synchronous buck converter circuit it steps the higher solar panel voltage down to the charging voltage of the battery. The design is now mature and the high efficiency mppt solar charger is. I was trying to make the diy solar boost converter with mppt charge controller with the following components.

This might be a totally stupid idea but let me know what you think. 6v solar charge shunt regulator.