All Questions
10 questions
0
votes
1
answer
765
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MPPT bulk charge voltage vs sealed lead acid battery fully charged voltage
I could do with some help making sure I understand some MPPT battery charging fundamentals. Been reading up on this but can't find anything that has made it 100% clear for me.
An unloaded, fully ...
- 461
2
votes
3
answers
325
views
How does applying an MPPT algorithm on a buck converter result in maximum current into the battery?
When an MPPT solar charge controller —in my case, based on buck topology— is charging a battery in constant current (CC) mode, the MPPT algorithm is applied to find the PV panel voltage (or input ...
- 135
6
votes
4
answers
3k
views
Understanding the working of an MPPT solar charger
I am trying to understand the working of an MPPT charger for a Li-po battery (3.7 V nominal) and a 6 V, 2 W solar panel so that I can select the right charger for my project.
After searching and ...
- 163
0
votes
0
answers
40
views
Is it safe to have two batteries in series on a solar panel system with 14.22v and 14.46v?
I have two batteries in series plugged to a solar panel system.
In parallel they used to balance each other perfectly.
But now i'm trying to have a 24v system and I have them in series.
They ...
- 255
0
votes
3
answers
126
views
What would be the most efficient way of wiring a solar power bicycle?
I have an electronic bicycle; 350 motor that runs off a 17.5 Ah battery at 36 volts. I've just ordered three 12 volt, 150 watt solar panels, that I'll wire in series to total 450 watts; giving 12.5 ...
- 31
4
votes
1
answer
736
views
Different Wattage Solar Panels for Home [different Voltage/Ampere]
My current solar system for home
12V 100W polycrystalline Solar Panel.
12V 75Ah Lead Acid solar tubular Battery.
PWM 12V 10A Solar Charge Controller.
12V Input and 200VA Output Inverter.
Current ...
- 41
0
votes
2
answers
84
views
Can I get all the energy from a PV system if it is only hooked up to a CC and batteries?
What I mean is that I know a charge controller regulates the voltage and current into your batteries to protect them (and CC's can incorporate MPPT's to extract more from your solar panels), but do ...
- 105
2
votes
2
answers
445
views
Avoid current spike in buck converter
In image my model to simulate PV array & MPPT with buck converter .
The result from this model have two problem:
At t=T=1/f occur current spike in diode current and Vpv up above Voc.
In battery , ...
0
votes
1
answer
392
views
switch load depending on battery voltage
I have the following set up;
simulate this circuit – Schematic created using CircuitLab
MPPT charge controller: https://www.sparkfun.com/products/12885
Load: Raspberry Pi Zero
Battery is: ...
- 45
0
votes
3
answers
2k
views
How can keep output voltage constant in pv system with MPPT (FOCV method) and buck converter?
I simulate pv array (P=213 W , Voc=36V , Isc=7.84) with MPPT (fractional open circuit voltage method + PI controller) by using buck converter , and it's work very good with power efficiency 95% with ...