Solar Training - Maximum Voltage

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Learn how to determine maximum voltage in solar photovoltaic (PV) systems.
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It is very useful because I can understand it through pictures. thank you

Terry-lgeg
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Thanks so much for this

Is there harm in oversizing your solar panels to improve absorption on cloudy days?
Eg a 650w panel for an inverter designed for 550 watt max solar input.

Will there be risk on a sunny day when 650 watt is actually absorbed by the solar panel?

My inverter has a built in solar charge controller.

rezo
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Just came across this video as I am new to investigating solar systems. In order to get a good south facing array out from under trees I would have to put my array down in my pasture about 600 yards away from the house. What kind of voltage and wire gauge would I need to go that far?

savannahrei
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@
SolarPVOutlaws I have 2*110Ah leisure batteries in parallel connection. I want solar panels to charge the batteries and for that i am considering 3*160watts MONOCRYSTALLINE solar panels and a MPPT charger. what Amp of MPPT charger do i need to buy to support these 3 solar panels and do I connect the solar panel in series connection with each other? Details of the solar panels that I am going for is:
Watt: 160
open circuit voltage (VOC): 23
max power volt (vmp): 7.7
short circuit current (ISC): 10
max power current (Imp): 9.5

rashedulhasan
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Connect wiring diagram of 12 solar panel in 24v

ochitijohn
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Hi, how much 375w panels (38v and 11amps) can I connect to a 5kw hybrid inverter with 145VOC

Inverter Output

Waveform: Pure Sine-Wave.
Rated Power: 5000VA/5000W.
Parallel Capability: Yes, 6 units.
AC Voltage Regulation (Battery Mode): 230VAC ± 5% @ 50/60Hz.
Surge Power: 10000VA.
Efficiency (Peak): 93%.
Transfer Time: 10 ms (For Personal Computers); 20 ms (For Home Appliances).

Solar Charger
Maximum PV Array Power: 4500W.
MPPT Range @ Operating Voltage: 60VDC ~115VDC.
Standby Power Consumption: 2W.
Maximum PV Array Open Circuit Voltage: 145VDC.
Maximum Efficiency: 97%.
Maximum Solar Charge Current: 80A.
AC Charger

Charge Current: 60A.
AC Input Voltage: 230 VAC.
Selectable Voltage Range: 170-280 VAC (For Personal Computers); 90-280 VAC (For Home Appliances).
Frequency Range: 50Hz/60Hz (Auto sensing).

williamseptember