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More about AC coupled vs DC coupled system
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<blockquote data-quote="binky" data-source="post: 549368" data-attributes="member: 490"><p>Ok nothing converts DC from the panels to AC and back again to charge the batteries. When we talk of AC batteries, what we are actually talking about is a battery with no solar connection, just linked to the AC grid supply. Hybrid inverters are just standard inverters with the extra bit that allows them to charge batteries, and discharge batteries to provide power in demand.</p><p></p><p>As it happens most AC inverters are hybrids, that could have panels connected, but have been designed to work without them. There are a few which are pure battery chargers. All batteries are DC. So with an AC system, it converts AC to DC, and back again. If you have a hybrid inverter, it charges the batteries direct from the DC from the panels after stepping down the voltage to around 50v, but, as has been discussed many times, you can also set times to charge from the grid aswell</p></blockquote><p></p>
[QUOTE="binky, post: 549368, member: 490"] Ok nothing converts DC from the panels to AC and back again to charge the batteries. When we talk of AC batteries, what we are actually talking about is a battery with no solar connection, just linked to the AC grid supply. Hybrid inverters are just standard inverters with the extra bit that allows them to charge batteries, and discharge batteries to provide power in demand. As it happens most AC inverters are hybrids, that could have panels connected, but have been designed to work without them. There are a few which are pure battery chargers. All batteries are DC. So with an AC system, it converts AC to DC, and back again. If you have a hybrid inverter, it charges the batteries direct from the DC from the panels after stepping down the voltage to around 50v, but, as has been discussed many times, you can also set times to charge from the grid aswell [/QUOTE]
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