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Alternative Power
Really understanding the difference between 5kw and 8kw system
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<blockquote data-quote="ettiennepr" data-source="post: 1131602" data-attributes="member: 14454"><p>Hi, regarding "is there anyone who implemented a 5kw inverter who wished they had gone for 8 kw".</p><p></p><p>I have 3 x 5KVA inverters and found below cons</p><ul> <li data-xf-list-type="ul">Space being a problem. Each inverter requires a certain amount of space around it to operate correctly. So the area that you plan to use for the inverters, batteries, etc needs to be sufficient especially if you plan to upgrade. Its the upgrade and space planning that caught me</li> <li data-xf-list-type="ul">As mention by others, when you upgrade by going parallel then you should have the same inverter model, firmware, etc to have the best chance that it works correctly</li> <li data-xf-list-type="ul">Firmware updates being fun as well, when there is new firmware you need to update all the inverters</li> <li data-xf-list-type="ul">Cable balancing needs to be considered. Length and width of the cable from the batteries to the inverters could become an issue. The inverter with the shortest cable to the battery will carry the most load. Make sure you (or the installer) know about the pitfalls here</li> </ul><p>In the end I wished I had gone for a single 15KVA inverter instead of the 3, but the budget would not allow that. So I went with the parallel upgrade path.</p><p>If you plan to parallel I would recommend using Victron as this system works.</p><p></p><p>Regards</p></blockquote><p></p>
[QUOTE="ettiennepr, post: 1131602, member: 14454"] Hi, regarding "is there anyone who implemented a 5kw inverter who wished they had gone for 8 kw". I have 3 x 5KVA inverters and found below cons [LIST] [*]Space being a problem. Each inverter requires a certain amount of space around it to operate correctly. So the area that you plan to use for the inverters, batteries, etc needs to be sufficient especially if you plan to upgrade. Its the upgrade and space planning that caught me [*]As mention by others, when you upgrade by going parallel then you should have the same inverter model, firmware, etc to have the best chance that it works correctly [*]Firmware updates being fun as well, when there is new firmware you need to update all the inverters [*]Cable balancing needs to be considered. Length and width of the cable from the batteries to the inverters could become an issue. The inverter with the shortest cable to the battery will carry the most load. Make sure you (or the installer) know about the pitfalls here [/LIST] In the end I wished I had gone for a single 15KVA inverter instead of the 3, but the budget would not allow that. So I went with the parallel upgrade path. If you plan to parallel I would recommend using Victron as this system works. Regards [/QUOTE]
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Really understanding the difference between 5kw and 8kw system
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