Use Boost Converter or Inverter for off-grid system?

Started by USCGC3CEN, July 26, 2017, 02:19:31 PM

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USCGC3CEN

July 26, 2017, 02:19:31 PM
Adding a 48 VDC/110 VAC device to an off-grid 24 VDC system. Since the device can be powered either by an inverter (AC) or a boost converter (DC), could choose either. Load of the new device is only 50W.

Reliability is more important than efficiency, as the remote site is difficult to reach during winter. Could we use dual inverters/boost converters to increase reliability?

ClassicCrazy

#1
July 26, 2017, 07:55:35 PM
I would go with the 24 to 48v converter .
I just looked up to see what is on the market
This is one
http://www.axiomatic.com/power-supply/24v-to-48v-dc-converter/
There are lots of other brands  to choose from
Larry
system 1
Classic 150 , 5s3p  Kyocera 135watt , 12s Soneil 2v 540amp lead crystal for 24v pack , Outback 3524 inverter
system 2
 5s 135w Kyocero , 3s3p 270w Kyocera  to Classic 150 ,   8s Kyocera 225w to Hawkes Bay Jakiper 48v 15kwh LiFePO4 , Outback VFX 3648 inverter
system 3
KID / Brat portable

tecnodave

#2
September 20, 2017, 01:11:53 AM
USCGC3CEN,

Definutely the boost converter, it will be way more efficient that an inverter at that power level,also probably more reliable.

David
#1 Classic 150 12 x Sharp NE-170, 2S6P, 24volt L-16 Rolls-Surette S-530, MS4024 & Cotek ,  C-40 dirv.cont. for hot water
#2 Classic 150 12 x Sharp NE-170, 2S6P, 24 volt L-16 Interstate,Brutus Inv.
#3 Kid/WBjr 4/6 Sanyo 200 watt multilayer 4/6 P
#4 Kid/WBjr 4/6 Sanyo 200 watt multilayer 2S 2/3 P
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