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A Forum run by Enthusiasts of MidNite Solar

Other MidNite Electronics => MidNite SPD (Lightning arrestor) => Topic started by: SolarJedi on June 13, 2012, 05:14:36 PM

Title: Grid tie inverter SPD installation
Post by: SolarJedi on June 13, 2012, 05:14:36 PM
I would like to start installing SPD's on grid tie only inverters.  My question is will one SPD protect the inverter, or is one per side (AC/DC) needed?  If one is adequate, DC or AC?

Thanks
Title: Re: Grid tie inverter SPD installation
Post by: niel on June 13, 2012, 11:14:46 PM
you better put one on both sides and that's my recommendation, but if you were to go with only one it would be on the ac side.
Title: Re: Grid tie inverter SPD installation
Post by: Halfcrazy on June 14, 2012, 04:55:43 PM
I agree with Niel 100% I would use 2 but if only one is in the budget the AC side is the most vulnerable

Ryan
Title: Re: Grid tie inverter SPD installation
Post by: Robin on June 24, 2012, 01:37:16 AM
Two SPD's are less than 1% of the system cost. If you only put one in, you will probably only blow up half of the inverter.
Lightning is very unforgiving.
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