[RE-wrenches] 3-Phase Service, One Phase Fails

[Dave Click]

Eaton just announced some safety switches with shunt trip that may work 
for you- Google: Eaton TD008003EN to get the datasheet.

TD008003EN
On 2013/9/24 11:12, Karl Jaeger wrote:
>
> Greetings Esteemed Wrenches,
>
> We are building a 35.75kW project with (6) Power One 6000's. The 
> service is a 240 delta. The utility is requiring (late in the game) 
> that if one leg of the service is lost, all inverters must shut down. 
> Of course, we have two inverters that do not shut down in that 
> circumstance because they are only tied into the other two phases. SMA 
> has a good (cheap) option to deal with this, SMA Power Balancers. With 
> other inverters this can be accomplished by installing an ATS with an 
> integrated controller by programming in the unacceptable phase 
> imbalance (expensive). Does anyone have experience with this 
> requirement and/or have a good (cheaper) solution?
>
> Thank you in advance!
>
> Karl Jaeger
>
> LightWave Solar
>
> Nashville, TN
>
>
>
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