This site has about 180-200W of load. The TSP power supply is 360W. I
know the BCM has about a ~55W overhead for charging, so that should still
leave plenty of headroom, wouldn't you think?
On Sun, May 28, 2017 at 1:19 PM, Bill Prince <part15...@gmail.com> wrote:
> Might be as simple as your AC circuit is too small for the whole load. The
> key questions are (1) What is the load of your equipment?, and (2) What is
> the bulk charge load on your controller?
>
> Add those two together to understand what the total load should be.
>
>
> bp
> <part15sbs{at}gmail{dot}com>
>
>
> On 5/28/2017 9:19 AM, Josh Baird wrote:
>
>> I have a site with a TSP+BCM 48V combo. Last night, something caused the
>> AC breaker to trip, putting the site on battery. We didn't see the alert
>> until about 12 hours later. At this point, the batteries were down to
>> ~42V. When our guy arrived on site, he reset the AC breaker, and AC power
>> was restored. Immediately, the battery breaker (breaker between positive
>> side of the batteries and the BCM) tripped.
>>
>> Now, each time that we reset the battery breaker, it causes the AC
>> breaker to immediately trip. At this point, the site is up on AC with no
>> battery. Any ideas what would be causing this? Do you think the batteries
>> are causing the BCM to draw too much current? Could one (or more) of the
>> batteries be dead/bad? The site *did* run successfully on battery for
>> nearly 12 hours.
>>
>> Josh
>>
>
>
