Cor, finally, someone with some background with the Juicebox Classic silver case unit. I've got a Juicebox classic 40A on a 50amp outlet which should put out enough power for my PFC40 charger. It works fine with both the 2017 Volt and the 2015 Spark, but they can only manage around 3.3kw. The problem comes when I plug in my S10 with the PFC40. If I turn up the charger power past about 4kw or so, the Juicebox works for a while, 10 to 15 minutes, but then faults with a GFCI error. I managed to find an old build document online for the kit which explains how to monitor the serial stream and also put a volt meter on the GFCI sense pin to the microcontroller and watch the offset voltage. I think that the Juicebox is a factory version as the GFCI transformer has a glob of white RTV fixing the 240VAC input wires in what should be the best position for minimizing the offset voltage. Everything starts out relatively good. The offset voltage is in the 50mv range as I remember. After about 5 minutes , the offset begins to increase while charging current remains steady. Once the offset voltage gets up to around 200mv, the fault occurs.
Is there anything I can do to improve the offset voltage so this doesn't happen? I'd like to be able to use the full power of the Juicebox since the PFC40 will handle it. thanks, Paul Wallace -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.evdl.org/private.cgi/ev-evdl.org/attachments/20180615/9b7bf814/attachment.html> _______________________________________________ UNSUBSCRIBE: http://www.evdl.org/help/index.html#usub http://lists.evdl.org/listinfo.cgi/ev-evdl.org Please discuss EV drag racing at NEDRA (http://groups.yahoo.com/group/NEDRA)
