March 2, 20224 yr 3Phase advice needed. So we are between 2 fires on a 3phase installation using SunSynk. Either 2x 12Kw 3phase units or 3x 8.8kw units in a 3phase configuration. Question I have. If you go with 3x 8.8kwh units, and lets say one of The 3 inverters dies or goes offline for any reason, will this be considered as a phase loss? Will a phase protection relay help on a case of Inverter that drops out? Same goes for when the eskom side drops a phase, will this have an influence on the operations on the inverter(s)
April 3, 20224 yr I have a 3 phase setup configured with 3 5kW deye inverters (which are very similar to the sunsynk inverters). When one phase is overloaded (running dryer+AC, for example), the inverter connected to that phase shuts down with an overload error and the other two also shut down with a communication error. All power to the loads is lost for a short time until the inverters restart. If grid power drops a phase this will probably be interpreted as a total grid failure and all inverters will probably switch to PV+battery but it's not possible for me to test this.
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