Hello Wrenches, We have an Outback VFX3648 inverter AC coupled to a Stirling Generator. We use an Outback autotransformer to get the 240 V needed to match the Stirling. The Stirling generator must run continuously, as it is difficult to start up after a shut down.
The system works flawlessly for many hours. At some point, usually when the dump load kicks on, the generator shuts down on a high voltage error. High voltage is about 264 V. We have never seen voltage that high on the system. We replaced the control board on the inverter, and the output voltage appears very stable. The Stirling people say that the Outback must be putting out high voltage spikes that are so brief that we will not be able to see them with a voltmeter. Can an Outback inverter create such spikes? Thanks, Drake
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