Generator Auto-Start

[travelite]

Chuck,

There's a start stagger on-delay programmable in the SMXII's that prevents the AC's from turning on at the same time; it's called the "Compressor Time Delay" in the attached doc. For the ACs that are powered thru the Trace SW inverters, upon blackout the inverters will seamlessly pick up the load and sync with the generator, passing the loads onto the generator after 20 or 30s. While this isn't enough time for the genny to fully warm up, at least the waveforms are in phase which takes a huge strain off the equipment, the genny waveform is stable, and in-rush currents are eliminated. Most transfer switches have a delay of 30 to 60s to allow the genny waveform to stabilize. Sometimes this delay is configurable.