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Thanks for the input. I believe we have a Deif system in the works for this. I will look into that.

SEL makes the 547 but it looks more like a 651 or 751 line relay. We will be using S&C Intellirupters for the PCC connection (another new toy to learn). I am looking for something that will protect the generator itself, or even if this is a concern based on the size of 20KW. I am thinking...

We are building several small microgrids, all of which contain 20KW synchronous generators along with PV and battery. I am a distribution protection engineer with no experience with generator protection and would like to see what relay(s) that you would recommend. I am very familiar with...

Thanks for the help!

After seeing badservo's response, I would like to clarify that we I say grounded I am referencing the neutral as in a floating-wye versus grounded-wye. Apologies for that. I found this PowerPoint slide mentioning using a grounding bank to provide the ground reference for synchronizing an...

I am attempting to understanding some finer technical aspects for synchronizing a rotational-based or inverter-based generator with the utility system without the generator and the utility system in a delta-delta or a floating wye-floating wye configuration. For now please disregard the concept...

I have a question about the ANSI 25 Sync check relay and reconnecting to the distribution systems. Specifically I have a question regarding this operation for converter based generators that utilize wye grounded (primary) / wye ungrounded (secondary) transformers, but this would apply to any...