ggunn
PE (Electrical), NABCEP certified
- Location
- Austin, TX, USA
- Occupation
- Consulting Electrical Engineer - Photovoltaic Systems
I am assisting a colleague with a design incorporating a 480VAC inverter interconnecting with a 208V service through a step down transformer. What, if any, disco/OCPD does he need between the transformer and the inverter? The 208V side of the transformer is adequately protected from fault current coming from the service and the inverter has an integrated AC disco.
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