Question: How to supply power for maintenance during electric capital extraction?
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I am requesting an increase in funding for the electrical department, specifically for a maintenance power supply. I would like to ask those working in the electrical field: 1. Does a maintenance power supply require its own cabinet, so that it remains powered even when all other cabinets have their power cut off? 2. What power rating is required for the maintenance power supply? 3. How many maintenance power supplies are usually provided in a production workshop?
It’s usually a few KW; two single-phase or three-phase sockets are provided, and in some cases a circuit breaker is installed directly