Hello Colleagues,
I have a project and part of it was driving a 90kW motor for a hammer mill where I specified star-delta starter protected with NH2 fuses and bimetallic relay in the branch.
Contractor built the cabinet and changed protection from fuses-bimetall combo to single circuit breaker...
Hello,
I am calculating a cable (selecting fuse/protection, calculating voltage drop) for star/delta starter of squirrel-cage motor by IEC standard, IEC 60364-4-43.
When there are two cables in parallel that supply some load, let's say two cables that supply some electrical cabinet from a...