Hello,
i have a 2MVA power transformer delta connected, 13.2kv-240v supplying a 5000A C.B. we installed 15 sets of 200mm2 THW cable(355a/200mm2 THW cable), the system only consumes 1700a per phase, the cable have an audible humming sound? where does the humming sound come from?
i have a 2MVA power transformer delta connected, 13.2kv-240v supplying a 5000A C.B. we installed 15 sets of 200mm2 THW cable(355a/200mm2 THW cable), the system only consumes 1700a per phase, the cable have an audible humming sound? where does the humming sound come from?