NEMA ICS 61800-4-2004 applies to power drive systems with converter voltages (line-to-line voltage), between 1 kV ac and 35 kV ac, input side 50 Hz or 60 Hz, and load side frequencies up to 600 Hz.
NEMA ICS 61800-4-2004
$125.00
Adjustable-Speed Electrical Power Drive Systems, Part 4: General Requirements – Rating Specifications for AC Power Drive Systems Above 1000 V AC and Not Exceeding 35 kV