Answer Posted / chris sullens
uses pulsed width modulation to control speed of
motor.Siemens.com has an EXCELLENT!!!! web site. Too much 4
me 2 list about. it is ACTUALLY DC that is pulsed to
motor.480 VAC X 1.414=678.72 Peak 2 Peak voltage DC Volts
at motor.Standing Wave can be up close 2 3000 VOLTS!!! on a
480 motor it is a fundamental of the Frenquency and
length.In which case U need 2 add a REACTOR [Filter] or
DELTA/WYE ISOLATION XFMR.If drive is to DC motor DO NOT
bond XO.
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