You can't really use an AC power source for this requirement. The way its done is with a tap switched transformer (KeyTek) or via a switch between two or more variacs or other fixed ac sources.
Mike Hopkins KeyTek > -----Original Message----- > From: [email protected] [SMTP:[email protected]] > Sent: Monday, January 24, 2000 4:11 PM > To: [email protected] > Cc: [email protected] > Subject: EN61000-4-11 > > > > EN 61000-4-11 states that the rise/fall time for a test generator used > to perform a voltage abnormalities test (i.e. dips, variations etc > should be between 1 and 5 microseconds.) > > Does anyone know of a generator that meets this criterion? I have > come across a few but they typically cannot be programmed to work with > rise/fall times less than 0.1 milliseconds(i.e. 100 microseconds). > Thanks for your usual co-operation. > > John F. Whitfield > > > --------- > This message is coming from the emc-pstc discussion list. > To cancel your subscription, send mail to [email protected] > with the single line: "unsubscribe emc-pstc" (without the > quotes). For help, send mail to [email protected], > [email protected], [email protected], or > [email protected] (the list administrators). > --------- This message is coming from the emc-pstc discussion list. To cancel your subscription, send mail to [email protected] with the single line: "unsubscribe emc-pstc" (without the quotes). For help, send mail to [email protected], [email protected], [email protected], or [email protected] (the list administrators).

