I need a 24 VDC automatic transfer switch for a shipboard application. It has to switch to an alternate power source upon loss of the normal power source. I can't use a "best voltage" diode arrangement because the normal source is not necessarily the best voltage. This switchover has to...
Hello, everyone,
I am replacing some Silicon Controlled Rectifier units that convert 600 VAC to 750 VDC for some DC propulsion motors. I would like to reference specifications for performance and testing. IEEE 45 (2002 edition) says it should comply with IEC 60146 and 61136. Somebody gave me...
I am trying to evaluate vendor components and all I can get from them is "sure, it'll do that!" For instance, I am trying to replace the field contactors for a large DC motor. Vendor says they have something better but has provided nothing but a part number. I need to know what...