Sizing VFD - Electrician Talk
2021年6月15日 · Sizing VFD. I've been requested to install a VFD to power a 3 phase radial arm saw from a single phase service. This by itself is not a big deal, but the motor ratings on the …
VFD sizing for motor loads - Electrician Talk
2011年12月13日 · The VFD should be sized for the motor nameplate FLC, not HP because HP is not a reliable indicator of current draw, and VFDs are designed around current draw. There …
Motor Size Wiring from VFD - Electrician Talk
2012年6月6日 · For example the VFD is rated as follows: Mains Supply 3 x 380 - 480 VAC. Output current: Continuous (at 400 V) 315 [A] Max. input current: Continuous (at 400 V )304 …
VFD Fuse selection - Electrician Talk
2019年3月29日 · VFD Fuse selection Jump to Latest 2K views 11 replies 7 participants last post by JRaef Apr 1, 2019
Sizing vfds for single phase - Electrician Talk
2017年7月23日 · Cow. 3451 posts · Joined 2008. #2 · Jul 23, 2017. I do a fair amount of VFD's but have yet to try one on single phase. I understand that the rule of thumb is the VFD needs …
3 phase motor in residential. - Electrician Talk
2012年8月2日 · He said i don't need any short-circuit or ground-fault overcurrent protection either, just a breaker at panel size according to conductors going to the VFD, single phase input. . …
Residential well pump VFD - Electrician Talk
2024年5月15日 · W. wiz1997. 1509 posts · Joined 2021. #51 · May 16, 2024. Probably should disconnect the motor leads in the VFD prior to doing an ohm check. Leaving the motor leads …
NEC table 310.6 or article 400? - Electrician Talk
2020年9月23日 · As my VFD cable will have three current carrying conductors, this makes me believe table 310.6 might be where I should look to determine what wire size (AWG) I should …
VFD Size for single phase input - Electrician Talk
2022年10月29日 · Single phase input provides 35% rating on three phase drives.". If drive is specifically listed for single phase input on a 1 hp 3 phase motor at 4.8A. As long as the motor …
VFD Wire Size Question - Electrician Talk
2016年6月30日 · For the VFD feeders:-FLA 207A x 125% = 259A = 300kcmil (250kcmil is only good to 255) For parallel conductors, this would require 2 x 3/0 or 3 x 1/0. For the motor …