Variable Frequency Drive (VFD)


Author Message
PhenixRising
Guru

Joined: 07/11/2023
Location: United Kingdom
Posts: 1673
Posted: 01:20pm 15 Apr 2025      

Hi Harm,

Glad you brought-up the Power Factor thing  

So the item in the table is an actual monitor and I'm seeing 78° lag

Power Factor = cos(78°) ≈0.2079

Bit horrified at this but I checked typical Power Factors for DOL (direct-on-line) induction motors:



My tests are also "no load" as I can't test under-load just yet.

Source