Re: Utility Billing KWH/ Measures in KVA but bills in kWh

> 
> The cap in A/C compressors isn't for pf, it's a capacitive start motor. 
> Same in refridgerators, wa****ng machines, dryers, and many furnace 
> motors. Commercial three-phase compressors used in refridgeration and 
> A/C do *not* have any capacitors for pf-correction.  The 3-phase motors 
> are started directly across the line.  (well, new hi-efficiency units 
> sometimes use variable speed control, but that's another story).
> 


Well I measured the power factor of my 3 ton heat pump and found it to 
be .85 to .91 depending on compressor load, so the capacitor may not be 
for PFC, but I'd still consider it to be HPF.