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Electronic Equipment > Electrical Engineering > Re: induction m...
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Re: induction motor power factor more than one

by Danny <dindyk@[EMAIL PROTECTED] > Jul 17, 2008 at 08:04 PM

On Jul 18, 6:06=A0am, Salmon Egg <Salmon...@[EMAIL PROTECTED]
> wrote:
8X------
> If pf is defined as cos(theta) where theta is the phase difference
> between voltage and current phasors, then assigning positive pf to
> inductive loads and negative pf to capacitive loads is mathematically
> untenable.

Instead of the phase difference..how about the amount by which the
Voltage phasor leads the Current phasor as a better definition?
>
> By the way, although I have not followed it through, power factors
> greater than unity would correspond to complex phase angles. In turn,
> What would make sense then is if there is an exponential growth (or
> decay) rather than a constant amplitude sine wave source. I do not wish
> to go there.

me neither...especially seeing as i would not know the way....[my
maths book are coming out at this point!]
 




 32 Posts in Topic:
induction motor power factor more than one
raggetzu@[EMAIL PROTECTED  2008-06-18 03:53:54 
Re: induction motor power factor more than one
"Bob Eld" <n  2008-06-18 07:56:02 
Re: induction motor power factor more than one
Salmon Egg <SalmonEgg@  2008-06-19 21:31:11 
Re: induction motor power factor more than one
"Don Kelly" <  2008-06-18 23:37:18 
Re: induction motor power factor more than one
Engineer <junk2007@[EM  2008-07-08 18:42:13 
Re: induction motor power factor more than one
"John McLean" &  2008-07-09 21:06:22 
Re: induction motor power factor more than one
Danny <dindyk@[EMAIL P  2008-07-09 20:22:54 
Re: induction motor power factor more than one
phil-news-nospam@[EMAIL P  2008-07-10 04:41:22 
Re: induction motor power factor more than one
"Don Kelly" <  2008-07-11 01:12:33 
Re: induction motor power factor more than one
marke <tmempson@[EMAIL  2008-07-10 01:13:07 
Re: induction motor power factor more than one
Salmon Egg <SalmonEgg@  2008-07-14 23:28:40 
Re: induction motor power factor more than one
phil-news-nospam@[EMAIL P  2008-07-15 07:08:20 
Re: induction motor power factor more than one
Salmon Egg <SalmonEgg@  2008-07-15 14:51:18 
Re: induction motor power factor more than one
"Don Kelly" <  2008-07-16 03:45:56 
Re: induction motor power factor more than one
Salmon Egg <SalmonEgg@  2008-07-17 13:06:49 
Re: induction motor power factor more than one
"Don Kelly" <  2008-07-18 03:43:32 
Re: induction motor power factor more than one
Salmon Egg <SalmonEgg@  2008-07-17 22:05:08 
Re: induction motor power factor more than one
phil-news-nospam@[EMAIL P  2008-07-18 04:51:27 
Re: induction motor power factor more than one
"Don Kelly" <  2008-07-19 04:01:33 
Re: induction motor power factor more than one
"daestrom" <  2008-07-19 18:06:51 
Re: induction motor power factor more than one
"Don Kelly" <  2008-07-20 02:57:52 
Re: induction motor power factor more than one
Salmon Egg <SalmonEgg@  2008-07-19 21:48:53 
Re: induction motor power factor more than one
"Don Kelly" <  2008-07-21 01:33:51 
Re: induction motor power factor more than one
"Michael A. Terrell&  2008-07-20 21:44:05 
Re: induction motor power factor more than one
"Don Kelly" <  2008-07-21 02:56:42 
Re: induction motor power factor more than one
"Michael A. Terrell&  2008-07-20 23:05:38 
Re: induction motor power factor more than one
"Don Kelly" <  2008-07-22 01:42:47 
Re: induction motor power factor more than one
"Michael A. Terrell&  2008-07-21 23:07:47 
Re: induction motor power factor more than one
Danny <dindyk@[EMAIL P  2008-07-13 22:42:29 
Re: induction motor power factor more than one
Danny <dindyk@[EMAIL P  2008-07-13 22:43:58 
Re: induction motor power factor more than one
Danny <dindyk@[EMAIL P  2008-07-17 20:04:06 
Re: induction motor power factor more than one
Salmon Egg <SalmonEgg@  2008-07-17 21:48:42 

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tan12V112 Thu Nov 20 22:53:27 CST 2008.