> But, why are you measuring the voltage?  What are you doing with the
number?
> Presumably it's related to something of interest (torque etc.), so what is
> the relationship of that to the voltage?

I am doing a voltage regulator for a motor, hoping to maintain the voltage
at 115V or whatever set by the user. It seems that the RMS value is a
familiar one that the user can identify with.


----- Original Message -----
From: "Spehro Pefhany" <speff@INTERLOG.COM>
To: <PICLIST@MITVMA.MIT.EDU>
Sent: Wednesday, February 27, 2002 12:50 PM
Subject: Re: [pic] Math Question - Measuring AC Voltage


> At 12:25 PM 2/27/02 -0500, you wrote:
>
> >I am trying to measure the voltage across a motor. The waveform is AC
line
> >and supposed to be sinusoidal; but it could be distorted if it is from a
bad
> >generator. In that case, I am not sure if RMS is the best measurement.
Any
> >ideas?
>
>
> But, why are you measuring the voltage?  What are you doing with the
number?
> Presumably it's related to something of interest (torque etc.), so what is
> the relationship of that to the voltage?
>
> Best regards,
>
> Spehro Pefhany --"it's the network..."            "The Journey is the
reward"
> speff@interlog.com             Info for manufacturers:
http://www.trexon.com
> Embedded software/hardware/analog  Info for designers:
http://www.speff.com
> 9/11 United we Stand
>
> --
> http://www.piclist.com hint: The list server can filter out subtopics
> (like ads or off topics) for you. See http://www.piclist.com/#topics
>
>
>

--
http://www.piclist.com hint: The list server can filter out subtopics
(like ads or off topics) for you. See http://www.piclist.com/#topics