[mythtv-users] Comcast rendering my HDHR useless
k at adamski.org
Mon Nov 10 23:21:44 UTC 2008
On Mon, 2008-10-11 at 15:01 -0800, Mark Knecht wrote:
> On Mon, Nov 10, 2008 at 2:36 PM, Raymond Wagner <raymond at wagnerrp.com> wrote:
> > Wookey wrote:
> >> On 2008-11-10 15:40 -0500, Raymond Wagner wrote:
> >>> Even kWh is a meaningless term unless you give a time frame.
> >> No it's not - it's a measure of energy. It's what you buy power from
> >> the power company in. 5kWh will run a 1kW device for 5hours , a 500W
> >> device for 10 hours, a 10W device for 500 hours etc. It works for hot
> >> water and electricity and eny other energy you wish to measure.
> >> Wookey
> > For claiming the cost of operation of some device, energy usage is
> > meaningless. You must give it in terms of power (energy use per second,
> > energy user per month, energy use per billing period). You must specify
> > a time frame.
> No, Wookey's correct. kWh is the way the power company sells power and
> it is a reasonable way to determine usage costs at home. The problem
> with defining power/time period is that devices don't use constant
> amounts at all times and many devices are turned off. Understanding
> kWh values is a good way to get around that and equates nicely with
> thevalues given on my power bill.
> I use a Kill-a-watt measure to get my values. 3kWh/day for my refrigerator, etc.
You just showed that what Wookey was saying was meaningless. To use your
example saying "the refrigerator uses 3kWh" is the problem, when you add
the "/day" makes it useful. Wookey missed the time frame for the energy
More information about the mythtv-users