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Re: Something Funny Going On w/ New Electric Meter [Re: Snagglefoot] #4900352
10/19/18 01:03 PM
10/19/18 01:03 PM
Joined: Dec 2005
Posts: 11,686
Upper Midwest
kschachn Online content
kschachn  Online Content

Joined: Dec 2005
Posts: 11,686
Upper Midwest
Originally Posted by Snagglefoot
Working backaward from 51 kwhrs, the pump was on for 12 hrs/day x 14 days = 168 hrs. 51 kwhrs/ 168 hrs = 0.3 kw. 0.3 kw x 1000 w/kw = 300 watts.

P = IV. 300 watts/ 120 volts = 2.5 Amps

So, if your pump is 2.5 Amps, the measurement is correct. If you want to believe 17 kwhrs, your pump is only 2.5/3 = 0.8 Amps

Judging from the sizeable plume, I’d say your pump is 2.5 Amps, your present 51 kwhr reading is correct and you were previously getting a free ride. laugh

Nice, good work.


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Re: Something Funny Going On w/ New Electric Meter [Re: StevieC] #4900370
10/19/18 01:22 PM
10/19/18 01:22 PM
Joined: Sep 2002
Posts: 2,940
VA
Gebo Offline
Gebo  Offline

Joined: Sep 2002
Posts: 2,940
VA
Originally Posted by StevieC


They bought a monitoring device that has clamps that go around each supply wire in their main breaker panel and keeps track of the usuage so they can compare to their bills. It's pretty accurate.





Got a part number or picture? Sounds interesting...


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Re: Something Funny Going On w/ New Electric Meter [Re: LoneRanger] #4900398
10/19/18 02:03 PM
10/19/18 02:03 PM
Joined: Aug 2008
Posts: 25,014
ON, Canada eh?
StevieC Offline
StevieC  Offline

Joined: Aug 2008
Posts: 25,014
ON, Canada eh?
I'll ask them when I'm back home, still in Ohio until tomorrow.


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Re: Something Funny Going On w/ New Electric Meter [Re: Snagglefoot] #4900457
10/19/18 03:38 PM
10/19/18 03:38 PM
Joined: Jul 2007
Posts: 4,681
Midwest USA
LoneRanger Offline OP
LoneRanger  Offline OP

Joined: Jul 2007
Posts: 4,681
Midwest USA
Originally Posted by Snagglefoot

Working backaward from 51 kwhrs, the pump was on for 12 hrs/day x 14 days = 168 hrs. 51 kwhrs/ 168 hrs = 0.3 kw. 0.3 kw x 1000 w/kw = 300 watts.

P = IV. 300 watts/ 120 volts = 2.5 Amps

So, if your pump is 2.5 Amps, the measurement is correct. If you want to believe 17 kwhrs, your pump is only 2.5/3 = 0.8 Amps

Judging from the sizeable plume, I’d say your pump is 2.5 Amps, your present 51 kwhr reading is correct and you were previously getting a free ride. laugh


Go ahead and burst my bubble why don't you ... LOL

I suppose this is what could be going on. I've no idea the power rating on the Kasco, it's an older model I bought used for $100 off the developer of the subdivision (they sell new for $1499.00). It was fresh off of a repair shop service and checkup and given a clean bill of health and fresh oil (oil bath type motor and bearings). So it should be running to spec, I just don't know what the spec is. Of course, now that I've said out loud that it's running fine, it will probably [email protected] out tomorrow ...

P.S. meter is on Residential Service rate as it is on my lot and bill addresses to my house. Used to be the HOA covered bill. HOA was dissolved and so with 1/2 the pond on my lot, 1/2 on the neighbor's lot we split the operational cost.





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Re: Something Funny Going On w/ New Electric Meter [Re: Snagglefoot] #4900480
10/19/18 04:36 PM
10/19/18 04:36 PM
Joined: Aug 2003
Posts: 13,811
NE,Ohio
Rand Offline
Rand  Offline

Joined: Aug 2003
Posts: 13,811
NE,Ohio
Originally Posted by Snagglefoot
Originally Posted by kschachn
You should be able to calculate the approximate power consumption given the watts used and your timer information. At least close enough for this purpose to see which meter reading is closer.


Working backaward from 51 kwhrs, the pump was on for 12 hrs/day x 14 days = 168 hrs. 51 kwhrs/ 168 hrs = 0.3 kw. 0.3 kw x 1000 w/kw = 300 watts.

P = IV. 300 watts/ 120 volts = 2.5 Amps

So, if your pump is 2.5 Amps, the measurement is correct. If you want to believe 17 kwhrs, your pump is only 2.5/3 = 0.8 Amps

Judging from the sizeable plume, I’d say your pump is 2.5 Amps, your present 51 kwhr reading is correct and you were previously getting a free ride. laugh


That is what I am thinking.. I was doubting the motor was under 100w.

My air filter uses 155w(on high).. let alone a water pump with that size plume.


2019 Jeep Cherokee Trailhawk 2.0T
Re: Something Funny Going On w/ New Electric Meter [Re: LoneRanger] #4900574
10/19/18 07:01 PM
10/19/18 07:01 PM
Joined: Aug 2009
Posts: 3,956
Pittsburgh,PA U.S.A.
JimPghPA Offline
JimPghPA  Offline

Joined: Aug 2009
Posts: 3,956
Pittsburgh,PA U.S.A.
One of several things could be going on.

1) Single phase motors are often made very cheaply, and therefore can be very inefficient. Your motor could be one of these.

2) Meters have multipliers. Your old meter could of had the wrong multiplier, or your new meter could have the wrong multiplier. I worked for the local power company in their meter department quite a few years ago and they had a batch of meters come through that had the wrong multiplier. The multiplier the meter was built to did not match the multiplier on the written plate on the meter. That problem was not caught until those meters got out to the customers and they complained about their bills being too high. The power company had a portable test rig that one of their employees took out to the customers location and measured the usage and compared it to the meter and they found the customers meter to have the wrong multiplier. This is highly unlikely, but it did happen.


Boy will I be happy when ALL vehicles on public roads are autonomous.


JimPghPa

Re: Something Funny Going On w/ New Electric Meter [Re: LoneRanger] #5091578
04/30/19 12:12 PM
04/30/19 12:12 PM
Joined: Dec 2016
Posts: 471
Indiana
5AcresAndAFool Offline
5AcresAndAFool  Offline

Joined: Dec 2016
Posts: 471
Indiana
What kind of timer controls the pump, on an old electro-mechanical electric meter they do not see any usage below 15 watts in general.

Its possible the new meter is capturing that usage from the timer nownow, plus its likely more accurate than the the old meter.

Honest fact about electro-mechanical meters, they slow down over time, not speed up. This is due to the inherent friction of their inner workings. I have seen 30 year old meters registering less than 70 percent of actual usage.

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