Method for Perfect but Fast Measurement of Energy Consumption
Method for Perfect but Fast Measurement of Energy Consumption
(OP)
Hi All,
Does anyone of you know perhaps any books or articles/resources on topic measuring (not reducing but measuring!) energy consumption for produced refrigerators? Everything I find online is only for client's side - methods how to profit and save money with reducing (after measuring) energy consumption of refrigerators - lower amount on utility bill to be paid. But what I need is different purpose - fast but accurate method how to measure energy consumption based on which I could prevent dispatching refrigerators that use too much energy (above maximum allowed limit) to the clients. It would be great if having listed also which parts consume what (e.g. temperature, power, lighting,...). Anyone knows any useful ebook on that topic?
Would be appreciated.
Does anyone of you know perhaps any books or articles/resources on topic measuring (not reducing but measuring!) energy consumption for produced refrigerators? Everything I find online is only for client's side - methods how to profit and save money with reducing (after measuring) energy consumption of refrigerators - lower amount on utility bill to be paid. But what I need is different purpose - fast but accurate method how to measure energy consumption based on which I could prevent dispatching refrigerators that use too much energy (above maximum allowed limit) to the clients. It would be great if having listed also which parts consume what (e.g. temperature, power, lighting,...). Anyone knows any useful ebook on that topic?
Would be appreciated.





RE: Method for Perfect but Fast Measurement of Energy Consumption
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RE: Method for Perfect but Fast Measurement of Energy Consumption
David Simpson, PE
MuleShoe Engineering
"Belief" is the acceptance of an hypotheses in the absence of data.
"Prejudice" is having an opinion not supported by the preponderance of the data.
"Knowledge" is only found through the accumulation and analysis of data.
The plural of anecdote is not "data"
RE: Method for Perfect but Fast Measurement of Energy Consumption
For tons more, put this in Google: basics of electrical power measurement
Then, shop for an off-the-shelf power meter. There are tons, and you can learn a lot from their data sheets.
Disclosure: I work as a consultant for Kele, Inc. and was employed there for many years. Products are available from many suppliers, so feel free to shop. Some sources of fixed-in-place meters are shown. Any could be used as a bench test meter to give instantaneous power and accumulated energy use.
http://www.kele.com/power-monitoring-and-protectio...
http://www.veris.com/
http://wattnode.com/
Any of those would fulfill your purposes I think. If you'd rather have a bench or portable power meter, there are many to choose from as well.
http://www.amprobe.com/Amprobe/usen/Clamp-Meters/I...
Best to you,
Goober Dave
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RE: Method for Perfect but Fast Measurement of Energy Consumption
DrWeig the following question is asked on assumption that you also have experiences (from quality/measurings aspect) in other refrigerator's parameters and not just electricity: You said you work as consultant. Do you offer any such services, can be paid also, online also via email/skype? If I could I would send you on email brief description of what it is all about.
RE: Method for Perfect but Fast Measurement of Energy Consumption
Unfortunately, my current consultant contract does not permit me to help you other than in this forum. Thank you for the offer, though. In general, eng-tips is not a place to solicit a consultant. Some members have a link within their signatures that may allow you to find them outside of eng-tips. Those who don't usually prefer to remain anonymous.
It sounds like you are interested in all aspects of the refrigerator. Most of what you want to evaluate is heat transfer and the refrigeration cycle. I suggest that you repost in the thermodynamics and heat transfer forum, and red flag this one for deletion. You will still be able to get tips on measurement there as well.
Best to you,
Goober Dave
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RE: Method for Perfect but Fast Measurement of Energy Consumption
RE: Method for Perfect but Fast Measurement of Energy Consumption
there are way to many variables. A kid standing there wondering which soda to drink leaving the door open for 5 minutes will blow away all your calculations. Look at the above. It has typical uses for many refrigerators.