Home » Public Forums » GMCnet » [GMCnet] Induction cooktop run off an inverter
| Re: [GMCnet] Induction cooktop run off an inverter [message #325078 is a reply to message #325064] |
Tue, 17 October 2017 21:23   |
johnd01
Messages: 354
Registered: July 2017
Location: Sacrameot
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The main reason to not use propane is to eliminate the propane from the
coach. The OP has an electric cooktop installed. Adding a secondary cook
method of propane would be kind of complex.
Next, a good inductive cook element gives a lot of control. One of which is
to cook a lot of things at 210F and use a lot less than max power. When I
do cook food that has water in it I cook at about 210 sometimes 215. Adding
a lot more energy just makes steam. Butter burns about 250F so if I am
cooking with butter I cook at 240F.
My PIC unit uses 630 watts to warm up if set below 275, at 275 it jumps to
1036W, at 400 it is using 1366W and at 560 F it is using 1595W
I put 32.25 oz of water in a saucepan set time for 20 min. temp. at 275F at
8 min. it was boiling so I cut it back to 210. At shutdown, it had used
250Whs.
5.95 oz of water vapor was boiled off.
If you want to fill a 6-quart pressure cooker you will need every bit of
power this unit will give and a lot of patients.
If I want to boil sooner I could have started at 570F but if I wanted to
save my RV batteries I could have set time for 25 min. and temp at 210 and
had about the same results with less energy used. Once I reduced temp. to
210 power reading fluctuated between 275 and 620W.
If you are just cooking a little something for 2 you would not have to
sacrifice the batteries.
Set time to 25 min. and temp to 210F, 32.00 0z required 200Wh and produced
4.45 Oz steam. My altitude is about 120 feet.
Question to OP, What are the power ratings on your 2 inverters? Are they
wired together in series to give you 240 volts in your coach? What do you
have for house batteries?
On Tue, Oct 17, 2017 at 4:52 PM, Jim Miller wrote:
> On Oct 17, 2017, at 7:02 PM, John Yurtinus wrote:
>
>> This is one thing I never quite got. What's the allure of an induction
> cooktop in an RV? I don't see any advantage over propane and a whole lot of
> drawbacks.
>
> Hi John,
>
> I am usually a lurker on GMCnet and only pipe up occasionally. I, too, am
> interested in the reasoning behind using any electrical cooking method in a
> GMC be it inductive or resistive - but even more so I was wondering why one
> would even consider running it from an inverter.
>
> Like solar panels and wind turbines, these inverters seem to have some
> magical Star Wars light-saber allure and end up getting used for all the
> wrong reasons. Unfortunately the EE concepts of P=IE and P=I^2R (re
> conductor loss) are usually ignored on the inverter setups and result in
> installations that are either marginal in performance or are outright
> dangerous.
>
> I guess if one has an unlimited supply of DC then drawing 12V @ 200 amps
> for a half hour while cooking dinner is OK..but why not just use propane?
> Or, if you really must have electrical cooking - start the genset for a bit?
>
> Sign me “baffled”...
> —Jim
>
> Jim Miller
> 1977 Eleganza
> 1977 Royale
> Hamilton, OH
>
>
>
>
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--
*John Phillips*
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Johnd01
John Phillips
Avion A2600 TZE064V101164
Rancho Cordova, CA (Sacramento)
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