Advice: Electric vs Induction
cnmng30
10 years ago
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Golden David
10 years agosjhockeyfan325
10 years agoRelated Discussions
Induction vs. Radiant vs Hybrid? Are these features all the same?
Comments (10)tracee asks: "So what is the story with all these fancy terms? Does radiant + hybrid = induction? OR are these all different features?" They are different. Wood fires, gas/propane burners, and electric (coil) burners ALL use energy sources to create HEAT at the cooktop/range surface, then transfer the energy in the form of heat to the pot or pan by CONDUCTION. To a minor extent, gas/propane burners and, to a greater extent, ribbon radiant burners, use energy sources to create HEAT at the cooktop/range surface, then transfer the energy in the form of heat to the pot or pan by RADIATION. The difference: hold your hand six or eight inches above an "on" electric (coil or radiant) burner; you will receive heat energy in the form of radiation, and it will be hot, but bearable in the short term. Put your hand (don't: imagine it, instead) onto the electric coil or the Ceran surface of a ribbon radiant burner, and your flesh would immediately be seared from the heat of conduction. Induction uses electricity to create a rapidly reversing magnetic field, not heat. When a pot or pan made of magnetic material is placed in that magnetic field, heat is created IN THE POT OR PAN by friction between molecules inside the material of the pot. The cooktop/range does not generate heat on its own, but some heat from the pot or pan gets transmitted FROM the pot or pan TO the Ceran cooktop by conduction, just as your wood table gets hot when you put a hot pot onto it. The term hybrid is sometimes applied to cooktops/ranges where some of the burners generate heat (ribbon radiant) and some of the burners are induction. We formerly had one of those. In practice, we never used the ribbon radiant burners except when the induction burners all were already occupied. Once one has used induction to cook, it is very, very rare that one voluntarily uses another method....See Moreupdate on my 40 vs. 50 amp, induction vs. gas range dilemma
Comments (4)Hey, that's great! I am also springing for the upgraded electrical for an induction cooktop. Based on my use of a portable unit while we are sans kitchen, I think it's a great decision!...See MoreGas vs electric ranges--had never considered electric, but now...
Comments (43)Another take on the induction question with a little sprinkle of humor. https://www.eevblog.com/forum/chat/induction-cooking-emf-magnitude-vs-other-things-missus-is-a-bit-concerned/ Tim says, Ugh... If she's worried about cancer... dump her now? There's no convincing someone like that, to understand statistics and significance. At least that I've heard of. If you're looking for the opinion of an EE, I would gladly give you my opinion on the subject -- if you'd like it in writing, I can even sell your wife a certificate saying as much! Maybe that wouldn't help. I don't know. What are we talking about, anyway? Cooktops aren't always-on. They're either off until turned on, or pulsing infrequently to check if a pot is present. The RMS EMF at the surface is not very large either way, when not actively heating something. When heating, it's only large under the work being heated. EMF drops off rapidly with distance. If your wife is so strange that she finds it enjoyable to read books while laying over the cooktop, I might be concerned, but only for mental health reasons, not for EMF reasons. Or if shoving her head towards a pot that's being heated, I would be more concerned for safety reasons, and then mental health reasons... There are biological effects of EMF, but not at these field strengths. Not by orders of magnitude. The primary effect is simply dumb old heating. Diathermy machines, microwave ovens, and the military's ADS, operate on this mechanism. There is no biological effect beyond heating (obviously, too much heat and you cause burns, but that's not unique to EMF). Strong pulsed fields can induce voltages in neural tissue (transcranial magnetic stimulation), which do have direct neural effects, but these are temporary. Anything that produces fields with too little energy to cause noticeable heating, or pulse peaks strong enough to cause noticeable induction, is completely and utterly inconsequential. Example: ESD can have quite large (peak) EMF, but is over very quickly, and delivers very little energy (on a human scale). (Anyway, sparks are well known to cause people to involuntarily jump or twitch. But again, that's just a neural stimulation thing, nothing more.)...See MoreInduction cooktop owners: Instahot boiling water faucet vs Induction.
Comments (10)I no longer have an instant hot water dispenser but had one in my previous kitchen. It did not produce boiling water - it produced very hot water. I liked having it and would have one again. It's handy for many things other starting with hotter water to boil. I never used it for large quantity boiling - just a cup or two in a glass cup the microwave. Granted it's not a necessity but I used mine to make an individual cup of pour over coffee - heat to boiling in microwave in seconds vs. minutes, instant hot chocolate (no microwave heating required), quickly cleaning stuff off utensils and dishes, etc. In my case I much preferred being able to heat a quick glass cup of hot water vs. using a pan on the cook top. I think an instant hot water dispenser and an induction cook top serve two entirely different purposes. Whether or not you'd like to have an instant hot water dispenser depends on what you planned to do with it and how important that function is to you. If you were planning to use it to produce boiling water then I'd say skip it as they don't do that....See Morecnmng30
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