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  • Users: SACAN
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  1. SACAN

    Dual Voltage controller

    Thanks ScottyUK, I agree that having it manual would be the simplest, and quite likely that is the way we would go. My concern regarding it auto switching connections was because, if the operator forgets to switch it and applies the incorrect voltage it will either heat up very slowly (to the...
  2. SACAN

    Dual Voltage controller

    I am located in northen Ontario, Canada. In retrospect after re-reading my initial inquiry perhaps I was not the clearest. I am looking for a switch that can handle 2 different incoming voltages and depending on the incoming voltage, switch the connection type to the element from wye(star) to...
  3. SACAN

    Dual Voltage controller

    Can anyone point me in the right direction for a manufacturer/distributor of a wye-delta switch? My own searches have brought up motor related items, that are used for giving a motor a soft start.
  4. SACAN

    Dual Voltage controller

    Thanks for the input on this, I will do some looking into the suggestions mentioned. I had suggested a different configuration plug for a different voltage but we would rather not change our existing hardware.
  5. SACAN

    Dual Voltage controller

    Perhaps someone here can point me in the right direction here. I design electrical heating elements, and a customer has asked me if I can design an element for dual voltage use. The easy answer for this is yes as he is asking for 380V 3ph and 220V 3ph. Its fairly simple to change the...
  6. SACAN

    home heating solutions

    I get my firewood off of our land. We have several acres. Typically wood here goes for $65-80(Can) a cord. Wood stove for us makes most sense as it helps keep the property free of deadfall and nicely spaced. Due to the frequent power outages we experience it makes it preferential. There are...
  7. SACAN

    home heating solutions

    I live about 3 hours north of Toronto, Ontario. It gets quite cold here in the winter, with a considerable ammount of snow. I use a wood stove primarily. We do have electric baseboard heaters, but I never once turned them on last winter. Our home is 2200 sq ft and the stove which is an old...
  8. SACAN

    Nichrome soldering question

    Did you need to tin the lead wires first? Spot welding would work on our heavier resistance wire but I think it might be difficult with the 30g.
  9. SACAN

    Nichrome soldering question

    I am looking for input into what is the best/preffered method of soldering a nichrome resistance wire (18awg-30awg) to 18ga lead wire. Currently we use a silver solder with a boron modified solder paste. For heat we use a small oxy-acet flame torch. The nichrome is a resistance heating...
  10. SACAN

    SHOULD CONDESATE LINE BE LAREGER THEN SUPPLY?

    Anton, Thanks for the helpful links.
  11. SACAN

    SHOULD CONDESATE LINE BE LAREGER THEN SUPPLY?

    I have what I hope is a fairly simple question: Should a condesate line be larger then the supply line? I am not familiar with steam and boilers, I was told by a customer that the condesate line should be smaller then the supply line, and am curious as to hear other opinions.
  12. SACAN

    Heat transfer question: should I consider convection/pressure?

    >Conversely, if the outside surfaces of the structure are signficantly hotter than ambient temperature, you have convection Yes the machinery gets quite warm, I have never actually measured it but I would estimate the machinery surface after about 1 hour of operation to be 100F or better...
  13. SACAN

    Heat transfer question: should I consider convection/pressure?

    Thanks EdStainless, Currently this is the way I engineer heating elements... by referring to my test charts and "tweaking" the different areas in the elements to try to limit the temperature variation as much as possible. I typically use a percentage factor, but this empirical % factor can not...
  14. SACAN

    Heat transfer question: should I consider convection/pressure?

    I have been for some time trying to muddle my way through some heat transfer calculations. I would like to know if I should be considering convection in my thinking and if pressure would play a role. My application uses an element on one side of an aluminum platen .625in thick with a surface...

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