Thread Number: 21831
Heating power in washers ( W = V * A) |
[Down to Last] |
|
Post# 343333 , Reply# 4   4/18/2009 at 13:41 (5,479 days old) by launderess (Quiet Please, There´s a Lady on Stage)   |   | |
Checkrate/Likes
 
     
At least in North America appliances modern code frowns upon appliances pulling more than 80% max of the ciruct. Thus from a 20amp/120 (or 110) circut one should not pull the full 2400 watts of power for continous and or long periods, but rather about 1920 watts. It all comes down to the wiring. If the wiring was sized a grade or two above the circut, one *may* get away with certian things. However, especially in older homes, it is not uncommon to find say a 20amp or even 30 amp fuse but the wiring was left in place for 10amps. Sooner or later pulling too much power for the wires is going to cause them to over heat/melt and cause a fire. |
Post# 343343 , Reply# 5   4/18/2009 at 15:04 (5,479 days old) by mielabor ()   |   | |
Checkrate/Likes
 
     
Diomede, is this 10A, 6KW supply a three phase 400V connection? |
Post# 343393 , Reply# 9   4/18/2009 at 18:58 (5,479 days old) by launderess (Quiet Please, There´s a Lady on Stage)   |   | |
Checkrate/Likes
 
     
|
Post# 343450 , Reply# 10   4/19/2009 at 05:29 (5,479 days old) by foraloysius (Leeuwarden, Friesland, the Netherlands)   |   | |
Checkrate/Likes
 
     
Carlo, Running a over 3000 Watts appliance on a 10 Amps connection is dangerous and would lead to a shortage due to overusing the circuit. It could cause a fire in the system, so be careful. Now to your original question, a 5600 Watts dryer on a 110 Volts circuit is simply impossible. Dryers with such a wattage all run on 220 Volts in the USA. To run such a dryer you would need a 51 Amps circuit. A bigger problems would be wires for so much power. I don't think there are thick enough wires in normal houses to handle that wattage with that voltage. You need thicker wires at 110 Volts than at 220 Volts with 5600 Watts. |
Post# 343454 , Reply# 11   4/19/2009 at 06:26 (5,479 days old) by vivalalavatrice ()   |   | |
Checkrate/Likes
 
     
SORRY!!! :(( Maths has never been my best LOL! I meant... with a 6Kw power provided you can charge until 6600W with a minimun of 30A :) Diomede |
Post# 343462 , Reply# 12   4/19/2009 at 07:33 (5,478 days old) by foraloysius (Leeuwarden, Friesland, the Netherlands)   |   | |
Checkrate/Likes
 
     
|
Post# 343623 , Reply# 17   4/19/2009 at 23:18 (5,478 days old) by combo52 (50 Year Repair Tech Beltsville,Md)   |   | |
Checkrate/Likes
 
     
|
Post# 343638 , Reply# 18   4/20/2009 at 02:01 (5,478 days old) by launderess (Quiet Please, There´s a Lady on Stage)   |   | |
Checkrate/Likes
 
     
|
Post# 343641 , Reply# 19   4/20/2009 at 02:35 (5,478 days old) by launderess (Quiet Please, There´s a Lady on Stage)   |   | |
Checkrate/Likes
 
     
There is not that much of a difference between 115/110v/120v or 220v/230v/240v. Appliances designed to run on 240v are normally quite happy on 220v or 230v. Miele sells several appliances, including their large commercial washing machines which have 240v on their electrical plate, but run just fine on USA 220v power. Multiple family dwellings (apartment buildings, and so forth), may or may not have 220v power coming into each unit, it all depends upon how things are wired from the conduit to the building's main panel and on up to the circuit breaker or fuse box for each unit. IIRC, many homes in the USA get 220v power from the electric company to their panel, where it is split into two, providing 110v power. If a circuit requires 220v power two lines in the panel are made into "one" thus giving the proper amount. Apartment buildings and other homes may have 220v power coming into the building, but it is distributed as 110v to each unit's fuse box/panel. This is where many persons wishing to install European laundry and kitchen appliances, or even anything else running on 220v power found a nasty and expensive surprise. Not only didn't their apartment have the proper power, it doesn't even come into their building. This requires major electrical work both to bring the proper power in from the street to the main panel, then wiring to bring that power up to the unit. Again, the above battle Miele fought with countless persons who wanted their appliances, but either could not or would not expend the effort and funds to have 220v power where there was none. As for the battle between gas and electric, remember not every area of the USA had the luxury of both gas and electric service. Often while there was electric service, gas was not piped to their area or street. Wanting to have such service would require the gas company to lay pipes, something they often would not do for just one customer on block, that is unless there was a pipe already running past their house. As coal was phased out for heating and hot water fuel, many homes, especially in the Northeast went to oil. This could mean electric was used for the dryer and range. There was a big fear that gas would cause one's home to "blow up", a thing some still believe. Also until recently, oil was much cheaper than natural gas in most areas of the USA. ToggleSwitch makes a good point: USA housewives by and large stopped boiling their laundry once automatic washing machines came upon the scene, while it was common to see boil washes in the UK and Europe up until rather recently. There simply wasn't a perceived need for a washing machine that heated water. Most laundry rooms, or at least the washing machine, in the USA was located near the source of hot water. This meant basements, or kitchen areas. Either way the hot water from the central tank, (which could also be on the ground floor), didn't have to travel very far. Given the vast amount of water top loaders used, even if the first gallon was cool or tepid, the balance would be hot enough. What the hot water did not take care of in terms of cleaning, stain removal and whitening, Americans added LCB, gallons of the stuff to get the job done. European homes, including apartment flats OTHO generally required eletric power in greater amounts than on this side of the pond because of several factors. First, aside from coal, there isn't that much in the way of natural resources such as petrol, aside from UK and northern countries. It is still quite common to find flats in the UK and Europe without central heating, and certianly without central hot water boilers. One installs such things when one fits out the flat. So consider there may be one, two or more hot water heaters, electric "space" heaters, perhaps the range, a washing machine, perhaps a dryer, along with everything else that ran on electric power. Right there alone you are going to have a larger power need than most American homes/flats. |
Post# 343865 , Reply# 23   4/21/2009 at 03:42 (5,477 days old) by dj-gabriele ()   |   | |
Checkrate/Likes
 
     
Help me please! I always get confused :D In the USA coexist 1- 110/115/120V for small appliances 2- 208V 3phase 3- 220/230/240 single (split) phase, hot to hot 4- 480/277V 3phase isn't it? |
Post# 343866 , Reply# 24   4/21/2009 at 03:46 (5,477 days old) by dadoes (TX, U.S. of A.)   |   | |
Checkrate/Likes
 
     
|
Post# 344059 , Reply# 27   4/22/2009 at 01:49 (5,476 days old) by launderess (Quiet Please, There´s a Lady on Stage)   |   | |
Checkrate/Likes
 
     
One must assume the reason behind most American homes having only 120v (or 110v, 115v) power is that by and large initial electric power use was for lighting, small appliances and then some major appliances such as fridges, and perhaps ranges. With most heat generating appliances such as dryers, ranges, ovens, hot water heaters, heating et all, running on gas or oil. While all electric homes were found, they often were the product of power companies and government trying to get people into "modern" living, and away from the old school way. L. |