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Edge Technology: what size generator? Power select.

 
  In order to determine what size generator you need, you must establish which appliances will be operated from the generator and which of them will perhaps be operated at the same time.

If you would like assistance with choosing the correct model and what size generator, please feel free to call us, we are always happy to help. With over 16 years in the industry we will make sure that you get the right generator for your application.

Call: 01270 509296

Most electrical appliances have their current consumption
on the plate which gives model, serial number etc

Power calculators
Caravan / Motorhome
Household
 
 
 

Electric appliances have different power requirements - some products such as fridges can require up to five times their normal running power to start up - this information should be available on the manufacturers plate

If an appliance has a "resistive load" then its starting and running current is the same - TV's, cookers, hi fi's, kettles and light bulbs fall into this category.

"Universal" motors with commutators and brushes need only 5-10% in addition to there stated power consumption

However "Induction" motors with no commutator as found on fridges, vacuum cleaners, freezers and central heating pumps can have a starting current five times normal running power - this is why the plate on the appliance must be checked and if in any doubt you should check with the appliance manufacturer or his agent

Once you have established the maximum wattage requirement of each appliance you may run off the generator you should add these figures together (plus at least 10% contingency) for the appliances you wish to run simultaneously - this is the KW output you require from your generator

 

 
 
Appliance Watts
Central Heating Pump 800
Computer 400
Coffee perculator 700
Cooker - small 10000
Freezer 1000
Dishwasher 2500
Electric Blanket 150
Electric Fire - two bar 2000
Grill 1500
Fan 50
Flourescent Tube 60
Food Processor 400
Food Mixer 500
Hair Drier 1000
Iron 1000
Steam Iron 1500
Kettle 2200
 
Appliance Watts
Light Bulb 40 to 100
Microwave 1500
Photocopier 1600
Printer 400
Radio/Stereo 500
Refridgerator 700 to 1000
Sewing Machine 100
Spin Drier 400
Toaster 1000
TV 250
Fax Machine 600
Tumble Dryer 2500
Vacuum Cleaner 1200
VDU 300
Washing Machine 4000
Water Heater 3000
 

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