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Your question is confusing. First off a battery charger puts out DC voltage not AC. If you are asking if you can run a 120 volt battery charger on a 220 volt circuit the answer is no you cannot. That would destroy the charger.
It is not hard. 220VAC is standard and common for house hold and residential applications in India.
to calculate the cable size of a run of 30 meters long you first will have to know the current of the appliance use the voltage drop formula V d = (mVxIxL)/1000 once the voltage drop is less than 2.5% of the nominal voltage, the cable should be upsize.
can a 500 watt solar panel run a 500 watt appliance with 2 102 amp deep cycle batteries
some kinds of microwaves
Yes, if the appliance was designed to run on 210 to 240 volts.
there should be a sticker somewhere on your appliances, usually on the back or the bottom, showing the volt and wattage requirement of that appliance. just add up the appliance requirement on each appliance that you need to run without going over what your generator is rated in output. any appliance repair technician should be able to help you with this.
No. You need a 3-phase supply that matches the voltage and current rating of your appliance.
Different appliances have different wattage draws. Without knowing the wattage of the appliance, an answer can not be given.
Duck Run Cable Suspension Bridge was created in 1922.
The voltage isn't a problem, you can run 220 from your house and use that to run a European appliance, the problem is whether the appliance is dependant on line HZ. European is 50HZ and US is 60HZ. If the appliance specifies 220/50HZ, it will probably give you trouble here. If it says 220V/50 or 60HZ