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Monday, April 15, 2013

PORTABLE ELECTRIC GENERATOR

Portable Generators
     Even in our Electric Generation improves as compare to past decades, we still facing some problems regarding power shortage or power loss(black outs). This thing is unpredictable, unforeseen unwanted events. This sometimes occur in our most important situation or events, so the used of portable electric generators are necessary.
     Portable Generators are the most commonly used electric generators in any places and country. It is used mainly in the event of power shortage or blackouts.
    Portable electric generators are composed or one generator and one motor which is run by either a diesel or gasoline. The motor and generator is connected mechanically. Portable electric generators can either be a single phase or a three phase in construction. Single phase electric generator has only one output while three phase electric generator has 3 outputs of the same magnitude but different in phase angles. A single phase electric generator can be used with many of our appliance, except with those big machines that is used with a three phase source. A three phase electric generator can be used to run a single phase load or any appliance in our house, it is can also run a big three phase machines. Loadings in Generators vary with the its rated value of KVA(kilo-volt-ampere) or MVA(mega-volt-ampere). Remember that for the safety of the generator and your appliance you must put some allowance of 15 percent of the overall load, meaning if you have a 100KVA you must put only a load of 85KVA for safety.
The picture below is an example of a portable Electric Generator that has a frequency of 60hertz, Voltage of 220Volts and KVA Rating of 15KVA.

image:http://en.wikipedia.org

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