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Generator had been running for 3 hours with a/c and refrigerator and lights (on concession trailer)when we experienced a loss

In power. The lights dimmed and a/c and refrigerator stopped. Meter was showing 120 volts output and all breakers looked good on control panel. Shut down generator, let it rest for about 3 hrs. Restarted, everything ran fine for about 5 minutes when the same problem happened. Any ideas of what the problem can be?

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The unit has gone into over load
The total power requirement has exceed the output of the generator
for example if the generator is a 2.500 kw or kva then it will generate well at 1.8 kva or kw but it will not run forever at 2.5 kva -kw
When a ac is running the power requirement will be constant on the generator and with the fridge as well then the load will be at the maximum out put of the unit.
when the fridge starts again the extra load will exceed the max out put of the generator and it will slow down ( lights dimming ) and eventually go into overload mode
have an accredited electrician calculate your maximum load requirement for an external power supply and then get a unit that is at least 15.. kva kw better that required
generally fridges use 1000watts , ac conditions will draw over 3000watts and any thing else adds up . I am guessing that your generator is only 2500 unit

Posted on Apr 13, 2015

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