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What size generator do you need to run 19100 watts

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You need as lead 20KW. But considering the start current and voltage, a 25KW genset might be good.

Posted on Mar 11, 2019

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If you're talking RESISTIVE (like incandescent light bulbs and radiant electric heaters), then you need about a 20KW generator. If you're talking REACTIVE (like electric motors and fluorescent lights), then you need a 40KW to 100KW generator - higher if you're starting all the motors at once, lower if you're stage-starting the motors. If you're talking about a mix of resistive and reactive loads, then you'll need something between 20KW and 100KW depending upon the mix.

If you're talking about MAXIMUM 19100W but realistically only a small part of that load is actually likely to be required at any given moment, then you can use a much smaller generator. For example, my own house has a 100A 240V breaker panel, for a total capacity of 24KW. I can realistically run what I REQUIRE from a 3.5KW generator, though, by intelligent load switching.

Posted on Jul 27, 2014

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SOURCE: Onan Portable Generator - 5000 , Model# 6500: I have china generator capacity is 2700 watts but ...

Alternately,



• Turn-off all lights first.

Run your pump or water start motor.



• When the motor is running,

Turn on the lights , one at a time.

Posted on Jul 30, 2012

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Generator will run, wont output electricity


You really didn't provide much info to work with - Knowing the make & model & size (as well as its age) would be helpful. Also is it new or have you had it for a while? What test equipment do you have? In other words, what are you using to determine if it is putting out electricity? Has it ever worked? All generators have individual circuit breakers, so try resetting those. If they trip-out immediately then disconnect the generator from the load. reset the circuit breaker(s) again & recheck the output some other way, such as by connecting a table lamp to it. If that works, then consider the possibility that your generator may be too small for the load that you're trying to connect to it. For example, a 2000 watt generator is good for a working load of 1000 watts but is too small for a 2000 watt load. If this is your first experience with a generator, check out the web site www.electricgenerators.com and refer to their sizing charts. Lots of good info there.

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What size generator do I need to run my Kenmore refrigerator model 253.68802011


A 3Kw generator will power most refrigerators unless you add too many other devices to the circuit. There is a surge of electricity needed at start-up of any compressor.

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Onan 5500 marqui gen set stumbles on demand


Steve,

The microwave alone shouldn't cause a problem for the generator as even the most powerful models run about 1200 watts or about 10 amps. An air conditioner on the other hand, can draw considerably more power to run depending on BTU size; 15 amps and up is not uncommon (and even twice as much as that though only briefly when starting).

If these were the only things connected and on, the generator should be able to handle them - again depending on the BTU size of the AC unit. Generators state their capacity in Watts, but must of the devices we connect are in Amps. Calculating Watts in an AC circuit is complicated, but pretty close to the much easier Watts in a DC circuit for most residential settings. Here's how it's done:

Watts = volts x amps. Pretty simple stuff. Your generator is rated at 5500 watts. The microwave is say, 120 volts / 10 amps - which equals 1200 watts. The generator has 4300 capacity available now. Suppose your air conditioner is rated at 120 volts / 15 amps - which equals 1800 watts. 4300watts - 1800watts = 2400watts capacity is left. But, the starting current for the AC is as much as 25 amps for a few seconds (and once started drops back to 15 amps) - which means there's only 1200 watts capacity left. Add up the rest of the appliances you're running at the same time (TV set, Cable / Satellite box, stereo, toaster, lights, computer, etc.- you get the idea), and you can see how you might have exceeded the 5500 watts capacity of the generator for a few seconds. It's at these times that your hear / see the generator speed falter and sputter, lights dim, etc.. If this is happening a lot, you may need a larger or additional generator.

I hope this helps and good luck!

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My g5501r stopped generating,engine runs fine,everything on but no electricity


There is at least one and possible two fuses and one most likely has failed. You need to remove the blow fuse and replace it. Mine were the size of two D sized batteries put together. I have a generak 10k and I experience same problem. I purchased two new fuses and all is well.

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I live in hurricane ally and was wanting to run a dorm size fridge and some fans if needed, will a 3750 accomplish this?


you wil need at least twice the watts to start your fridge if you dont the compeser wont start and it will burn out just check the watts on the fridge good luck

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1 Answer

I am interested in a generator that can light a 3-bedroom hse and a chauff cutter


Your cutter machine may use more power than your whole house depending on the size of motor. A one horsepower motor 115v will use about 3000 watts to start and about 1000watts to run. To estimate how much power you need, add up all the watts that you will use at home and add to that estimated wattage of the cutter motor (motor will use 3x rated wattage to start plus loss of power thru the extension cord). Buy a generator that will give you needed power and still have a 25 percent reserve. If you need 2000 watts on a continued basis, the 2800 watt may be good, however I would be more comfortable with a 3500 watt if the price was right because of the cutter machine. I would consider converting the cutter to gas power and buy a smaller generator to save on gas since you will be most likely running the generator far longer to power the house. Good luck

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Just paid over 1,500 last year an has not rungood since. starts up real good, but once aair is turned on it stops running, or it might run one air at times. on my way back to michigan an not a happy...


This generator is a 5KW model. This means it can supply up to 5000 watts of power, total. Not all devices list the watts they need to be provided - instead these devices list the power they need as volts and amps. This can make it hard to determine what the actual watt requirements are for the device.

Overly simplified, watts is equal volts times amps (watts = volts x amps). A single 120 volt light bulb that uses .833 amps consumes 100 watts. If you checked a regular 100 watt light bulb with an ammeter, you'd find it does indeed draw .833 amps.

Working the formula a different way, we can learn how many amps this 5000 watt generator can supply at 120 volts, too. If all the loads you need to connect to this generator are 120 volt types, that means the total amount of amps the generator can supply is 5000 watts / 120 volts = 41 amps purely resistive loads (like a toaster or light bulb) maximum under ideal conditions. There is never a time when ideal actually happens, and not all loads are purely resistive - many are inductive. Inductive loads are motors (like your A/C), fluorescent lamps, computer power supplies, etc. - so figure more like around 30 amps total instead.

If you try to connect devices that require more than 30 - 35 amps, the generator will probably have problems trying to supply this load for any longer that a short length of time. Additionally, motors like those in A/C compressors draw significantly more power when first starting and can cause the problem you are describing. Try running the generator with loads other then the A/C to see how well it can supply the load(s). Or try running only 1 A/C unit and other non-A/C loads.

What I'm trying to tell you is that you may need to do some active load management to be sure that you aren't trying to get more power out of the generator than it is capable of supplying. You may need additional generators or swap this one to a larger size to handle the load properly and safely.

I hope this helps & good luck!

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1 Answer

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The 6 inch model takes 6 amps wich would be about 700 watt.
It's probably best to oversize your generator to about 2kva then you can use it to power lights and other power tools etc

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a 10000 due to the startup surge. also need start kits on any ac started by a generator.

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