Can You Parallel Two Different Size Generators?

Paralleling two generators means that two generators will be connected parallel to each other to double the power output. This is needed when you need to run something that requires more power than what a single generator can offer. Generally, it is easier to have generators with the same power or belong to the same brand.

If the generator you are using is capable of paralleling, then the process becomes much easier. However, if your inverter generator does not have this capability, it can become a slightly complicated process. Before you know how to parallel two different sized generators, you need to have the right parallel kit and wires.

Can Two Non-Inverter Generators Be Paralleled?

Yes, you can parallel two non-inverter generators technically. For this, you would require a voltmeter and a tiebreaker. You will require to sync these generators and phase match them to run them parallel. However, the process is very complicated, does not give 100% power output, and could lead to generator damage.

Since these generators’ waveforms might not match, they will not sync and will lead to the overloading of the connected generator. It is better to parallel to the inverter generator since the sync and frequency match with each other.

If the generators’ size is not the same, then the process could still work, but it is not as easy. In such a scenario, you need to see that both the generators have the same frequency and voltage. If there is a difference in these factors as well, then it could lead to several issues.

Connecting Generators in Parallel

As already mentioned, paralleling generators work better if they are of the same brand or the same output. However, this does not mean that you cannot parallel generators that are not of the same size.

Using either parallel cable or parallel kit works for this process, but the latter is much easier to handle and needs no major experience. There are sis leads n the kit in which there are two ground connectors and four power connectors.

The parallel kit might have a manual where the instructions for the process will be defined. Make sure that the process is followed properly so that there are no power-related issues. You will need to connect the generator with the ground ports.

If there are minus plus signs in the generator’s parallel port, you need to connect them properly, following the manual’s instructions. Once you have done this, you need not stay and monitor the power output of the generators.

If both the generators are parallel capable, then the power production will be automatically increased and decreased. The main issue is that you will not find too many generators that have the parallel capability. However, mostly this feature is found in small and medium models.

Load Sharing When Paralleling Two Different Size Generators

The load sharing between the two different size generators is equal after being connected. Since the parallel kit you use will be monitoring the load sharing, it will always stay equal. No matter which appliance is being powered, there will be no uneven load sharing.

If there is an increase in the power demand, both generators will increase their power output equally. This ensures that one system does not get overloaded and becomes unstable in the process.

Summing Up

You can parallel two different size generators, but there needs to some same features. For starters, the generators should have equal voltage and frequency so that the load sharing is equal. Moreover, these generators’ kilowatt capacity should also be the same so that there is no overload on one system.

Once these issues are addressed, you can easily parallel two different size generators.

PowerSmart Generator


Manufacturer: Amerisun Inc.
Part Number: ‎PS5025
Item Weight: 42.5 pounds
Product Dimensions: 21 x 20 x 14 inches
Style: 2200 Watts
Power Source: Gasoline-Powered
Wattage: 2200 watts

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