To determine the size of the generator needed to power a washing machine, you'll need to consider the starting (surge) and running (continuous) power requirements of the washing machine.
Starting (Surge) Power: Washing machines typically have an initial surge in power when they start, which is higher than their continuous running power. This surge is needed to power the motor and get the machine running. It lasts only for a short duration (usually a few seconds).
Running (Continuous) Power: Once the washing machine is running, it requires a lower, continuous power to maintain its operation.
To ensure the generator can handle the starting surge, it's recommended to choose a generator with a rated wattage higher than the washing machine's starting power requirement. A generator's rated wattage represents the continuous power it can provide.
A typical top-loading washing machine may have a starting power requirement of around 1000 to 2000 watts, and its running power could be between 500 to 1000 watts. Front-loading washing machines generally have lower power requirements.
Now, if the generator you are considering has a rated wattage of 5500W, it should be more than sufficient to power a standard washing machine. It can handle the starting surge as well as provide enough continuous power during its operation.
Keep in mind that the actual power requirements of the washing machine may vary, so it's best to check the appliance's manual or look for a label on the machine itself to find the exact power specifications. When in doubt, it's better to err on the side of caution and choose a slightly more powerful generator to ensure reliable operation.