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The rating of engine-driven generators can vary widely depending on the specific application, model, and manufacturer. In general, these generators can range from small portable units producing less than 1 kilowatt (kW) of power to large industrial generators that produce megawatts (MW) of electricity. Here’s a general classification based on power output:
1. Small Portable Generators: Typically range from about 0.5 kW to 3 kW. These are often used for camping, small tools, and emergency power for a few appliances.
2. Mid-Size Portable and Standby Generators: These can range from about 3 kW to 20 kW. They are commonly used for residential purposes, powering home essentials or the entire home in the event of a power outage.
3. Large Standby Generators: These generators offer power ratings from 20 kW to several hundred kW. They’re used in commercial settings or to power large homes or small complexes.
4. Industrial Generators: Power ratings for these generators start from a few hundred kW and can go up to several MW. Such generators are used in industrial environments, large commercial buildings, hospitals, and in scenarios where a significant amount of power is necessary.
5. Utility Scale Generators: While not typically considered under the scope of “engine-driven” as they often use turbines (steam, gas, or water), it’s worth mentioning that generators in power plants can produce hundreds of MW to meet the electricity
Answer: c
Explanation: The engine driven generators are driven by the different forms of internal combustion engine. These generators have higher speeds for higher power ratings. These generators have ratings upto 20 MW.