What do the various powers of diesel generators represent?

1. The rated power of a diesel generating set refers to the output power for 12 hours of continuous operation in a standard environment (atmospheric pressure, relative temperature, and ambient temperature) (where overload is allowed to be 10% for 1 hour). When the unit is used continuously for more than 12 hours, its output power should be corrected to 90% of the rated power of the diesel engine.

2. Sustained power refers to the maximum power for continuous supply of power to a constant load under the agreed operational conditions and in accordance with the maintenance intervals and methods specified by the manufacturer.

3. The basic power refers to the maximum power for continuous supply of power to the variable load under the agreed operating conditions and in accordance with the manufacturer's prescribed maintenance intervals and methods for maintenance.

4. Time-limited operating power refers to the maximum power per unit of 500 hours of power supplied by the generator set under agreed operating conditions and in accordance with the maintenance intervals and methods specified by the manufacturer (up to 100% of the annual operating power running time is no more than the maximum operating time per year. 500 hours).

5. Emergency backup power refers to maintenance and maintenance performed under agreed operating conditions and in accordance with the maintenance interval and method specified by the manufacturer. When the public power grid fails or under test conditions, the generator set can run for 200 hours per year. The maximum power in the power series. The average output power allowed during a 24-hour operating cycle shall not be greater than 70% of the emergency backup power unless otherwise specified by the reciprocating internal combustion engine manufacturer.

For the same diesel engine generator set, the power rating is different, and its value is not the same. Therefore, the national standard (GB/T 2802.5-2009 "Reciprocating internal combustion engine-driven alternator" Part 5: Generator set) requires manufacturers to specify the power class before the rated power on the product nameplate, ie the beginning: COP, PRP, LTP Or ESP. This shows that it can not only reflect the actual conditions of the generator set, but also facilitate the use of the user. In the same way, the user must also pay attention to the power class marked on the generator's nameplate when selecting the unit.

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