The prime power of the diesel generator set is also called continuous power or long-term power. In China, the prime power is generally used to identify the diesel generator set, while in the world, the standby power, also called maximum power, is used to identify the diesel generator set. In the market, irresponsible manufacturers often introduce and sell the set with maximum power as continuous power, causing many users to misunderstand these two concepts.

In our country, diesel generator sets are nominal with prime power, i.e. continuous power. The maximum power that the generator set can use continuously within 24 hours is called continuous power. In a certain period of time, the standard is that one hour in every 12 hours can overload 10% on the basis of continuous power rate. At this time, the unit power is what we usually call maximum power, i.e. standby power, that is, If you purchase a main 400kW unit, you can run it up to 440kW in one hour within 12 hours. If you purchase a backup 400kW unit, if you don't overload it, you usually operate it at 400kW. In fact, the unit has always been in an overloaded state (because the actual rated power of the unit is only 360kW), which is very detrimental to the unit, will shorten its lifespan and cause an increase in failure rate.

1) The unit of apparent power is kVA, which is commonly used in China to express the capacity of transformers and UPS.

2) The active power is 0.8 times the apparent power, in kW, which is commonly used in power generation and consumption equipment in China.

3) The rated power of diesel generator set refers to the power that can operate continuously for 12 hours.

4) The maximum power is 1.1 times the rated power, but only one hour of use is allowed within 12 hours.

5) Economic power is 0.50.75 times of rated power, which is the output power of diesel generator set that can operate for a long time without time limit. At this power, the fuel is the most economical and the failure rate is the lowest.

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