Selection and Application of Diesel Generator Sets in Data Center Industry ①
2026-08-03
Power selection
The power selection of the generator set should be based on the actual operating conditions. The power selection of diesel generator sets has a very important impact on the investment and guarantee of power supply of data centers. Different users can select the suitable power of the generator set according to different needs, which provides greater flexibility.
As an important standard applied in the diesel generator set industry, ISO8258-1 and GB/T2820-1 define four power types of diesel generator sets. Because the power definition given is based on four different operating conditions, the operating conditions are not exactly the same as the data center load conditions. The owner needs to make a choice in accordance with the characteristics of the data center.
| Operating mode | Power determination | Note |
| Constant load, continuous operation | Continuous Power (COP) | Constant power supply all year round |
| Variable load, continuous operation | Prime Power (PRP) | In the absence of a city power grid or its unreliable operation |
| Constant load, time-limited operation | Time limited power (LTP) | Operating in parallel with the city grid for peak regulation |
| Variable load, time-limited operation | Emergency Standby Power (ESP) | Ensuring basic needs during a city power failure |
DCC (Data Center Continuous) is an uninterruptible power supply suitable for data center use, proposed with data center operational characteristics in mind, which provides critical value for investment and data center operation management. DCC Data Center Continuous Power has been validated by Uptime and can be used for Tier III and Tier IV uptime certification.
Key to choosing a generator set
The engine provides sufficient power for the diesel generator set, and the choice of engine is the most important part in choosing a unit.
Essential: Provide sufficient power to dynamically respond to load changes.
Due to the complexity of designing and manufacturing heavy-duty diesel engines, diesel engines produced by different manufacturers will vary greatly from one another. An important factor is the ability of the engine to provide sufficient power, and secondly, the dynamic effect of the engine on load changes is also an important technical indicator.
Trend: Powerful power generation platforms can reduce the load on data centers and improve their efficiency.
With the advancement of science and technology, we continue to invest in and focus on the development of high-power generator sets. In the challenging operating environment of data centers, the use of high-power units can significantly reduce the number of parallel running generator sets, thereby significantly saving valuable computer room space and reducing land and auxiliary equipment costs. At the same time, reducing the number of generator sets also means significantly reducing potential points of failure, which helps improve the reliability and availability of the power plant backup system as a whole and provides reliable power supply guarantee for continuous and stable operation data center.
Four key factors when choosing a generator set:
● Meet the requirements and deliver the required power；
● Has good dynamic characteristics - the ability to load in one step；
● EFI engine - improved performance；
● We have extensive application experience and a large number of application examples.
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