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Technical Parameters of 550KW Diesel Generator Set

Jan. 18, 2024

The 550KW diesel generator set supplied by Dingbo Power can be produced and tested strictly in accordance with the international quality standard ISO8528 (national standard GB2820-97) for diesel engines. All generator products have passed ISO9001 international quality system certification.


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Many users have requirements for the rated power, steady-state voltage adjustment frequency, excitation mode, speed regulation mode, engine speed, starting system, filtration system, smoke exhaust system, speed regulation system, diesel specification level, generator efficiency, insulation level, protection level, excitation mode, etc. when purchasing a 550KW diesel generator set. So, what are the technical parameters and performance indicators? Can diesel generator manufacturers meet these requirements? This article is explained in detail by a professional diesel generator manufacturer.


1. Rated power: ≥ 550KW (standby power ≥ 640KW), rated voltage: AC400V/230V three wire four wire system; Power factor: 0.8 (lag); Rated speed frequency: 1500rpm/50Hz;


2. Steady state voltage adjustment frequency: better than ± 1%; Transient voltage adjustment rate ≤+20-15%; Voltage recovery time ≤ 1.5S; Voltage fluctuation rate: ≤ 0.5%; Frequency adjustment rate: ≤ 5%; Frequency fluctuation rate ≤ 5S: steady-state voltage regulation rate: better than ± 0.5%;


3. Excitation method: PMG permanent magnet excitation system; Cooling method: water cooling


4. Speed regulation method: electronic speed regulation; Start method: 24V DC electric start;


5. Engine speed: 1500 rpm


6. Starting system: 24VDC DC power supply to start the motor, equipped with a charging generator;


7. Filtering system: Dry air filters, fuel filters, oil filters, air filters, and air filters are equipped with resistance indicators to guide maintenance and replacement; The fuel system is equipped with an oil-water separator;


8. Smoke exhaust system: turbocharger, equipped with smoke exhaust elbow (accessory), corrugated telescopic smoke exhaust pipe (accessory), industrial muffler (accessory);


9. Speed regulation system: electronic speed regulation; Air intake method: turbocharging and intercooling;


10. Ensure high engine control accuracy and good transient characteristics;


11. Diesel specification level: China 0 # light diesel;


12. The emissions comply with the environmental emission standards of the city where they are used or equivalent to the Euro II emission standards.


13. Generator efficiency greater than 93%; Power factor: 0.8 (lagging)


14. Insulation level of the generator: H level, capable of withstanding a temperature of 180 ℃;


15. Generator protection level: IP22;


16. Excitation method: Brushless self excitation;


17. Voltage regulation device: Adopting high-quality automatic voltage regulator (AVR) and low-frequency (low speed) step-down protection;


18. Rated voltage: AC400/230V, 50Hz;


19. Three phase four wire, neutral grounded;


20. Use 2/3 pitch winding coils to eliminate third harmonic and neutral current, suitable for nonlinear load operation.


The above are the general requirements for the configuration and performance of 550KW diesel generator sets. Some customers also have requirements for generator brands, such as 550KW Yuchai generator set, 550KW Shangchai generator set, and 550KW passive generator set. Different brands of generator sets have slight differences in structure, such as some brands have larger or smaller volumes, some brands have heavier or lighter generator sets, and some consume more fuel in terms of emissions, some energy-saving and fuel-efficient factors are the determining factors that affect the user's choice of generator sets.


Dingbo Power was founded in 1974 and is one of the earliest manufacturers of generators and diesel generator sets in China. If you want get more information, please feel free to send email to sales@dieselgeneratortech.com we will pay highly attention on your question.

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  • Tel.: +86 771 5805 269
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