Design of Frequency Control System for Centrifuge in Multi-Parameter Combined Environmental Testing Device

Zuo Chao Rong; Wen He; Run Jie Shen

doi:10.4028/www.scientific.net/AMR.139-141.1817

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 139-141Design of Frequency Control System for Centrifuge...

Design of Frequency Control System for Centrifuge in Multi-Parameter Combined Environmental Testing Device

Abstract:

In the centrifuge of the multi-parameter combined environmental testing device, the three-phase induction motor could not be started directly at the frequency of 50Hz due to the large moment of inertia of the centrifuge rotor. Therefore, large torque output of the three-phase induction motor was required at low frequencies. And the specimen needed stepless rotational speed adjustment (40-130r/min). A set of frequency control system was developed based on vector control with PG, inverter and LabVIEW to solve these problems. The principle of the centrifuge was present. The principles of vector control with PG of three-phase induction motor were analyzed. Based on the mechanical characteristic of three-phase induction motor, vector control with PG was employed in the system. The system control software based on LabVIEW was presented, which realized stepless speed adjustment of the centrifuge on a computer. Experimental results show that the developed system could realize the stepless regulation of the specimen’s centrifugal acceleration.

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Periodical:

Advanced Materials Research (Volumes 139-141)

Pages:

1817-1821

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.139-141.1817

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Online since:

October 2010

Authors:

Zuo Chao Rong, Wen He, Run Jie Shen

Keywords:

Centrifuge, Inverter, LabVIEW, Vector Control (VC)

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References

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