ACTA AERONAUTICAET ASTRONAUTICA SINICA >
Modeling and analysis of aero DC generation system based on excitation current feedforward regulation
Received date: 2014-05-23
Revised date: 2014-10-13
Online published: 2014-10-21
Supported by
Funding of Jiangsu Innovation Program for Graduate Education (CXZZ13_0161); Fundamental Research Funds for the Central Universities
High-voltage direct-current (HVDC) power system has been the preferred aviation power supply because of its high efficiency, light weight and high reliability. The large capacitor in the system leads to the fact that the traditional regulating plan using PI cannot meet the requirements of the dynamic performance. For this, the excitation current feedforward (ECF) technology has been proposed in the regulators in the aircraft generation system. The mathematical model of the generation system with and without the ECF is built respectively to compare the dynamic characteristics of the system. Experimental results show that with ECF the system can respond quickly and remain stable, and the dynamic performance improves significantly in sudden change of the load in the system. This technology could be applied to other voltage regulators in the aircraft generation system.
ZHAO Yao , WANG Huizhen , ZHANG Haibo , CHEN Chen , XIAO Lan . Modeling and analysis of aero DC generation system based on excitation current feedforward regulation[J]. ACTA AERONAUTICAET ASTRONAUTICA SINICA, 2015 , 36(4) : 1230 -1239 . DOI: 10.7527/S1000-6893.2014.0287
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