[其它]Research on the power oscillation of hybrid AC-DC power supply generator system

Abstract: The hybrid AC-DC power supply generator x[^A9  
(HADPSG) system has been applied to various situations. C[&&.w8Pm  
It provides simultaneous .AC and DC power with c_
a$g  
minimum weight, volume and cost and maximum d,+n,;6Cf  
flexibility to meet the special requirement of the mobile R39R$\  
power networks. In this paper the mathematical model of \
mu9ikZ<  
the HADPSG system is established on the basis of the ipp_?5TL  
multi-loop method. If the parameters of the generator qtH&]Suu,  
and DC load don’t match, severe power oscillation in the d$,i?d,  
DC side will occur which will result in the system 
=U2Te  
breakdown. Based on a simplified version of HADPSG, ,"VQ0Z1  
the mathematical model for theoretical analysis is set up. omA*XXUx=8  
The system stability criterion is obtained by the .M{[J]H`t  
application of the Routh criterion on the local linearized :{ T#M$T  
mathematical model. The study on the power oscillation E\*",MGL  
showed the factors that determine the DC side power ZAH<!@qh  
oscillation. The quadrature axis winding and AC load Mqtp}<*@-  
enhance the system stability. The increase in the DC
YPy))>Q>cK  
Wkk Nyg,  

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