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

Abstract: The hybrid AC-DC power supply generator Eid~4a  
(HADPSG) system has been applied to various situations. "CT`]:GGK  
It provides simultaneous .AC and DC power with /%^^hr  
minimum weight, volume and cost and maximum FwSV \N+#'  
flexibility to meet the special requirement of the mobile EO.}{1m=hx  
power networks. In this paper the mathematical model of NEM
C  
the HADPSG system is established on the basis of the <
dhBO  
multi-loop method. If the parameters of the generator k$K>ml/h  
and DC load don’t match, severe power oscillation in the 771r(X?Fa  
DC side will occur which will result in the system U| 1&=8l
 
breakdown. Based on a simplified version of HADPSG, cNRe>  
the mathematical model for theoretical analysis is set up. yi1V\8DC  
The system stability criterion is obtained by the V^p XbDRl  
application of the Routh criterion on the local linearized .*w3ryQ  
mathematical model. The study on the power oscillation /\uW[
mt  
showed the factors that determine the DC side power QcDtZg\  
oscillation. The quadrature axis winding and AC load WPNvZg9*c  
enhance the system stability. The increase in the DC
Fm.IRu<\`  
Fk
IT/H  

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