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

Abstract: The hybrid AC-DC power supply generator f>p;Jh{2fn  
(HADPSG) system has been applied to various situations. 5^f>L2  
It provides simultaneous .AC and DC power with
5^0W
\  
minimum weight, volume and cost and maximum q'c'rN^  
flexibility to meet the special requirement of the mobile }ZvL%4jT  
power networks. In this paper the mathematical model of sEhdkN
}6  
the HADPSG system is established on the basis of the kCN9`9XI{  
multi-loop method. If the parameters of the generator QabF(}61  
and DC load don’t match, severe power oscillation in the +uv]d
D*i  
DC side will occur which will result in the system 6AZ/whn#  
breakdown. Based on a simplified version of HADPSG, Sfh\4h$H  
the mathematical model for theoretical analysis is set up. K[T?--H  
The system stability criterion is obtained by the 8b|&  
application of the Routh criterion on the local linearized Du[$6  
mathematical model. The study on the power oscillation 3&3S*1b-H  
showed the factors that determine the DC side power eCk}B$ 2  
oscillation. The quadrature axis winding and AC load &*MwKr<y  
enhance the system stability. The increase in the DC
8LR_K]\  
BhdJ/C^  

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