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Analysis, Design and Simulation of RC Passive Damping Network in a Simple Distributed DC Power System using PSpice

Awang Jusoh, and Zainal Salam, and Lim, Aik Jin, (2007) Analysis, Design and Simulation of RC Passive Damping Network in a Simple Distributed DC Power System using PSpice. Elektrika Journal of Electrical Engineering, 9 (1). pp. 14-18. ISSN 01284428

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Official URL: http://fke.utm.my/elektrika/june07/paper3june07.pdf

Affiliations

Universiti Teknologi Malaysia, Faculty of Electrical Engineering

Abstract

The sub-system interaction and instability phenomena are a common problem in the Distributed Power System (DPS). In order to regulate the output voltage or the speed, the internal control function of a converter known as constant power load (CPL) results in the converter tends to draw a constant power. This phenomenon cause the input impedance of CPL has negative incremental input impedance, which tends to create instability as it is connected to a system. This paper concerns about the compensation method used to improve the stability of two or more connected subsystems, consisting of an L-C filter and a CPL. A compensation method known as passive damping network containing only RC components is examined purposely to eliminate and reduce the instability of the subsystem. The passive damping network was designed and simulated using PSpice. The results show that the designed passive damping network is suitable for small-scale power distribution system that contains constant power load with power level of 1 kW.

Item Type:Journal
Keywords:Constant power load, DC-DC converter, Passive damping circuit.
Subjects:T Technology, Engineering
ID Code:2475

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[2] W.A. Tabisz, Milan M. Jovanovic , F.C. Lee , “Present and Future of Distributed Power Systems,” IEEE Applied Power Electronics Conference, APEC’92, pp.11-18, Feb.1992.

[3] Jusoh, A, “The instability Effect of Constant Power Loads”. IEEE National Power and Energy Conference, PECon 04, Kuala Lumpur, 175-179, 2004.

[4] M. Alfayyoumi, A.H. Nayfeh, and D. Borojevic, “Input Filter Interactions in DC-DC Switching Regulators,” IEEE Power Electronic Specialists Conference, PESC’99, Vol. 2, pp. 926-932, 1999.

[5] R.B. Ridley, B.H. Cho, F. C. Lee, “Analysis and Interpretation of Loop Gains of Multiloop-Controlled Switching Regulators,” IEEE Transaction on Power Electronics, Vol. 3, No. 4, pp.489-498, Oct. 1988.

[6] S. Chandrasekaran, D.K. Lindner and D. Boroyevich, “Analysis of Subsystem Integration in Aircraft Power Distribution System,” IEEE International Symposium on Circuits & Systems, ISCAS’99, Vol. 5, pp. 82-85, May 1999.

[7] R.D. Middlebrook, “Input Filter Considerations in Design and Application of Switching Regulators,” IEEE Proceeding on Industry Application Society Annual Meeting, pp. 11-14, October 1976.

[8] A.M. Cross, A.J. Forsyth, D.R. Trainer and N. Baydar, “Simulation of Power Quality Issues in MEA Actuator Supplies,” EPE Power Electronics Conference, paper no. 183, Sept 2003.

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