Study Of Dc Bus Instability With Constant Power Load

Mohd Faqrul Lazzi, Zarin (2012) Study Of Dc Bus Instability With Constant Power Load. Project Report. UTeM, Melaka, Malaysia. (Submitted)

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Abstract

Many applications of DC supply have been used in Distributed Power system. For instance aircraft, spacecraft and electric vehicle were using this kind of system. Unfortunately, this system has instability effect on the DC bus because of interconnection of DC bus and converters such as DC-DC converter with constant power load (CPL). The project is to study about CPL that make instability effect to the system and one method to eliminate or reduce it by using damping network. This project is limited by using the DC supply as a source and damping network as a method to eliminate or reduce the instability. Pspice software will be used to modeling the CPL and MATLAB software use to know the stability condition of RC passive damping and to simulate close loop buck converter. Then, hardware development will be build according to the calculation design. The performances from simulation and hardware will be analyzed. Result shows with addition of damping network DC bus will stable.

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