Switch-Mode Power Supply In The Application Of UPS

Mohd Razif, Md Razali (2006) Switch-Mode Power Supply In The Application Of UPS. Project Report. UTeM, Melaka, Malaysia. (Submitted)

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Abstract

The Switch Mode Power Supply (SMPS) has been studied and design in the application ofUninterruptible Power Supply (UPS). The converter is powered by a highvoltage main power input and low-voltage backup battery. The converter features a simple' s circuit, high efficiency, small size and low cost compared with the conventional cascade of UPS and switching power supply. 1bis converter should find applications in UPS, personal computer and other electronic devices. The methodologies of this project are as follows: (1) Appropriate model of SMPS has been chosen based on the literature review study, (2) Simulation work using the ORCAD in order to investigate the functional, characteristic and performance of the circuit design, (3) Hardware development and analysis ( 4) comparison between hardware and simulation result. From the analysis conducted, the circuit is unable to be function because of the IC SG2524N was failed to operate. The extensive study should be conducted to enhance the applicability of SMPS and its efficiency.

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