A Study on the Development of Digital Power Supply for Ship’s Emergency Lighting System

Lee, Sung-Geun

Journal of Navigation and Port Research 2004;28(8):667-671.
Published online October 31, 2004.

선박 비상조명용 디지털 전원장치 개발

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A Study on the Development of Digital Power Supply for Ship’s Emergency Lighting System

Sung-Geun Lee

Abstract

This paper describes an development of digital power supply for ship’s emergency lighting system(SELS). Proposed system is composed of emergency power supply system(EPSS), half bridge(HB) inverter, fluorescent lamp(FL) starting circuit and microprocessor control system. Experimental works using proposed system confirm that speedy and stable power to be supplied when main power source cut-off, compared with conventional analog type, and control input power up to 35.0[％] by adjusting pulse frequency of the HB inverter.

Key Words: ship’s emergency lighting system;emergency power sully system;half bridge inverter;fluorescent tamp

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