02038nam a2200241 a 4500 vtls000037631 KUKTEM 20251114204456.0 090610t2008 my a f m 000 0 eng d THE0006180(Local) 201905151707 aida 201107132243 VLOAD 200908141628 VLOAD 200908141601 VLOAD 200906101649 ida84 UMP TJ223.P76 K43 2008 rs Bc. Khairi Khalib Microcontroller based SMPS protection / Khairi Bin Khalib Microcontroller based SMPS protection [electronic resource] Kuantan, Pahang : UMP, 2008 87 p. : ill. ; 30 cm. + 1 computer disc Project paper (Bachelor of Electrical Engineering (Power system)) -- Universiti Malaysia Pahang - 2008 This project have 3 main objectives to achieve, first the project should be able to protect DC load equipment from over voltage from their maximum voltage value or lower voltage from their minimum value. Second it should be able to protect DC load equipment from over current form their maximum current value or lower current from their minimum value. Third the voltage and current protection value are free to set by user. Simple methodology for this project is when the protection circuit detects any high or low voltage and current from power supply output that supplied to the load, it will stop the Pulse-width modulation (PWM) signal output. Sensing circuit will detect any voltage and current alteration output from power supply. Using the PIC microcontroller (PIC 18F4550), it will control the PWM signal output. The PWM output signal can be use for the power supply switching circuit. If the PWM signal stops, the operation for the power supply also will stop. Controlling the PWM signal will ensure that we can control the power supply whether want to turn it on or off. Programmable controllers 0 0 0 1 20000 20000 2019-09-04 0 TJ223.P76 K43 2008 rs Bc. 0000037420 2019-09-04 00:00:00 1 2019-09-04 PSM 0 0 0 1 20000 20000 2019-09-04 0 CD 3274 | TJ223.P76 K43 2008 rs Bc. 0000037421 2019-09-04 00:00:00 1 2019-09-04 PSM VIRTUA40 2675 2681 VTLSSORT0080*0200*0400*0900*1000*2450*2460*2600*3000*5020*5200*6500*9992