Electron beam sterilization

Abdullah, Nor Rul Hasma (2004) Electron beam sterilization. Masters thesis, Kolej Universiti Teknologi Tun Hussein Onn.

[img]PDF
1101Kb

Abstract

The project consists of three stages. The fust stage demonstrates, through experimental works on the highvoltage deck of electron beam accelerator unit; filament control circuit board and beam control circuit boards. In these circuit boards, an analog signal flows from low voltage sides via optical link cable to the ground and transmitted to the highvoltage side. The calibrations were made to ensure its safe operation. The second stage was to generate a new method of filament control and beam control circuit by constructing a Programmable Logic Controller (PLC) using the STEP 7- MicroIWIN32 and SIMA TIC WinCC software provided by SIEMENS AG. It is capable to operate under a highvoltage potential. It uses a PROFIBUS technology as the central connecting link for digital signal flow in the system. The advantages of the digital solution are the speed of data transmitting in both directions are faster and better signal to noise ratio (SNR) than analog solution. Finally, as the circuits in both projects were operated under a highvoltage potential, there would be a conflict with the transient voltage upon the components, equipments and cables installed in the circuits. Therefore, in the third stage, one circuit protection was created and examined to show transient voltage fault investigation methods and possible solutions. At the end, the project is attempted to expand the automation technology in highvoltage area and support future development in this area

Item Type:Thesis (Masters)
Subjects:T Technology > TK Electrical engineering. Electronics Nuclear engineering > TK7800-8360 Electronics
ID Code:1529
Deposited By:Norfauzan Md Sarwin
Deposited On:20 Apr 2011 16:16
Last Modified:29 Apr 2011 14:44

Repository Staff Only: item control page