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All Journal International Journal of Power Electronics and Drive Systems (IJPEDS) Ganendra: Majalah IPTEK Nuklir
Arthanto, Dwi Handoko
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Computer Science & IT Control & Systems Engineering Electrical & Electronics Engineering Other

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AN IMPROVEMENT OF ARJUNA 1.0 CONVEYOR SYSTEM FOR 3D IRRADIATION Saefurrochman, Saefurrochman; Purwanto, Agus Tri; Adabiah, Suhadah Rabi'atul; Sukaryono, Sukaryono; Setiaji, Galih; Arthanto, Dwi Handoko; Anggraeni, Karina; Rachmawati, Isti Dian; Dwiatmaja, Agus; Wijono, Wijono; Nuraini, Elin; Andriyanti, Wiwien; Darsono, Darsono; Adjie, Andreas Bimo Putro
GANENDRA Majalah IPTEK Nuklir Volume 26 Nomor 1, 2023
Publisher : Website

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55981/gnd.2023.6826

Abstract

An improved design of the conveyor system of Arjuna 1.0 electron accelerator for 3D object irradiation has been done. The penetration of low energy electrons is less than 1 cm in the surface, causing a challenge for the irradiation process for sterilization of 3D objects. We design a conveyor that can be rotated 360o to irradiate objects evenly. The dimension of this conveyor is 1750 x 600 x 800 mm and the maximum diameter of the object is 7 cm. Based on the Frame Bending Stress analysis to calculate the strength of the conveyor frame, it is shown that the maximum displacement is only 0.029 mm, which is very small so it will cause no disturbance to power transfer from the motor to the conveyor. The normal stress (Smax) is 3.926 MPa and the bending stress for Smax (Mx) and Smax (My), are 2.391 MPa and 3.925 MPa respectively. We also calculate the stress analysis of the 3 mm-thickness of the motor mount and found that the Von-Misses Stress, first, and third Principal Stress are 4.425 MPa, 5.01 MPa, and 1.95 MPa respectively. These results confirm that the design and the material used for the conveyor are safe because the stress is very low than the material’s yield strength which is 207 MPa. The power needed for this conveyor is 0.01724 kW, with a maximum speed is 880 rpm. The new model of 3D conveyor has been constructed and can be implemented to ARJUNA 1.0 to irradiate objects on all its surfaces
Modeling and simulation of klystron-modulator for linear accelerators in PRTA Wijono, Wijono; Arthanto, Dwi Handoko; Setiaji, Galih; Saputra, Angga Dwi; Taufik, Taufik; Harto, Andang Widi
International Journal of Power Electronics and Drive Systems (IJPEDS) Vol 16, No 3: September 2025
Publisher : Institute of Advanced Engineering and Science

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.11591/ijpeds.v16.i3.pp1822-1831

Abstract

Approximately 70% of commercial industries worldwide use electron accelerator technology for various irradiation processes. The advantages of irradiation processes compared to thermal and chemical processes are higher output levels, reduced energy consumption, less environmental pollution, and producing superior product quality and having unique characteristics that cannot be imitated by other methods. Research Center for Accelerator Technology (PRTA), BRIN, Indonesia is developing standing wave LINAC (SWL) for food irradiation applications at S-band frequencies (±2856 MHz), electron energy of 6-18 MeV, and an average beam power of 20 kW. This paper aims to model, simulate, and analyze the klystron modulator in the RF linear accelerator (LINAC). The klystron modulator is the main component of the RF LINAC, which functions to supply klystron power with the order of megawatt peak DC, so that the klystron can amplify the low-level RF signal from the RF driver into a high-power RF signal with a power of 2-6 MW peak. The klystron modulator modeling is carried out based on mathematical modeling, then simulated using LTspice to analyze the system performance of the klystron modulator. The results of the klystron modulator modeling simulation show stable system performance and dynamic response. So that it meets the specifications of the 6-18 MeV SWL LINAC being developed by PRTA-BRIN.
Co-Authors Adabiah, Suhadah Rabi'atul Adjie, Andreas Bimo Putro Andang Widiharto Angga Dwi Saputra Anggraeni, Karina Darsono Darsono Dwiatmaja, Agus Elin Nuraini Galih Setiaji Purwanto, Agus Tri Rachmawati, Isti Dian Saefurrochman Saefurrochman Sukaryono Sukaryono Taufik Taufik Wijono Wijono WIWIEN ANDRIYANTI