Suksawat, Dusit

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Suksawat, Dusit
Alternative Name
Suksawat, D.
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Email
dusit.su@kmitl.ac.th

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    Item type:Publication,
    Design and Installation of Passive Power Filter for Grid-connected Solar Rooftop Applications at Industrial Plants
    (2019-05-15)
    Boonseng, C.
    ;
    Rapeepornpat, B.
    ;
    Suksawat, D.
    ;
    Nilnimitr, N.
    ;
    Inwanna, W.
    This paper presents a study of harmonic filters design to minimize harmonic distortion caused by a harmonic source such as ac drives and solar rooftop inverters. To avoid a problem caused by the harmonics which is produced from ac drives and solar inverters, the Passive Power Filters System (PPFs) are presented. The analysis includes the basic principles, the KMITL Program and economic aspects of the harmonic filter design. The major objectives in the study are to improve the power factor, to reduce current and voltage distortion and to reduce resonance problems at a system. Practically, it is ensured that the PPFs is the best solution applied for grid-connected system. The results show that the 5th harmonic filters are a very appropriate solution for most typical harmonic problems.
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    Design and control of DC microgrids (DCMG) systems for improving reliability and stability of data centers
    (2019-07-01)
    Boonseng, C.
    ;
    Suksawat, D.
    ;
    Kularbphettong, K.
    Distribution systems that depended on de voltages which do not have reactive power loading the lines do not need to synchronize the grid frequency and the equivalent resistance in the conductor tends to be slightly smaller. Therefore, the systems intrinsically tend to become simpler and more efficient. Microgrids and dc distribution systems applied to data centers bring a potentially higher efficiency improvement, due to the penetration of dc-based loads. The paper also examines the ability of a DC microgrid to facilitate provide high degrees of critical load availability. Relation and transfer power between grid, diesel generator and battery are presented. Using PLC and HMI helps to control the switching conditions. In order to be able to maintain the constant voltage at the DC bus at all times, without stopping to disappear or collapse.