Zobrazeno 1 - 10
of 25
pro vyhledávání: '"Napat Watjanatepin"'
Publikováno v:
IEEE Access, Vol 12, Pp 68531-68544 (2024)
Considering several space-vector modulation (SVM) methods, this study proposes SVM methods with carrier-based dipolar pulse width modulation (CBDPWM) for matrix converters. The switching patterns of well-known SVM methods are analyzed, and carrier-ba
Externí odkaz:
https://doaj.org/article/ee495d06f2964a5aa38efcba7e5fcf27
Autor:
Napat Watjanatepin, Khanittha Wannakam, Paiboon Kiatsookkanatorn, Chaiyant Boonmee, Patcharanan Sritanauthaikorn
Publikováno v:
International Journal of Electrical & Computer Engineering (2088-8708); Oct2023, Vol. 13 Issue 5, p4931-4941, 11p
Publikováno v:
Journal of Southwest Jiaotong University. 56:500-516
Plant factory artificial light (PEAL) is an attractive technology for producing high-value plants and medical-grade herbs. The PFAL research and development in Thailand are in their early stages. This article aims to design and construct the lab-scal
Publikováno v:
Journal of Southwest Jiaotong University. 56:583-594
Despite the continuous trend of an LED solar simulator development, there was little to be found in the application of a phosphor-converted natural white LED (pc-nWLED) for construction. This article reported the design and construction of an LED sol
Autor:
Napat Watjanatepin, Patcharanan Sritanauthaikorn, Chaiyant Boonmee, Paiboon Kiatsookkanatorn, Sarayoot Thongkullaphat, Suvinai Sodajaroen
Solar simulator is used to analysis characteristic of the solar cells. The nonuniformity is its major performance. The traditional non-uniformity measurement calls single detector method. The paper’s objective is to design and construct an array de
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::54292a11f50ef963ebdd92c95c7a0525
https://zenodo.org/record/7321823
https://zenodo.org/record/7321823
The article describes a large scale of rectangular light source design comprised of six different types of high-power light emitting diodes (LEDs). The new modular based on the LED solar simulator with the greatest size using the symmetrical LED posi
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::f5b96582a74cadd9a6a560769814756d
https://zenodo.org/record/6389608
https://zenodo.org/record/6389608
Publikováno v:
Journal of Engineering and Applied Sciences. 15:1709-1716
Autor:
Napat Watjanatepin
Publikováno v:
Journal of Engineering and Technological Sciences, Vol 52, Iss 6 (2020)
Due to the limited amount of space in urban homes, the trend of indoor gardening is growing as it is the most suitable gardening method in the specified environment; moreover, it provides the possibility of growing organic vegetables at home. This pa
Autor:
Napat Watjanatepin, Paiboon Kiatsookkanatorn, Chaiyant Boonmee, Sarayoot Thongkullaphat, Tuanjai Archevapanich, Patcharanan Sritanauthaikorn, Khanittha Wannakam
Publikováno v:
Indonesian Journal of Electrical Engineering and Computer Science. 29:147
Low-level light therapy (LLLT) uses the light of wavelength between 400–700 nm to treat acne, reduce inflammation, stimulate collagen production, and rejuvenate the facial skin. This study designed and constructed a dual-wavelength LED LLLT device
Autor:
Yeong Sik Kim, Sedong Kim, Soon-Ho Choi, Hanshik Chung, Napat Watjanatepin, Hyomin Jeong, Dong Hun Han, Jae-Hyuk Choi, Chalermpol Ruangpattanawiwat
Publikováno v:
Energy and Buildings. 177:1-11
It is well known that natural ventilation is caused by the outdoor wind velocity and the indoor-outdoor temperature difference. Generally, natural ventilation is rarely caused by one effect alone, but by the coupled form of two effects. However, only