Browsing Theses by Author "[email protected]"
Now showing items 1-20 of 40
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115kV Circuit breaker analysis for maintenance plan
Ruksnit, Sira; ศิระ รักสนิท; Kongsang, Rittiras; ฤทธิราช กองแสง (2023-05-31)HV power distribution system circuit breaker are important devices in substations. Such as Malfunction or deterioration of equipment with in the substation, will directing impact on the stability of the power distribution ... -
An adaptive active band-pass filter by using tachometer circuit
Sripayang, Klao; เกล้า ศรีพยางค์ (2023-03-10)This thesis presented the design and construction of an adaptive active band-pass filter by using a tachometer circuit. The main part was the multi voltage-mode filter circuit based on an operational transconductance ... -
Analysis of power quality in distribution system with wind power generator
Phromtrai, Phirasak; พีระศักดิ์ พรมไตร (2020-09-29)This Thesis presents an analysis of wind turbines in a power distribution system that has a wind power source. By comparing the wind turbine with 3 blades and 4 wind turbines while there is no distribution in the distribution ... -
Analysis of stress concentration and deformation of run-flat tires for passenger cars by finite element method
Minaboon, Poomin; ภูมินทร์ มินาบูรณ์ (2023-01-15)The research aimed to study parameters affecting the stress intensity and stress distribution as well as the deformation of run-flat tires for passenger cars using the Finite element method. Both experimental methods and ... -
Analysis of the inclination angle and thickness of the armor plate of the bullet resistant on the aluminum and stainless steel plates by finite element method
Thawornsin, Maitree; ไมตรี ถาวรสิน (2023-03-10)This thesis was an analysis of the significance of angle of inclination and the thickness of the armor plate on the penetration resistance of bullets on aluminum and stainless steel armor plates, determined by the finite ... -
Assessment of voltage sag in transmission system with distributed generation
Thongplaw, Akekawatn; เอกวัฒน์ ทองเปลว (2017-10-28)This thesis presents an assessment of voltage sags when faults are happened in the 115 kV transmission line of the Provincial Electricity Authority (PEA) when distributed generation (DG) is installed in the system. The ... -
Ceramic armor plates with composite materials
Chaimahapuk, Chaiwat; ชัยวัฒน์ ไชยมหาพฤกษ์ (2020-01-10)This research has been studied and created the ceramic armor plates with composite materials that been proceeded from drying compression process with mold. Al2O3 that use for compression forming has been analyzed by SEM ... -
The Collection of road traffic incidents in Bangkok from twitter data based on deep learning algorithm
Puangnak, Korn; กร พวงนาค (2023-04-02)The surveillance and reports on accidents for the current traffic management are carried out by viewing and inspecting CCTV footage. This method is slow to detect incidents and requires a lot of manpower. Since nowadays ... -
The combined loss reduction approach to apply in distribution system
Kritavorn, Pairat; ไพรัตน์ กรีถาวร (2021-01-31)This thesis presents the combined loss reduction approach to apply in distribution system. The thesis objective reduces the loss in the distribution system, when all voltage magnitude levels at connection points must under ... -
A comparison of electrical power of the diesel electric locomotive between measurement via the remote tracking and the load test station.
Ritthong, Natthakit; ณัฎฐกิตติ์ ฤทธิ์ทอง (2020-09-29)Rail transport is a type of transportation that strongly influences economic due to its ability to transport a large number of passengers and products per trip relying on diesel-electric engines. The objectives of this ... -
Competency developing of smart hand-on engineers for supporting sustainable industry 4.0
Kontip, Weeraya; วีรญา กรทิพย์ (2022-08-30)The objective of this research was to develop the engineering students in accordance with the Bachelor of Engineering (B.Eng.) curriculum (industrial engineering) through the work-integrated learning program, under which ... -
Design and application of a smart farm base on IOT
Lumniam, Teerachai (2017-10-09)Thesis was studied and designed to merge IoT (Internet of Thing) in agricultural technology. By the IoT technology used the sensor and transducer technology to record parameters for monitoring automatically many orchard. ... -
A Design and build motorcycle dummy crash test human body in thailand
Dangchat, Manus; มานัส แดงชาติ (2020-09-12)The aim of this research is to design a prototype of a male dummy chest for motorcycle crash tests. The primary criteria discussed in this study are based on the unique features of Thai ergonomic body sizes with an age ... -
Developing workpieces high hardness special tungsten carbide mix TaC, TiC, NbC and Co
Samarnpong, Harnnarong; หาญณรงค์ สมานพงษ์ (2020-01-10)The objective of this study was to investigate mechanical properties, namely hardness of cemented tungsten carbide workpieces, which were the mixture of 75 wt% tungsten carbide (WC) and 8 wt% -10 wt% cobalt (Co) as the ... -
Energy saving strategies in refrigeration systems by defrost management
Meeiam, Teerapong; ธีรพงศ์ มีเอี่ยม (2021-01-31)Defrosting at evaporator panel is one of working cycles in freezer. Power consumption in defrosting does not meet the objective of using freezer, therefore, the approach to decrease power consumption in defrosting is one ... -
Evaluation of lightning performance in subtransmission line 69 kv on electrical monopole
Songsang, Arnon; อานนท์ ส่งแสง (2021-01-31)Most of Metropolitan Electricity Authority (MEA) electric power system is using overhead line. It is 94% in the system including subtransmission, distribution and low voltage system. All of them were installed on concrete ... -
Fatigue Analysis and Design of reform using Finite Element Method
Chartpuk, Prakorb; Voranawin, Vorawit; Fongsamootr, Thongchai (2011-08-22) -
Harmonic current detection of adaptive active harmonic filter using rls algorithm
Prugpadee, Chanchai; ชาญชัย พฤกษ์พาดี (2020-01-10)This thesis proposes a method for detecting harmonics current in the adaptive active harmonic filter with Recursive Least Square (RLS) algorithm. The proposed method is based on the theory of noise cancellation adaptive ... -
Heat transfer enhancement of closed loop cooling tower by using water spray
Satthapong, Pornchai; พรชัย เศรษฐพงษ์ (2021-11-03)A closed wet cooling tower became popular for heat transfer process, but the existing system was not sufficient for the heat transfer of the manufacturing line. This research aimed at investigating the heat transfer ... -
High resolution sharpening in wavelet base Image fusion on pca transform technique
Keerin, Patchaya; พัชยา คีรินทร์ (2020-01-10)Currently, the edge image is regarded as important in the process of digital image processing. Because in the field of image processing in certain fields require lines or the edge of a complete description of the image ...