Phophongviwat, Teeraphon
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Preferred name
Phophongviwat, Teeraphon
Alternative Name
Phophongviwat, T.
Main Affiliation
Email
teeraphon.ph@kmitl.ac.th
12 results
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Item type:Publication, A Review of Converters for Green Hydrogen Generation in Consideration of Renewable Energy(2024-01-01); ; - Some of the metrics are blocked by yourconsent settings
Item type:Publication, Minimum cost design of small low-loss transformers(2005-01-01); Chat-uthai, C.A procedure for minimum cost design of a small low-loss low-frequency transformer is presented. The total losses of transformer can be defined to be the design constraint. The procedure for improving the accuracy of calculated total losses is the basis of the proposed total losses calculation associated with the temperature rise evaluation. The optimization technique used in this paper is based on the Genetic Algorithms. Five samples of 72 VA, 220/24 V, 50 Hz transformers have been designed and tested in order to illustrate how well the calculated total losses values using this proposed procedure matches that of the measured values obtained from the test. Finally, the simulation results of the minimum cost design with losses constraint are demonstrated. This proposed design is suitable for the design of economical transformer with total losses value options which is considerably flexible for a particular purpose. - Some of the metrics are blocked by yourconsent settings
Item type:Publication, Non-isolated Onboard EV Charger Controller Design Based on Port-Hamiltonian Approach(2023-01-01); The growth of the electric vehicles (EVs) market and the inadequacy of EV infrastructure, especially EV charging station, have led to an increase in charging EVs at home or the workplace. Onboard EV chargers (OBCs) have been installed on electric vehicles to charge batteries. The trend of increasing power rating and minimized sizing of OBCs, the improvement in stability and performance has been interesting. This paper demonstrates non-isolated EV onboard chargers with controller design based on Port-Hamiltonian control law to approach a robust control system and operate under wide operating range. Finally, the feasibility of the proposed control scheme is validated through experiment in laboratory. - Some of the metrics are blocked by yourconsent settings
Item type:Publication, EV Charging Station Planning Based on Nearby Station Data(2024-01-01); ; Thounthong, PhatiphatThis paper presents the optimal electric vehicle charging station installation planning, focusing on the installation scenarios where the location is pre-selected. The optimization process includes the maximum charging power capacity and the number of electric vehicles charging stations. Energy consumption information from nearby charging stations is harvested and then analyzed for forecasting the energy supply behavior of each charging station. This paper has a financial analysis to evaluate the cost-effectiveness of each installation scenario. Additionally, this methodology is demonstrated through the real-world data of charging patterns from electric vehicles at each charging station in Thailand. - Some of the metrics are blocked by yourconsent settings
Item type:Publication, CC-CV Charging Control Based on Modified Hamiltonian Control Law for EV Application(2024-01-01); ; - Some of the metrics are blocked by yourconsent settings
Item type:Publication, Control Strategy of Interleaved Buck Converter for Automated Guided Vehicles with Misalignment in Wireless Power Transfer Systems(2024-01-01); ; ; Takorabet, NoureddineThe analysis of the positioning of the power transmission coil with a power rating of 3 kW and an output voltage of 48 V at a frequency of 85 kHz is presented, along with a simulation of the wireless power transfer (WPT) control system using an LCC-S resonance compensation circuit, applied to automated guided vehicles (AGVs). The case where the coil positions are misaligned with a deviation of 0-20% from the size of the power transmission coil is considered. Apparently, it can be illustrated that when the two power transmission coils are misaligned, the battery can still be charged in constant current mode using an interleaved buck converter circuit through a PI controller to increase the output power. The operation is simulated using MATLAB/Simulink software. - Some of the metrics are blocked by yourconsent settings
Item type:Publication, The implementation of SHE control technique for the SST with CHB seven-level waveform on the solar farm applications(2019-03-01); ; This proposed paper presents the use of selective harmonic elimination (SHE) technology to control the cascaded H-Bridge Multi-level Inverter (CHBMI) for power transferring over the high frequency transformer (HFT), which is a part of the SST for applying to a solar farm. Apparently, the converter is using the seven-level CHBMI and the SHE technique to get rid of the 5<sup>th</sup> harmonic and 7<sup>th</sup> harmonic to find a set of angles θ<inf>1</inf>, θ<inf>2</inf> and 63 with the lowest 3<sup>rd</sup> harmonic. The calculated angles are used in each modules. Obviously, the simulation has shown that, at m<inf>a</inf>=2.43, θ<inf>1</inf>=11.6782°, θ<inf>2</inf>=26.8870° and θ<inf>3</inf>=56.0271°. The total harmonic distortion (% THDv) will be lowest at 9.35%. According to the experimentation, the SHE technique with low % THDv can reduce the power loss at HFT compared to the square wave transmission technique which the % THDv is high. - Some of the metrics are blocked by yourconsent settings
Item type:Publication, Modeling Li-ion Battery Using Measurement Data(2023-01-01); A precise battery model is essential for battery management system to predict state of charge and cell balancing. The aims of this paper are improved Lithium-ion battery model and study behavior of Lithium-ion battery. In this paper a second-order equivalent circuit of battery lithium-ion is developed to use for Lithium-ion Nickel based battery. The model is developed and validated with experiment result in MATLAB/SIMULINK/SIMSCAPE, As the comparison, The developed model is capable to predict current-voltage performance accurately in battery management system. - Some of the metrics are blocked by yourconsent settings
Item type:Publication, Deteriorated solar panel detection technique of SST for a solar farm application(2019-03-01); ; This proposed paper introduces the fault detection method for solar cell with Box Plot technique on the Solid State Transformer (SST) for the solar farm application. The Box Plot technique with inclusive quartile value is functioned for finding the upper and lower limit for data analysis. Normally, the fault detections of solar panels are found by using the PV string current from the SST to calculate the upper and lower limit of the Box Plot. If one of the string currents is in the specific outer boundary, therefore, the solar panels are in non-operational condition mode. Generally, the fault detection testing for the solar panels can be categorized in 5 cases: normal condition, open circuit condition, line-line condition, partial shading condition and degradation condition. Finally, based on the simulation result and the actual results, the Box Plot is able to monitor the performance of the PV string according to various conditions as efficiently as possible and accurate. - Some of the metrics are blocked by yourconsent settings
Item type:Publication, Comparison of LFP battery performance between Screw welding and Laser beam welding(2022-01-01); Studying the comparison of the performance of battery packing between screw welding technique and laser beam welding technique, both battery packing techniques have different advantages and disadvantages to different manufacture and assembling. The research is testing the performance of using battery packing in both techniques by choosing the Lithium iron phosphate(LFP) battery manufactured and distributed in the present market. This research will compare the life cycle testing, which tests the battery life performance, testing DC internal resistance of the battery, and comparing the battery's temperature increase while the battery discharged. To collect the performance testing data and choose the most suitable for application use with suitable battery packing technique.