Sarikprueck, Piampoom

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School of Engineering

piampoom.sa@kmitl.ac.th

Now showing 1 - 10 of 21

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Medium-term operation for an industrial customer considering demand side management and risk management
(2015-01-01)
Ding, Zhaohao
;
Sarikprueck, Piampoom
;
Lee, Wei Jen
Under a deregulated market environment, industrial customers can participate in multiple markets with different time range to purchase electricity. Transactions in different markets make the industrial customer involve in different level of cost uncertainties and risks. To solve this energy procurement portfolio problem, a medium-term operation model is proposed. The risk-term is measured and managed by mean-variance approach. The uncertainties in the proposed model are characterized by stochastic day-ahead and real-time prices generated based on ERCOT historical data. A sample case study is provided to illustrate and verify the proposed model.
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Bounds for Optimal Control of a Regional Plug-in Electric Vehicle Charging Station System
(2018-03-01)
Sarikprueck, Piampoom
;
Lee, Wei Jen
;
Kulvanitchaiyanunt, Asama
;
Chen, Victoria C.P.
;
Rosenberger, Jay M.
In order to support the increasing penetration of plug-in electric vehicle (PEV) users, a novel regional PEV charging station system with dc level 3 fast charging is proposed in this paper. To promote sustainable development, the proposed system is designed to be equipped with a distributed energy storage system charged by wind generation, solar photovoltaic (PV) generation, and electricity from the power grid, which can simultaneously charge multiple PEVs. The objective of the proposed system is to minimize operational cost. Wind/solar PV generation and electricity market price are input state variables in this problem, and are predicted by support vector regression (SVR). The uncertainties of the SVR models are analyzed using a martingale model forecast evolution. Finally, bounds of the optimal operational cost in this problem are evaluated with two stochastic measures, which can be solved using the expected value problem and the wait-and-see solution. Bounds from experiments simulating models of the Dallas-Fort Worth metroplex show that the largest uncertainty in the system occurs during weekdays in the summer.
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A Study on Induction Motor Efficiency Improvement for Implementing in Electric Vehicle
(2018-11-27)
Lumyong, Pichit
;
Sarikprueck, Piampoom
Among various types of electric motor, selecting an induction motor for electric vehicle (EV) is still being discussed. Efficiency and weight of induction motor are two significant disadvantages compared to other motors. To solve these two concerns, this paper proposes a study to effectively improve induction motor efficiency and its power density. The stator winding of proposed three phase induction motor is rewound by decreasing number of turn and by increasing stator coil size. This proposed motor is suitable for EV driven by inverter in high speed operation which the rated power of this motor is approximately two times more than that of its original. As the results, the motor efficiency is improved since its total loss is slightly increased. In addition, as an increasing twice of rated motor power approximately with the same motor weight, the power density of the proposed motor is also enhanced. Three sizes of three-phase inductor motor including 0.75, 2.25, and 3.7 kW are tested to illustrate the proposed approach in this study.
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Magnetization of NdFeB Permanent Magnet Considering Demagnetization Effect
(2018-11-27)
Sarikprueck, Piampoom
;
Lumyong, Pichit
;
Niroiana, Chamakorn Na
;
Attaphong, Chodchanok
Electrical machine efficiency improvement has been paid more attention over the past years. Using Permanent Magnets (PMs) in various modern electrical machines is one of the most favorable approaches to increase machine efficiency. However, PMs still have a significant disadvantage that is the demagnetization issue. Therefore, these demagnetized PMs need to magnetize for regaining their initial capability considering the demagnetization level. Therefore, first of all, this paper proposes the demagnetization behavior of NdFeB PMs due to thermal effect. Then, these PMs are magnetized using a proposed simple magnetizing technique considering various demagnetization conditions. Finally, the results indicate that the most complete demagnetized PMs are able to significantly recover to their initial capability.
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Environmental Impact Assessment of Lead-Acid and Lithium-ion Battery Waste Management in Thailand
(2024-01-01)
Morawan, Nattaya
;
Mungkhala, Issariya
;
Attaphong, Chodchanok
;
Katers, John
;
Sarikprueck, Piampoom
This study used material flow analysis and life cycle impact assessment to evaluate the management of lead-acid and lithium-ion batteries in Thailand in 2022. Four scenarios were designed, employing two methods: landfilling and material recovery. Landfilling lead-acid and lithium-ion batteries showed significant negative environmental impacts. Lead recovery for lead-acid batteries waste also had negative impacts due to slag generation. However, metal recovery of lithium-ion battery waste, which recovered lithium carbonate and cobalt carbonate, demonstrated positive environmental outcomes. When comparing the two methods, landfilling was preferable for lead-acid batteries, whereas metal recovery was better for lithium-ion batteries. These findings provide essential information for battery management guidelines in Thailand and indicate that future research should explore additional methods and their economic aspect.
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A study of phase to ground leakage current in 3-phase induction motor fed by switching voltage source
(2009-12-01)
Sarikprueck, Piampoom
;
Lumyong, Pichit
This paper presents a phase to ground leakage current in 3-phase induction motor caused by switching voltage source. The phase to ground leakage current of induction motor is effected by impedance of motor insulator which varied with switching frequency from voltage source. So various testing voltage sources included variable frequency square wave, variable frequency sine wave and dc source are supplied to induction motor in order to find out the impedance of motor insulator. Finally, test results of 1hp, 3hp and 5hp induction motors are shown and carried out to evaluate the phase to ground insulation motor impedance model.
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Development of Shuttle-Tram Tracking System using IoT and Comparing of Map localization using Google APIs and Custom Map
(2025-01-01)
Thothong, Thirasit
;
Anuwongpinit, Thanavit
;
Sarikprueck, Piampoom
;
Ta, Kuson
;
Wilasuwan, Thanapat
This paper presents the development of an Internet of Things (IoT)-based Transit Tracking System. At the Faculty of Engineering, King Mongkut's Institute of Technology Ladkrabang, a public transportation system has been developed to facilitate transit around the campus using shuttle cars. Shuttle stations are placed along the routes, and cars run every 10-15 minutes. However, the problem of users not knowing the precise location and arrival time of each shuttle arose. To solve this, a transit tracking system was developed using IoT technology. IoT devices were installed on each vehicle to monitor their real-time locations. The data is collected via GPS and transmitted over the 4G network to a server, then stored in a database and displayed on a website in real-time using React. To reduce costs, a custom map was developed using the Leaflet library as an alternative to the Google Maps API. Testing within the Faculty of Engineering showed that the designed IoT system could transmit data successfully, with a performance of a custom map close to that of the Google Maps API, while also significantly reducing costs.
2
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Medium-term operation for an industrial customer considering demand side management and risk management
(2015-09-14)
Ding, Zhaohao
;
Sarikprueck, Piampoom
;
Lee, Wei Jen
Under a deregulated market environment, industrial customers can participate in multiple markets with different time range to purchase electricity. Transactions in different markets make the industrial customer involve in different level of cost uncertainties and risks. To solve this energy procurement portfolio problem, a medium-term operation model is proposed. The risk-term is measured and managed by mean-variance approach. The uncertainties in the proposed model are characterized by stochastic day-ahead and real-time prices generated based on ERCOT historical data. A sample case study is provided to illustrate and verify the proposed model.
1
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Technical Review on Advanced Approaches for Electric Vehicle Charging Demand Management, Part I: Applications in Electric Power Market and Renewable Energy Integration
(2020-09-01)
Teng, Fei
;
Ding, Zhaohao
;
Hu, Zechun
;
Sarikprueck, Piampoom
This article proposes a comprehensive technical review on advanced approaches for electric vehicle charging demand management. The survey is divided into two parts. Part I consists of two major sections. In the former section, the applications for participating in electric power markets, including energy market and ancillary service market, are reviewed. The applications for enhancing renewable energy integration as single energy and multienergy sources are reviewed in the latter section.
2
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Effect of additives on fuel properties and emission characteristics of micromulsion biofuels from palm oil
(2017-07-12)
Attaphong, Chodchanok
;
Lumyong, Pichit
;
Wichadee, Sasiwimon
;
Khaodhiar, Sutha
;
Sarikprueck, Piampoom
Microemulsiflcation is one of the novel techniques to reduce viscosity of vegetable oils to avoid durability problems in diesel engines. Microemulsion biofuels are transparent, thermodynamically stable, and single-phase mixtures of vegetable oils and ethanol in the presence of surfactants and co-surfactants. Additives have also been included in microemulsion biofuel formulations to improve their stability and fuel properties; however, there is limited research on the effect of additives on emission characteristics of microemulsion biofuels. In this study, microemulsion biofuels were formulated from palm oil/diesel blend (1:1 v/v), ethanol, surfactant, and co-surfactants. Five additives, ethylene glycol butyl ether (EGBE), diethylene glycol ethyl ether (DEGEE), propylene glycol ethyl ether (PGEE), dipropylene glycol methyl ether (DPGME), and ethyl acetate (EA), were used to study the effect of additives on phase behaviors, fuel properties, and emission characteristics. The results showed that studied additives could improve some fuel properties of microemulsion biofuels with negligible effect on phase stability. Additionally, it was found that carbon monoxide (CO) emissions from microemulsion biofuels with DEGEE and EA, and nitrogen oxide (NOx) emissions from microemulsion biofuels with all additives were lower than those from diesel and biodiesel. Therefore, DEGEE and EA can be considered as promising additives for microemulsion biofuel formulations, which can improve fuel properties as well as can significantly reduce CO and NO<inf>x</inf> emissions below the levels of diesel and biodiesel. These encouraging results offer options of additives for biofuel applications.
2

Sarikprueck, Piampoom

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