Now showing items 81-100 of 438

    • Power system grounding for mitigation of voltage sag originated from single ling to ground fault 

      Prakobkit, Surasit; สุรสิทธิ์ ประกอบกิจ; Rugthaicharoencheep, Nattachote; นัฐโชติ รักไทยเจริญชีพ; Dechphung, Surachet; สุรเชษฐ เดชฟุ้ง; Viriyakam, Adisak; อดิศักดิ์ วิริยกรรม (2019-09-18)
      The faults in a power distribution system do not only impact to power outage directly. They also cause voltage sag problem spread over the system. A single-line to ground fault is about 70% of the overhead system faults. ...
    • Greenhouse gas reduction by cleaner technology 

      Sangsai, Sirithorn; ศิริธร แสงใส (2020-11-30)
      This study aims to determine the management approach for organization greenhouse gas emissions reduction and decreased them from the production per unit in a case study of food and beverage company. Due to the cleaner ...
    • Development of road accident prevention Ssystem: a case study of kamsakasang junction, Non-Thai District, Nakhon Ratchasima Province 

      Sumjarern, Nuttavut; ณัฐวุฒิ สุ่มเจริญ (2020-11-30)
      This research aims to develop a road accident prevention system to reduce the risk of accident, a case study of Kamsakasang Junction, Non-Thai District, Nakhon Ratchasima Province. The target audiences are: traffic experts ...
    • A built of molds for pineapple leaf bas relief sculpture 

      Supengcum, Rachadasak; รัชดาศักดิ์ สุเพ็งคำ (2019-09-18)
      Members of Pineapple Leaf Group have gathered to produce paper from pineapple leaves left from pineapple harvest. The obtained paper has been used to make various types of products such as picture frames, paper bags, ...
    • The production of alcohol gel biodegradable container for food reheating 

      Phangphet, Prasit; ประสิทธิ์ แพงเพชร; Jumroonrut, Suttipong; สุทธิพงษ์ จำรูญรัตน์ (2019-09-18)
      Nowadays, container of alcohol for warm food is produced from raw material of alloy, mixture of tin, chromium and manganese. When the container is heated with the flame temperature at 300 c which it is burned about 10 ...
    • การศึกษาแนวทางการผลิตแท่งอ้างอิงทางความแข็งในหน่วยร็อคเวลล์ สเกล ซี ตามมาตรฐานด ISO 6508-3 : 2005 

      Jumroonrut, Sutthipong; สุทธิพงษ์ จำรูญรัตน์; Phangphet, Prasit; ประสิทธิ์ แพงเพชร (2019-09-18)
      การวัดค่าความแข็งเป็นวิธีการตรวจสอบคุณภาพและชิ้นส่วนโลหะที่เป็นที่นิยมกันอย่างกว้างขวางโดยเฉพาะชิ้นส่วนของเหล็กกล้าที่ผ่านกรรมวิธีการผลิตดจาเป็นต้องตรวจวัดค่าความแข็ง เพื่อตรวจสอบความถูกต้องของกระบวนการผลิตการวัดค่าความแ ...
    • Integrated reliability improvement against permanent and transient errors for nanometer-scale processors 

      Sootkaneung, Warin; วรินทร์ สุดคนึง; Howimanporn, Suppachai; ศุภชัย หอวิมานพร; Chookeaw, Sasithorn; ศศิธร ชูแก้ว (2019-09-18)
      For modern processors, permanent and transient errors due to increased temperature and single event effect continue to intensify as device technologies scale down to small nanometers. While many researchers have proposed ...
    • 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 ...
    • 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 ...
    • 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 ...
    • A Study of magnetic efficiency from composite materials for industrial use 

      Aitviriyaphan, Vanussanun; วนัสนันท์ อิษฎ์วิริยะพรรณ (2020-09-12)
      The magnetic properties of Ba2FeMoO6 (BFMO) BaCO3 (Barium carbonate, 99.9%), Fe(NO3)3.9H2O (Iron(II) nitrate, 99.0%) and Mo03 (Molybdenum trioxide, 99.0%) have been characterized. A slurry was prepared by mixing the powders ...
    • Ground grid design of two neighbouring distribution substation 

      Rugthaicharoencheep, Nattachote; นัฐโชติ รักไทยเจริญชีพ; Woothipatanapan, Sakhon; สาคร วุฒิพัฒนพันธุ์ (2020-09-06)
      Ground grid design of substation is very important. It will help prevent the danger caused by the fault which causes the high step voltage and high touch voltage and may cause the operator to die. It also helps prevent ...
    • Optimal economic load dispatch in power system 

      Charangsut, Aroon; อรุณ ชลังสุทธิ์; Rugthaicharoencheep, Nattachote; นัฐโชติ รักไทยเจริญชีพ (2020-09-06)
      This research study is the economic load dispatch ELD is the method of determining the most efficient, low-cost and reliable operation of a power system by dispatching the available electricity generation resources to ...
    • Five phases axial flux permanent magnet generator at rated power 1 kW for a wind energy application 

      Wannakran, Poonsri; พูนศรี วรรณการ; Dusitakorn, Pana; พนา ดุสิตากร (2020-09-06)
      This research project presents about the design and construction of a five-phase generator for producing magnetic force along the shaft axis that there are various important elements, which should be considered in the ...
    • Fuzzy multiobjective differential evolution stopping criteria based on performance metrics feedback 

      Jariyatantiwait, Chatkaew; ฉัตรแก้ว จริยตันติเวทย์; Jariyatantiwait, Ponlakit; พลกฤษณ์ จริยตันติเวทย์ (2020-08-20)
      Differential evolution is one of the most efficient optimization algorithms for solving complication problems including single objective, multiobjective and many-objective optimization. It is a stochastic population-based ...
    • A study of faculty of engineering target market with Industry 4.0 for sustainability 

      Jariyatantiwait, Chatkaew; ฉัตรแก้ว จริยตันติเวทย์; Puangcharoenchai, Phupoom; ภูภูมิ พ่วงเจริญชัย; Lakkam, Supachai; Arpavate, Witchaya; วิชยา อาภาเวท (2020-03-16)
      Since the industries are developing to Industry 4.0 in the near future. Therefore, a study of faculty of engineering, Rajamangala University of Technology Phra Nakhon, target market with Industry 4.0 for sustainability is ...
    • A study of faculty of engineering’s strategy base on work integrated learning for professional graduate production 

      Jariyatantiwait, Chatkaew; ฉัตรแก้ว จริยตันติเวทย์; Puangcharoenchai, Phupoom; ภูภูมิ พ่วงเจริญชัย; Boonyalai, Pichest; พิเชษฐ์ บุญญาลัย; Arpavate, Witchaya; วิชยา อาภาเวท (2020-03-16)
      Nowadays, it is rapid technology advancement. The faculty of engineering, Rajamangala University of Technology Phra Nakhon, needs to update the bachelor degree programs and produces graduates that meet the requirements of ...
    • Research and development of low temperature related to accelerate the curing RTV (Room Temperature Vulcanization) liquid silicone rubber 

      Yimchang, Jakkrit; จักรกฤษณ์ ยิ้มแฉ่ง (2020-03-16)
      การวิจัยฉบับนี้ได้กล่าวถึงการลดระยะเวลาการทำแม่พิมพ์ยางซิลิโคนโดยเร่งความแข็งด้วยอุณหภูมิต่ำ เนื่องจากแม่พิมพ์ยางซิลิโคนใส สามารถเก็บรายละเอียดของชิ้นงานได้ดีและสามารถมองเห็นชิ้นงานด้านในได้แต่แม่พิมพ์ยางซิลิโคนใสใช้เวลา ...
    • Assessment of impacts of distribution system short circuit on the oinstalled critical equipment 

      Prakobkit, Surasit; สุรสิทธิ์ ประกอบกิจ (2020-03-16)
      This research presents the studying of short circuit in distribution system that affect to critical equipment voltage sag and overvoltage while short circuit event. Lead into, the quality of electric, user. Effect on ...
    • Impact assessment of voltage swell in transmission system 

      Prakobkit, Surasit; สุรสิทธิ์ ประกอบกิจ (2020-03-16)
      Electricity Generating Authority of Thailand (EGAT) encountered problems voltage swell from the changes of power system configuration, high-voltage 115 kV substation name Lopburi2 to radial. Control Center closed capacitor ...