จำนวน Repository ( 3447 )

กลยุทธ์ในการยกระดับตลาดนางเลิ้งให้เป็นแหล่งท่องเที่ยวเชิงวัฒนธรรม
กลยุทธ์ในการยกระดับตลาดนางเลิ้งให้เป็นแหล่งท่องเที่ยวเชิงวัฒนธรรม

This research aims to enhance Nangleang Market as a top cultural tourist destination and to assist Nangleang Market to manage its cultural object into a sustainable way. Primary sources were from field work as data collecting interviewing 28 participants namely people responsible to Nangleang Market’s tourism management both government and private sectors people who buy food and things in the market seniors in the community local people tour leaders and tourists by using indicative questions. Second sources were investigated and analyzed from various information such as academic document and previous research. It was found that the seven groups of participants credited on integrated strategy including Communication Theory Stakeholders’ Involvement Civil State Empowerment Social Network by Facebook Campaign by Tourism Authority of Thailand and Food Safety Standard as a strategy to enhance Nangleang Market to manage tourism sustainably rather than the single one.

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การศึกษาสมรรถภาพทางกายของนักกีฬาวอลเลย์บอล มหาวิทยาลัยเทคโนโลยีราชมงคลพระนคร
การศึกษาสมรรถภาพทางกายของนักกีฬาวอลเลย์บอล มหาวิทยาลัยเทคโนโลยีราชมงคลพระนคร

This research was intended to study the physical fitness body mass index and normal norms of the physical fitness of volleyball athletes in Rajamangala University of Technology Phra Nakhon academic year 2016. The population was 15 male and 15 female RMUTP volleyball players. The instruments employed in the research were the Physical Fitness Test of the Department of Physical Education which included front bending standing and jumping sitting-up for 30 seconds running and picking up objects for 50 meters and Harvard Step Test. The Statistics used for analyzing the data were percentage mean (xˉ) standard deviation (SD) and t-score. The research findings were as follows: 1. Age weight height and body mass index (BMI) of female volleyball players: the average age is 20 years the average weight is 56.87 kg the average height is 165.60 centimeters the average body mass index is 20.67 and the overall average physical fitness of female volleyball players was moderate. 2. Age weight height and body mass index (BMI) of male volleyball players: the average age is 22 years the average weight is 79.87 kg the average height is 180.53 centimeters the average BMI is 24.31 and the overall average physical fitness level of male volleyball players was moderate. 3. Normal norms of the physical fitness level of female volleyball players were as follows: 3.1 Front bending: very high level matches with the T-score above 61 high level at 55 - 60 moderate level at 45 - 54 low level at 40 - 44 and very low level below 39. 3.2 Standing and jumping: very high level matches with the T-score above 61 high level at 55 - 60 moderate level at 50 - 54 low level at 45 - 49 and very low level below 44. 3.3 Sitting-up for 30 seconds: very high level matches with the T-score above 60 high level at 55 - 59 moderate level at 45 - 54 low level at 40 - 44 and very low level below 39. 3.4 Running and Picking up objects: very high level matches with the T-score above 61 high level at 55 - 60 moderate level at 45 - 54 low level at 40 - 44 and very low level below 39. 3.5 Running for 50 meters: very high level matches with the T-score above 60 high level at 55 - 59 moderate level at 45 - 54 low level at 40 - 44 and very low level below 39. 3.6 Harvard Step Test: the Physical Fitness Level of female volleyball players was high level. Twelve players (80.00%) had the index of the physical fitness at high above 80; the other 3 players (20.00%) were at a moderate level that is the index of physical fitness was 50 - 80. 4. Normal norms of the physical fitness level of male volleyball players were as follows: 4.1 Front bending: very high level matches with the T-score above 61 high level at 55 - 60 moderate level at 45 - 54 low level at 40 - 44 and very low level below 39. 4.2 Standing and jumping: very high level matches with the T-score above 61 high level at 55 - 60 moderate level at 50 - 54 low level at 45 - 49 and very low level below 44. 4.3 Sitting-up for 30 seconds: very high level matches with the T-score above 60 high level at 55 - 59 moderate level at 45–54 low level at 40–44 and very low level below 39. 4.4 Running and Picking up objects: very high level matches with the T-score above 61 high level at 55 - 60 moderate level at 45 - 54 low level at 40 - 44 and very low level below 39. 4.5 Running for 50 meters: very high level matches with the T-score above 60 high level at 55 - 59 moderate level at 45 - 54 low level at 40 - 44 and very low level below 39. 4.6 Harvard Step Test: the Physical Fitness Level of male volleyball players was in moderate level. Ten players (66.67%) had the index of the physical fitness at 50-80; the other 5 players (33.33%) were at a very low level that is the index of physical fitness was below 50.

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การประเมินสมรรถนะการป้องกันฟ้าผ่าระบบสายส่งย่อย และสายจำหน่าย ของ กฟน
การประเมินสมรรถนะการป้องกันฟ้าผ่าระบบสายส่งย่อย และสายจำหน่าย ของ กฟน

Design of grounding system to protect against lightning and fault is important for both safety and reliability especially for Metropolitan Electricity Authority (MEA) as mostly Metropolitan Electricity Authority operates on overhead networks. This thesis assesses lightning performance for 69 kV 115 kV overhead subtransmission lines 24 kV distribution line using case study from Metropolitan Electricity Authority. Because of the limitation of the right of way distribution feeders are regularly installed together with subtransmission lines in a single concrete pole. Overhead Ground Wire (OHGW) installed at top of the pole and grounding system in concrete pole protects fault current or direct lightning surge to ground. Metropolitan Electricity Authority has developed lightning protection based on an IEEE standard which uses international data for insulation coordination. As a result reliability of the system is lower than the designed value. This thesis suggests a methodology to improve the performance in order to increase the reliability of subtransmission and distribution lines feeding distribution substations. This thesis recommends installation of addition external ground wire on the outer surface of the concrete pole to reduce top pole voltage and back flashover rate or installation of bundle overhead ground wires to protect shielding failure. As all the case studies presented in the thesis which constitute this thesis are applied to existing systems of Metropolitan Electricity Authority it is expected that the proposed methodologies can be served as useful practical guidelines for lightning performance assessment subtransmission lines and distribution lines of Metropolitan Electricity Authority.

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การผสานแนวทางการลดกำลังสูญเสียเพื่อประยุกต์ใช้ในระบบจำหน่ายไฟฟ้า
การผสานแนวทางการลดกำลังสูญเสียเพื่อประยุกต์ใช้ในระบบจำหน่ายไฟฟ้า

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 the limits. Therefore the Simulated Annealing Technical selects as searching tool to find the suitable location of DG and Capacitor. The propose technique applies to the distribution system 69 buses model. The results shown that this technique can reduce in power losses from properly organize the location of DG and Capacitor. Moreover it can also balance and increase the voltage levels. The propose Simulated Annealing Technical is used to determine and organize the sectionalizing and tie switches in the feeder which installs DG and Capacitor by considering the power losses and the number of time to change the status of disconnecting switches.

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การประเมินสมรรถนะการป้องกันฟ้าผ่าระบบสายส่งย่อย 69 กิโลโวลต์ บนเสาไฟฟ้าโมโนโพล
การประเมินสมรรถนะการป้องกันฟ้าผ่าระบบสายส่งย่อย 69 กิโลโวลต์ บนเสาไฟฟ้าโมโนโพล

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 pole. At present many public facilities have been built such as Sky-Train. It causes more constrains for construction with concrete pole due to lack of right of way. MEA needs to using electrical monopole plays an important role. It’s easier than concrete pole for construction and it requires less construction area than concrete pole. The thesis evaluation of lightning performance in subtransmission line 69 kV study on MEA. Case lightning strike on overhead ground wire (OHGW) at pole top of electrical monopole with suspension insulator Focusing on three factors is pole top voltage critical current and back flashover rate (BFOR). ATP-EMTP software is used for simulation. The results show that BFOR is reduced by 79% on electrical monopole structure with suspension insulator compared with existing concrete pole. BFOR is also reduced by 33.17% on concrete pole with external ground wire. The results could be served as a guideline in subtransmission line design and improvement in MEA power system.

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