จำนวน Repository ( 16 )

ชุดสาธิตการผลิตไฟฟ้าด้วยพลังงานน้ำ
ชุดสาธิตการผลิตไฟฟ้าด้วยพลังงานน้ำ

This project aims to create a series of demonstration power plant water. And the operation of the circuit Inverter split by the end of demonstration runs as follows. Theory and documents relating to the source of electrical power water power the working principle of the circuit. Inverter the principle of integrated battery charger main circuit voltage VDC LED LED SMD (Surface-Mounted-Device) a voltmeter. Ammeters digital LCD display couples. Make plans to offer advisors the project approved. Design demonstration kit Equipment supply and assembly Assembly and demonstration the production of electricity from hydropower 220 VAC test run is a series of demonstrations to generate electricity from water power to 220 VAC storage performance voltage and current output. And analyze the results of the operation of the demonstration production of electricity from hydropower 220 VAC and conclusions in this chapter are the results of the experiment demonstrated the production of electricity from hydropower and the conclusion of the trial in order to be used. effectiveness of the objectives of the experimental procedure the results can not load a load test. Test kits demonstration power plant and the demonstration set to produce 220 volts for 25 minutes at a constant voltage. The electricity does not increase or decrease. Always works The term of office is fixed or reduced by the ratio of active power increases.

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การวิเคราะห์คุณภาพไฟฟ้าในระบบจำหน่ายไฟฟ้าที่มีแหล่งผลิตไฟฟ้าพลังงานลม
การวิเคราะห์คุณภาพไฟฟ้าในระบบจำหน่ายไฟฟ้าที่มีแหล่งผลิตไฟฟ้าพลังงานลม

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 system. And the load is distributed in the distribution system To analyze the differences of these 2 wind turbines analyze the pressure values The power quality in the distribution system that occurs. And able to apply wind turbine energy for sustainability And practices to support the correct power supply In the distribution system and able to provide electricity with efficiency and reliability Wind turbine when connecting to the electricity distribution system There is a significant impact on the power distribution system such as the impact on the power loss. Pressure impact etc. It can be seen that the wind turbine with 3 blades works less than the wind turbine with 4 blades not so much. Therefore the test shows that the analysis of the electricity quality in this distribution system for use as a case study And continue to improve the production of wind turbines in the electricity distribution system.

2563
การวิเคราะห์แรงดันตกชั่วขณะเมื่อมีการติดตั้งแหล่งผลิตไฟฟ้าแบบกระจายตัวในระบบจำหน่าย
การวิเคราะห์แรงดันตกชั่วขณะเมื่อมีการติดตั้งแหล่งผลิตไฟฟ้าแบบกระจายตัวในระบบจำหน่าย

This research presents an Analysis of Voltage Sags on the Installation of Distributed Generation in the Distribution System. The computer program PSCAD/EMTDC (Power Systems Computer Aided Design / Electromagnetic Transient in DC system) version 4.2 is applied to provide electrical parameters for the modeling and simulation and to analyze the fault occurred which resulted in voltage sag. Test results from PSCAD/EMTDC show the values of voltage sag when 5 types of fault are occurred (Single Line to Ground Fault Double Line to Ground Fault Three Phase to Ground Fault Line to Line Fault and Three Phase Fault). For all cases the value of root mean square voltage before fault is 100% or 1.0 pu. It can be seen that for both radial line and closed circuit when DG are installed in the system the value of phase to ground RMS residual voltage and phase to phase RMS residual voltage at the bus of Bang-pa-in 2 substation are more than the values in case of the system without DG.

2561
การติดตั้งแหล่งผลิตไฟฟ้าแบบกระจายตัวเพื่อเพิ่มความเชื่อถือได้ในระบบจำหน่ายไฟฟ้า
การติดตั้งแหล่งผลิตไฟฟ้าแบบกระจายตัวเพื่อเพิ่มความเชื่อถือได้ในระบบจำหน่ายไฟฟ้า

This paper presents reliability evaluation in distribution system with distributed generation. The main objective is to minimize the customer interruption cost subject to given number of distributed generation. The minimization problem for customer interruption cost in solved by the developed tabu search algorithm together with reliability worth analysis that provide an indirect measure for cost implication associated with power outages. The developed methodology is tested with a distribution system of Roy Billinton Test System (RBTS) bus 2 consist of 15 buses and 22 load points. Numerical results from the tests demonstrate that the optimal distributed generation placement can be used to promote reliability of the distribution systems.

2560
การประเมินแรงดันตกชั่วขณะในระบบสายส่งที่มีแหล่งผลิตไฟฟ้าแบบกระจายตัว
การประเมินแรงดันตกชั่วขณะในระบบสายส่งที่มีแหล่งผลิตไฟฟ้าแบบกระจายตัว

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 computer program PSCAD/EMTDC (Power Systems Computer Aided Design / Electromagnetic Transient in DC system) version 4.2 is applied to provide electrical parameters for the modeling and simulation and to analyze the fault occurred which resulted in voltage sag. Test results from PSCAD/EMTDC show the values of voltage sag when 5 types of fault are occurred (Single Line to Ground Fault Double Line to Ground Fault Three Phase to Ground Fault Line to Fault and Three Phase Fault). For all cases the value of root mean square voltage before fault is 100% or 1.0 pu. It can be seen that for both radial line and closed circuit when DG are installed in the system the value of phase to ground RMS residual voltage and phase to phase RMS residual voltage at the bus of Bang-pa-in 2 substation are more than the values in case of the system without DG.

2560