what is '1000 projects'?

how it works?

more number of projects?

Download EEE Paper Presentation

Title: Application of a shunt active power filter

Description: Application of a shunt active power filter In this paper, we propose an experimental multiobjective evaluation method based on the use of distribution network equipment to evaluate distribution network configuration candidates with distributed generators (DGs), such as photovoltaic generation systems and wind power generation systems, by hourly changing states of sectionalizing switches satisfying constraints of voltage and line current limit. In the proposed experimental multiobjective evaluation method, the optimal network configuration is determined by using multiobjective evaluation based on total distribution loss rate, maximum voltage total harmonic distortion, and maximum voltage imbalance rate in order to reduce distribution loss and to keep power quality. The proposed method is applied to radial and loop distribution network configurations by using an experiment of scaled-down three-phase distribution network with 1 bank distribution transformer, 5 distribution lines, 5 sectionalizing switches, 12 single-phase loads, and 5 DGs. Laboratory of Advanced Technology of Power & Electrical Engineering With an area of 400 square meters of laboratories, 150 square meters of offices and a total investment in equipment of 4 million RMB, the Laboratory of Advanced Technology of Power & Electrical Engineering aims at ensuring an academic and educational prestige in China. Possessing rich resources in advanced instruments, facilities, test-bed and power resource, the laboratory devotes much research to basic theory and key technology of high voltage power. Focusing on the international frontier technology and its application as well as the key problems in the national economy, the laboratory has taken projects from National Natural Science Foundation and at provincial or ministerial level. The laboratory actively carries out the research on the formation mechanism and industrial application of atmospheric pressure glow discharge, and meanwhile applies for its key projects from National Natural Science Foundation. The power quality is a term used to broadly encompass the entire scope of interaction among electrical suppliers, the environment, the system and products energized, and the uses of those systems and products. It is more than the delivery of clean electric power that compile with industry standards. It involves the maintainability of that power, the design, the selection, and the installation every piece of hardware and software in the electrical energy system. Stretching from the generation plant to the utility customer, power quality is a measure of how the elements affect system as a whole. This paper presents an overview of electric power quality with special emphasis on power quality problems, its adverse impacts on utilities and customers and the mitigation techniques. The wide spread usage of power electronic loads aimed at enhancement of energy efficiency and productivity has resulted in serious power quality problems such as voltage distortion due to current harmonics, flicker, voltage sag, voltage surges etc., which call for assessment and solution techniques. Here, we also discuss about two major power quality issues grounding and harmonics and some power system components, which correct the harmonics problems. This paper broadly describes the above features along with the means for improvement of power quality. INTRODUCTION TO POWER QUALITY The term power quality means different things to different people. One definition is the relative frequency and severity of deviations in the incoming power supplied to electrical equipment from the customary, steady, 50Hz sinusoidal waveform of voltage or current. These deviations may affect the safe or reliable operation of equipment such as computers and electronic instruments. It also refers to the delivery of high grade of electric service maintaining a sinusoidal load, bus voltage and current at stipulated magnitude and frequency. As we connect electronic devices to our power system, the quality after power is more important. Quality can be defined in many ways. Stable voltages and undistorted waveforms are two characteristics, which are very desirable in power systems. Thus while not having a strict basis of measurement, terms like Poor Power Quality generally mean there is sufficient deviation from norms in the power supply to cause equipment mis-operation or pre-mature failure. Download EEE Paper Presentation