distributed generation and power quality

... their output power variations To increment the Power Quality level of the LV and MV grids, diffused renewable generation 20 Electrical Generation and Distribution Systems and Power Quality Disturbances ... Electrical Generation and Distribution Systems and Power Quality Disturbances and stand-alone configurations, in order to prevent possible problems with a proper design and management of this generation ... Contraints Active Power G1 Umax Voltage Active Power U Umin Min Max Fmax Reactive Power Frequency Fn Reactive Power Demand Fmin Min Gn Generation Indices of Power Quality Fig Optimal power flow (OPF)...

Ngày tải lên: 26/06/2014, 23:20

... Electrical Generation and Distribution Systems and Power Quality Disturbances and stand-alone configurations, in order to prevent possible problems with a proper design and management of this generation ... Electrical Generation and Distribution Systems and Power Quality Disturbances, Edited by Gregorio Romero Rey and Luisa Martinez Muneta p cm ISBN 978-953-307-329-3 Contents Preface IX Part Power Generation ... developed for power quality understanding, evaluation or monitoring are analyzed The book is divided into four sections: power generation and distribution systems, disturbances and voltage sag,...

Ngày tải lên: 12/08/2014, 05:20

... Power Quality Results based Hybrid Model: IEEE-30Bus: Abnormal Condition 50 Electrical Generation and Distribution Systems and Power Quality Disturbances 140 Pij with wind/Facts Pij Max 120 Power ... coefficient bs and bw are a scaling dilation coefficient and a 64 Electrical Generation and Distribution Systems and Power Quality Disturbances wavelet dilation coefficient cs and cw are scaling ... technologies for reliable and safety grid interconnection operation of PV systems [14-15] An inverter being a power 54 Electrical Generation and Distribution Systems and Power Quality Disturbances...

Ngày tải lên: 12/08/2014, 05:20

... Identification for Power Quality Analysis 75 6.2.3 Power factor, apparent power, active power and reactive power The power factor, the apparent power S (VA), the active power P (W), and the reactive power ... “Improvement of power quality using distributed generation , Electrical Power and Energy Systems 32 (2010) 1069–1076 [9] P.R.Khatri, V.S.Jape, N.M.Lokhande, B.S.Motling, “Improving Power Quality by Distributed ... scholarship and research grant supports References [1] Bollen M H J and Hager M., Power quality: integrations between distributed energy resources, the grid, and other customers Electrical Power Quality...

Ngày tải lên: 12/08/2014, 05:20

... converters become stricter and stricter to meet very high power quality standards like unity power factor, less harmonic distortion, voltage and frequency control, active and reactive power control, fast ... the power system with respect to both short-term and long-term security of supply, voltage quality and power system stability In this paper most significant requirement is power quality The power ... of the operation times and repair times Fig 20 Interface for the reliability and nonreliability functions 109 110 Electrical Generation and Distribution Systems and Power Quality Disturbances 7.4...

Ngày tải lên: 12/08/2014, 05:20

... duration of time, and is 140 Electrical Generation and Distribution Systems and Power Quality Disturbances considered to be the most common power quality issue The economic impact of power quality on ... Electrical Generation and Distribution Systems and Power Quality Disturbances Milosevic Mirjana, Hysteresis current control in three phase voltage source inverter, ETH publications, power systems and ... to power quality disturbances Highly interconnected transmission and distribution lines have highlighted the previously small issues in power quality due to the wide propagation of power quality...

Ngày tải lên: 12/08/2014, 05:20

... industrial and commercial power systems IEEE Std 1100, (1999) IEEE Recommended Practice for Powering and Grounding Electronic Equipment 160 Electrical Generation and Distribution Systems and Power Quality ... verification process The index supervises the power quality of a system, through characterising voltage 152 Electrical Generation and Distribution Systems and Power Quality Disturbances sags The voltage ... magnitude and duration of the sag and the number of events These events can be grouped in order to make their counting easier and more Power Quality and Voltage Sag Indices in Electrical Power Systems...

Ngày tải lên: 12/08/2014, 05:20

... manner, or a unified power flow with series and shunt elements 216 Electrical Generation and Distribution Systems and Power Quality Disturbances In Fig 14 combined shunt and series controllers ... (δ cR ) ) (11) Where VvR and VcR are the controllable magnitude, 218 Electrical Generation and Distribution Systems and Power Quality Disturbances max VvR ≤ VvR ≤ VvR , and phase angle, ≤ δ vR ... • • Power Flow Solution Indices of power Quality Voltage deviation Power loss Power transit limits Fig 19 Flowchart of the proposed basic SimFACTS Series Hybrid 220 Electrical Generation and...

Ngày tải lên: 12/08/2014, 05:20

... 248 Electrical Generation and Distribution Systems and Power Quality Disturbances Hong, D.; Lee J & Choi, J (2006) Power Quality Monitoring System using Power Line Communication, Proceeding ... Electrical Generation and Distribution Systems and Power Quality Disturbances weighting factor is automatically tuned according to load level to yield compromised voltage and power quality control ... imbalance caused by source voltage and switching operation, and it can provide fault tolerant operation 258 Electrical Generation and Distribution Systems and Power Quality Disturbances 3.2.3 Three-switch...

Ngày tải lên: 12/08/2014, 05:20

... Electrical Generation and Distribution Systems and Power Quality Disturbances Will-be-set-by-IN-TECH Conclusion In this chapter, a simple and integrated battery charger with power quality improvement ... Proceedings of IEEE Applied Power Electronics Conference and Exposition, pp 293-298, ISBN 0-7803-0983-9 290 Electrical Generation and Distribution Systems and Power Quality Disturbances Tanitteerapan, ... Active power filters (APF) have been developed primarily to compensate the harmonic and reactive power components of line current generated by the nonlinear loads and to improve the power quality...

Ngày tải lên: 12/08/2014, 05:20

... with and interconnected with the electric utility grid • Power Conditioner Unit/ inverter Converts the DC power produced by the PV array into AC power consistent with the voltage and power quality ... voltage to charge 12 volt batteries and runs pump and motors • Can connect modules togethers to get any power configuration Photovoltaic cells, modules, panels and arrays Khoa Điện-Điện Tử 2002 ... applications: explore closedgridclosedloop control with estimated and monitored fast and accurated enough grid voltage and frequency, and synchronized the current with the grid voltage Khoa Điện-Điện...

Ngày tải lên: 26/04/2013, 08:26

... Quality and Power in the Supply Chain: What Industry Does for the Sake of Quality This Page Intentionally Left Blank Quality and Power in the Supply Chain: What ... today's managerial and quality ideologies, show how quality management movements evolve, explain how the quality industry and its profession popularize, promote, and benefit from fads, and finally suggest ... Spring 1994 8 Quality and Power in the Supply Chain As companies become larger, their economic dominance and power over so-called "peripheral" firms increase and so their contractual demands or, rather,...

Ngày tải lên: 17/03/2014, 20:21

... effects of ST and PT to one another and to a wait list control group with respect to changes in quality of life in older adults Following Stewart and King's [16] conceptual framework of quality of ... (BMI) was calculated using values of body mass and height Muscle power and strength Page of (page number not for citation purposes) Health and Quality of Life Outcomes 2008, 6:45 http://www.hqlo.com/content/6/1/45 ... (measured by IL-6 and other cytokines) [4], and physical activity Indeed, several randomized controlled trials have demonstrated that strength training (ST) can safely increase muscle mass and strength...

Ngày tải lên: 18/06/2014, 19:20

... 270 Power Quality Harmonics Analysis and Real Measurements Data Crectifier and Cac_cable are the capacitive couplings of the rectifier side and underground cable, respectively, ... (a) waveform between wind farm electric circuit and ground and (b) FFT analysis of the ground current obtained 274 Power Quality Harmonics Analysis and Real Measurements Data 800 Capacitive cooupling ... phase voltage waveform and (b) FFT analysis of the waveform obtained, at node 276 Power Quality Harmonics Analysis and Real Measurements Data Although voltage waveform meets standard regulations,...

Ngày tải lên: 18/06/2014, 22:20

... Electric Power Systems Harmonics - Identification and Measurements Soliman Abdelhady Soliman and Ahmad Mohammad Alkandari Chapter On the Reliability of Real Measurement Data for Assessing Power Quality ... Aleksandar Vuchev and Georgi Terziyski Chapter Thermal Analysis of Power Semiconductor Converters 131 Adrian Plesca Part Harmonic Distortion 151 Chapter Improve Power Quality with High Power ... Ensuring optimal power quality after a good design and devices means productivity, efficiency, competitiveness and profitability Nevertheless, nobody can assure the optimal power quality when there...

Ngày tải lên: 19/06/2014, 08:20

... and varied These parameters are the standard 14 Power Quality Harmonics Analysis and Real Measurements Data deviation of the noise, the number of samples, and the sampling frequency A Gaussiandistributed ... each sampling interval and the oldest sample is discarded The new [A]+ for the latest m samples is calculated and the estimates of [] are 12 Power Quality Harmonics Analysis and Real Measurements ... DFT, and LAV methods (sampling frequency = 1620 Hz) Electric Power Systems Harmonics - Identification and Measurements 19 The CPU time for the DFT and LES algorithms are essentially the same, and...

Ngày tải lên: 19/06/2014, 08:20

... recorded data set and computes the voltage and current harmonics magnitude, the voltage and current harmonics phase angles, and the fundamental power and harmonics power Initialization of the filter ... following: 32 Power Quality Harmonics Analysis and Real Measurements Data Fig 27 Gain of the proposed filter for X1 and Y1 using models and Fig 28 Estimated magnitudes of 60 Hz and third harmonic ... power) Examination of these curves reveals the following results The fundamental power and the fourth and sixth harmonics are time-varying Electric Power Systems Harmonics - Identification and...

Ngày tải lên: 19/06/2014, 08:20

... Frequency Power Systems Sub-harmonics Identification,” Int Jr of Power and Energy Systems, Vol 17, No 1, pp 38-43, 1998 A Al-Kandari, S.A Soliman and K El-Naggar, “Digital Dynamic Identification of Power ... system protection, Electric Power Systems Research 38 (1997) 113-123 66 Power Quality Harmonics Analysis and Real Measurements Data S.A Soliman, I Helal, and A M Al-Kandari, Fuzzy linear regression ... Lin, and Chao-Lin Kuo,’ Chaos Synchronization-Based Detector for Power- Quality Disturbances Classification in a Power System” IEEE TRANSACTIONS ON POWER DELIVERY, VOL 26, NO 2, APRIL 2011 68 Power...

Ngày tải lên: 19/06/2014, 08:20

... the power density spectrum 72 Power Quality Harmonics Analysis and Real Measurements Data This relationship can be understood as a transfer function The concept of transfer function using the power ... impedance of the transmission and distribution lines, and of the step-down and step-up transformers On the Reliability of Real Measurement Data for Assessing Power Quality Disturbances 75 Fig ... |VIH| and |IIH| are the interharmonic voltage and current magnitudes, respectively, and φIH is the angle displacement between the interharmonic voltage and current The conclusion of the power...

Ngày tải lên: 19/06/2014, 08:20

... 90 Power Quality Harmonics Analysis and Real Measurements Data of metering apparatus or protection relays extensively used in power system VT are mostly used in medium voltage (MV) and high ... 92 Power Quality Harmonics Analysis and Real Measurements Data Wideband analysis of VT transfer characteristic requires taking into account also external impedances of measured voltage source and ... resonance frequencies fr1, fr2, fr3 and related to them frequency bands B1, B2, and B3 are emphasized The frequency band B1 below fr3 can be characterized as a VT pass band where the magnetizing impedance...

Ngày tải lên: 19/06/2014, 08:20