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... techniquesforevaluatingpowerplantauxiliaryequipmnreliability", t 1971 Generation Power Conference S t L o u i s , IEEE paper CP702-PW 1448 of Auxiliary Electrical Power Systems of a Generating ... reliability of various systems and subsystems associated with a unit It also provides adesignerwithadollarfigurewhichcanbe usedin evaluatingthe worth of improvement of various equipment and systems In conclusion, ... Circuit Breakers in the Design reliability of auxiliary electrical systems of generating stations” CanadianElectricalAssociation,ThermalPowerSection,Spring Meeting, Toronto 1976 Manuscript received...

Ngày tải lên: 03/01/2014, 19:39

... storage systems can be classified into two groups: energy storage systems (batteries, hybrid compressed air systems, …) and power storage systems (super capacitors, flywheels,…) In stand alone systems ... 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) ... Generation and Distribution Systems and Power Quality Disturbances system for stand alone renewable energy power plants are batteries In some cases high power storage systems (usually super capacitors)...

Ngày tải lên: 26/06/2014, 23:20

... define the power quality requirements Anyway, the mains concepts of power quality regulation in grid connected systems can be used also for standalone systems and as general guidelines, a power quality ... generated power from renewable sources can lead to frequency fluctuation and to grid instability, in grid connected systems, and to total or partial loss of loads power supply in stand-alone systems ... 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 and Distribution Systems...

Ngày tải lên: 12/08/2014, 05:20

... gird-connected PV systems may collapse The PV systems are black out and cut out of the utility grid Such can affect power quality, stability and reliability of power systems 2.3 Power converter ... operation of PV systems [14-15] An inverter being a power 54 Electrical Generation and Distribution Systems and Power Quality Disturbances conditioner of a PV system consists of power electronic ... Wind-Shunt FACTS to Enhance Power Quality 51 Bansal, R C., Otimization methods for electric power systems: an overview, International Journal of Emerging Electric Power Systems, vol 2, no 1, pp...

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 ... determination is made on power quality aspects such as voltage level, total harmonic distortion, complex power, power factor, power penetration and frequency deviation Finally, power quality problems ... “Nonlinear identification of power electronics systems, ” Proc Int Conf Power Electronics and D20ve Systems, vol 1, 1995, p 329 [36] J Y Choi , et al “System identification of power converters based...

Ngày tải lên: 12/08/2014, 05:20

... of the 3rd International 112 Electrical Generation and Distribution Systems and Power Quality Disturbances Conference on Power Systems MPS 2010., Acta Electrotehnica Journal, Academy of Techinal ... reduce the 114 Electrical Generation and Distribution Systems and Power Quality Disturbances cross coupling between active and reactive powers Hysteresis current controller is used as inner current ... 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...

Ngày tải lên: 12/08/2014, 05:20

... Displacement power factor Fig 15(a) shows single phase instantaneous power and fig 15(b) shows three phase average active power flowing into grid The instantaneous power ‘S’ which is equal to active power ... decouple the active and reactive powers flowing into grid, which we can seen from the waveforms of active and reactive powers for three current controllers Reactive power flowing into grid is almost ... decoupling active and reactive powers following into grid, which we could see form figures of active and reactive powers for three current controllers Reactive power following into grid is zero...

Ngày tải lên: 12/08/2014, 05:20

... 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 ... distribution power system loads have a power factor of 0.9 to Industrial companies have to keep their power factor within limits defined by the regulatory authorities, or apply power factor correction ... grouped in order to make their counting easier and more Power Quality and Voltage Sag Indices in Electrical Power Systems 149 practical Power quality surveys in the past have just referred to...

Ngày tải lên: 12/08/2014, 05:20

... line impedance respectively, shows the power in a sending and 210 Electrical Generation and Distribution Systems and Power Quality Disturbances 2.1 Example of power flow control The concepts behind ... a real power exchange between the series and shunt controllers via the power link (Achat et al., 2004) − Qij − Pij Power Control Voltage Control Vr P, Q Bus J Bus i ⊕ Qij ⊕ Pij +Q -Q Dc Power ... M_TCSC No Convergence M_UPFC M_STATCOM Yes M_Plot • • • • • Power Flow Solution Indices of power Quality Voltage deviation Power loss Power transit limits Fig 19 Flowchart of the proposed basic...

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 of ICICS ... of a DSPBased Power Quality Monitoring Instrument for Real-Time Detection of Power Disturbances, Proceedings of PEDS 2005 International Conference on Power Electronics and Drives Systems, pp 304-307, ... Sha’ameri, A (2005) Real-Time Power Quality Monitoring System Based on TMS320CV5416 DSP Processor, Proceeding of PEDS 2005 International Conference on Power Electronics and Drives Systems, pp 16681672,...

Ngày tải lên: 12/08/2014, 05:20

... voltage to maintain high power factor In order to achieve unity power factor, i.e., i ac¯ t) = 297 Battery Charger with Improvement Battery Charger with Power Quality Power Quality Improvement ... with Power Quality Power Quality Improvement 303 13 Fig 11 Power factor correction (PFC) performed by the proposed charger during charging (buck) mode Fig 12 The proposed charger achieves high power ... chargers on the power quality of distribution systems, IEEE Transactions on Power Delivery Vol 18(No 3): 975–981 Kisacikoglu,M., Ozpineci, B & Tolbert, L (2010) Effects of v2g reactive power compensation...

Ngày tải lên: 12/08/2014, 05:20

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Ngày tải lên: 13/05/2014, 15:55

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Ngày tải lên: 13/05/2014, 15:55

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Ngày tải lên: 13/05/2014, 15:55

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Ngày tải lên: 13/05/2014, 15:55

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Ngày tải lên: 13/05/2014, 15:55

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Ngày tải lên: 13/05/2014, 15:55

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Ngày tải lên: 13/05/2014, 15:55

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Ngày tải lên: 13/05/2014, 15:55

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Ngày tải lên: 13/05/2014, 15:55