power quality monitoring analysis and enhancement part 13 potx

... (atoms №30 and 24) and carbon atoms (№21 and 27) are shown. Free bonds of these and other atoms (№ 4, 11, 12, 15, 17) can connected them with groups of atoms which do not lie on one plane and can ... particles, the SiC particles appear homogeneously distributed in the Al matrix, being the coarse particles embedded in a bed of small particles (Fig 6a) For higher percentages of coarse particles,... ... of tetrahedral Si–C bonds begins at 900−1000°C and continues up to 1300°C. This can be due to breakdown of carbon and silicon clusters (chains and flat nets) as well as single Si−C-bonds during

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... waveform between wind farm electric circuit and ground and (b) FFT analysis of the ground current obtained. Power Quality Harmonics Analysis and Real Measurements Data 274 0 100 200 300 ... voltage waveform and (b) FFT analysis of the waveform obtained, at node 5. Power Quality Harmonics Analysis and Real Measurements Data 276 Although voltage waveform meets standard regulations, ... farm under study. Power Quality Harmonics Analysis and Real Measurements Data 270 C rectifier and C ac_cable are the capacitive couplings of the rectifier side and underground cable,

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... POWER QUALITY HARMONICS ANALYSIS AND REAL MEASUREMENTS DATA Edited by Gregorio Romero Rey and Luisa Martinez Muneta Power Quality Harmonics Analysis and Real ... Thermal Analysis of Power Semiconductor Converters 131 Adrian Plesca Part 3 Harmonic Distortion 151 Chapter 6 Improve Power Quality with High Power UPQC 153 Qing Fu, Guilong Ma and Shuhua ... Soliman Abdelhady Soliman and Ahmad Mohammad Alkandari Chapter 2 On the Reliability of Real Measurement Data for Assessing Power Quality Disturbances 69 Alexandre Brandao Nassif Chapter 3 Voltage

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... the 13 th harmonic. The estimation is performed by the three techniques while several parameters are changed and varied. These parameters are the standard Power Quality Harmonics Analysis and ... sampling interval and the oldest sample is discarded. The new [A] + for the latest m samples is calculated and the estimates of [  ] are Power Quality Harmonics Analysis and Real Measurements ... in-phase and quadrate phase components of the harmonics. .. small value Fig 20 Actual recorded voltage waveform of phase A, B, and C 28 Power Quality Harmonics Analysis and Real

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... 31 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 ... Power Quality Harmonics Analysis and Real Measurements Data 32 Fig. 27. Gain of the proposed filter for X 1 and Y 1 using models 1 and 2. Fig. 28. Estimated magnitudes of 60 Hz and ... transients, and harmonics of less than 60 Hz (sub-harmonics). The waveform was originally sampled at a 118 ms time Power Quality Harmonics Analysis and Real Measurements Data 34 interval and a

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... together with maximum and minimum possible variation... 113-123 66 Power Quality Harmonics Analysis and Real Measurements Data S.A Soliman, I Helal, and A M Al-Kandari, Fuzzy linear ... crisp and fuzzy variations of v(t) Fig 57 Efect of removing 2nd Harmonic 64 Power Quality Harmonics Analysis and Real Measurements. .. Arrillaga, D.A Bradley and P.S Bodger, Power ... by a central and spread values as described by Eq.(68). 00 1 11 1 12 1 () ( ) [( ) ( ) ] N nnn nnn n vt p c p cx p cx       (75) Power Quality Harmonics Analysis and Real Measurements

Ngày tải lên: 19/06/2014, 08:20

... Assessing Power Quality Disturbances Alexandre Brandao Nassif Hydro One Inc.,Toronto, ON, Canada 1. Introduction Power quality assessment is a power engineering field that is first and foremost ... CIRED 2 CC02 Voltage Quality Working Group, Interharmonics in Power Systems 88 Power Quality Harmonics Analysis and Real Measurements. .. incorrect, and the reliability criteria ... calculated by using (Robert & Deflandre, 1997)       , eq Zh Vh Ih  (1) Power Quality Harmonics Analysis and Real Measurements Data 70 where ΔV(h) and ΔI(h) are the subtraction

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... ratio and low rated power, intended to supply only measuring inputs 90 Power Quality Harmonics Analysis and Real Measurements Data of metering apparatus or protection relays extensively used in power ... 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 ... of Technology Poland Introduction Voltage harmonic distortion level is one of the significant parameters of power quality in power system Numerous problems related to voltage and current harmonic

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... within the boundary curves А and L3 or L4 The bigger the capacity of the capacitors 124 Power Quality Harmonics Analysis and Real Measurements Data СS and С0, the smaller this ... output voltage (ua) and output current (i) of the inverter, input voltage (ub) and output current (i0) of the rectifier 128 Power Quality Harmonics Analysis and Real Measurements ... tarctg arctg xU xU ω  =−  ′′ −+− −+−  (23a) Power Quality Harmonics Analysis and Real Measurements Data 118 at 20 1xU ′ ≤− and 10 1xU ′ ≤− 21 1 02010 1 11 yy tarctg arctg xU

Ngày tải lên: 19/06/2014, 08:20

... 1/m Table 1. Thermal and electrical analogy Power Quality Harmonics Analysis and Real Measurements Data 132 Taking into account the thermal phenomena complexity for power semiconductor ...         (10) Power Quality Harmonics Analysis and Real Measurements Data 136 2.4 Triangle pulse series input power A series of triangle input power is shown in Fig. 5. The ... Rectangular pulse series input power The thermal response is given by the following equation, Power Quality Harmonics Analysis and Real Measurements Data 134      1 1 1 1 1

Ngày tải lên: 19/06/2014, 08:20

... principle and the theory about the high power UPQC, some fundamental knowledge about harmonic and harmonic elimination equipments are list below. Power Quality Harmonics Analysis and Real ... and shunt APF... passive part of shunt device is switched on 164 Power Quality Harmonics Analysis and Real Measurements Data and at 0.1s active part is started Fig.15 shows ... before and after series device run Fig 7... high power UPQC K inv 1 ( S ) 1 / Z IF IF 166 Power Quality Harmonics Analysis and Real Measurements Data Items Description Power

Ngày tải lên: 19/06/2014, 08:20

... 4.94 and 7.05 (τ1 = 0 and dC = 1.0 and 0.5, respectively) and kr, a = 5.13 and 7.33 (τ1 = 6.0% and dC... considered 188 Power Quality Harmonics Analysis and Real Measurements ... Power Quality Harmonics Analysis and Real Measurements Data force on Harmonic Modeling and Simulation, 2003), and |ZP1| and λP are the magnitude and the displacement power ... A New Proposal for Power Quality and Custom Power Improvement: OPEN UPQC, Power Delivery, Vol.24, No.4, pp.2107-2116, ISSN:0885-8977 Power Quality Harmonics Analysis and Real Measurements

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... frequently than other power quality phenomenon These sags/swells are the most 306 Power Quality – Monitoring, Analysis and Enhancement important power quality problems in the power distribution ... three-phase power plow modelization: a tool for optimal location and control of FACTS devices in unbalanced power systems, The 32nd Annual 304 Power Quality – Monitoring, Analysis and Enhancement ... Ju and Edmund Handshin, Continuation three-phase power flow: A tools for voltage stability analysis of unbalanced three-phase power systems, IEEE Trans Power Systems, vol 20, no 3, pp 132 0 -132 9,...

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... Power Quality Monitoring Power quality monitoring The process of the power quality analysis consists of four steps, namely, detection, classification, characterization, and location Power quality ... Cantabria (UC), Santander, Spain Ramesh Bansal The University of Queensland, Australia Part Power Quality Monitoring, Classification, Measurements, and Analysis Power Quality Monitoring Kazem Mazlumi ... the importance of monitoring instruments in order to localize the problems and find solutions Although the Power Quality – Monitoring, Analysis and Enhancement power quality monitoring relies...

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... transient duration and energy features (Gaing, 2004) Zhu et 22 Power Quality – Monitoring, Analysis and Enhancement al proposed an extended wavelet-based fuzzy reasoning approach for power quality disturbance ... by j, and both functions must be orthonormal 24 Power Quality – Monitoring, Analysis and Enhancement The wavelet and scaling functions are used to perform simultaneously a multiresolution analysis ... pu 16 Power Quality – Monitoring, Analysis and Enhancement SLG fault exposed area of bus 35 contains buses 30 and 32 Also, the 0.8 pu three phase fault exposed area contains buses 30, 32, and 38...

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... reactive power formulations for nonsinusoidal situations; the most used ones are described next 40 Power Quality – Monitoring, Analysis and Enhancement 2.2 Reactive power and distortion power definitions ... Aredes, M (2007) Instantaneous Power Theory and Applications to Power Conditioning, Wiley, ISBN 978-0-470-10761-4, Canada 58 Power Quality – Monitoring, Analysis and Enhancement Akagi, H., Kanazawa, ... 2006 IEEE, (2006), pp 60 Power Quality – Monitoring, Analysis and Enhancement Seong-Jeub, J (2008) Unification and Evaluation of the Instantaneous Reactive Power Theories Power Electronics, IEEE...

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... Wiley & Sons, England 76 Power Quality – Monitoring, Analysis and Enhancement Bollen, M H J & Gu I (2006) Signal Processing of Power Quality Disturbances, IEEE Press, ISBN -13 978-0-471-73168-9, ... PNN classifier for identification the various power quality events 86 Power Quality – Monitoring, Analysis and Enhancement Nine types of power quality disturbances are generated in MATLAB with ... protection relay and power quality analyser The architecture of combined protection relay and power quality analyser has been shown in Figure The architectures of power quality analyzer and protection...

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... S Y (30) 94 Power Quality – Monitoring, Analysis and Enhancement where r : correlation coefficient X, Y : the means of X and Y respectively S X , S Y : the standard deviation of X and Y respectively ... 5th and 7th Fig Harmonic distortions Fig Impulsive transient 103 Methodes of Power Quality Analysis In most cases the power quality disturbances are nonstationary and nonperiodic For power quality ... understanding the cause-effect relation and to improve the power quality The classical method of power quality analysis used in power quality monitoring sytems has been the discrete Fourier transform...

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... that affect the power quality It is necessary to comment that the neural networks (with BP, LM and RPROP training algorithms), as well 134 Power Quality – Monitoring, Analysis and Enhancement as, ... ISSN: 1063-6706 136 Power Quality – Monitoring, Analysis and Enhancement Zhang, M.; Li, K & Hu, Y (2011) A Real-Time Classification Method of Power Quality Disturbances Electric Power Systems Research; ... are obtained amplitude, frequency and time information in order to detect, localize and classify the disturbance 114 Power Quality – Monitoring, Analysis and Enhancement Fig 12 S-transform Figure...

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... source of 5th and 11th harmonics and the customer is the dominant source of 7th and 13th harmonics The above assumption is valid for both the 160 Power Quality – Monitoring, Analysis and Enhancement ... Applications Conference 156 Power Quality – Monitoring, Analysis and Enhancement Tenti, P Mattavelli, P and Morales Paredes, H K (2010) Conservative Power Theory, Sequence Components and Accounting in ... 138 Power Quality – Monitoring, Analysis and Enhancement factors and voltage sags and swells, especially in case of three-phase four-wire...

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