scale water quality monitoring water sample collection

... OUTPUTS A water quality- monitoring network for the MD Qualified staff members (2 MSc., and 24 lab technicians) specializing on water quality management, water quality monitoring, water quality ... establishment a surface -water quality network Enhancing the co-operation between eleven DOSTEs and CTU in surface water quality monitoring by establishment a surface water quality network in which ... Vietnam: Water Resources Sector Review Washington 13 ANNEX Figure Network of monitoring waterways for surface -water quality in MD 14 Figure Network of sampling points for surface -water quality...

Ngày tải lên: 04/11/2013, 20:15

... sufficient supply of good quality surface water and groundwater as needed for sustainable as well as to balanced and equitable water use This book entitled Water Quality Monitoring and Assessment” ... assessment of water quality is possible without a quantitative identification of some characteristics, a process commonly called water quality monitoring This chapter is an overview on water quality ... several water quality measuring units The last part of the chapter proposes architectures and intelligent signal processing techniques for distributed water quality monitoring networks Water quality...

Ngày tải lên: 28/06/2014, 08:20

... Quality Monitoring Power quality monitoring The process of the power quality analysis consists of four steps, namely, detection, classification, characterization, and location Power quality monitoring ... Australia Part Power Quality Monitoring, Classification, Measurements, and Analysis Power Quality Monitoring Kazem Mazlumi Zanjan University, Zanjan Iran Introduction Power quality is the measure, ... power quality problems The monitoring solutions depend on the power quality problems being studied For example, monitoring of the voltage sags caused by remote faults requires a long-time monitoring...

Ngày tải lên: 19/06/2014, 11:20

... monitor positions The right hand side, vector b, defines the level of Power Quality Monitoring 19 redundancy of the monitoring program A particular value of bi indicates that a fault at the fault ... monitors Conclusion Power quality monitoring is necessary to characterize electromagnetic phenomena at a particular location on an electric power circuit In this chapter, the monitoring of voltage ... can be chosen for a monitoring program This has led to the optimal monitoring program which has been proposed in this chapter 10 References Baggini, A (2008) Handbook of Power Quality, Wiley-IEEE...

Ngày tải lên: 19/06/2014, 11:20

... have been drawn at what nodes it is necessary to employ power quality monitoring The technical solutions needed to integrate power quality analysis functions into protection relay have been described ... 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 One ... he proposed the following definition for the reactive power term (Emanuel, 1990): 42 Power Quality – Monitoring, Analysis and Enhancement Q1 = V1 * I * sin φ1 (26) Based on this definition, an...

Ngày tải lên: 19/06/2014, 11:20

... Power Quality Monitoring in a System with Distributed and Renewable Energy Sources 67 The interpolation process consists in inserting a N-1 number of zero samples between each original signal sample ... determination and SN is the number of the samples in L periods (128 samples per one period for protection functions, 1024 samples per 10 periods for power quality analysis) The Round(x) function ... 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...

Ngày tải lên: 19/06/2014, 11:20

... 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 ... Norway 15th October 1998 Application of Signal Processing in Power Quality Monitoring 97 Baggini A (2008), Handbook of Power Quality, John Wiley & Sons Ltd, The Atrium, Southern Gate, Chichester,West ... Sept 2010 IEEE 1159: 1995, Recommended practice for monitoring electric power quality, 1995 Jayasree, T.; Devaraj, D.; Sukanesh, R (2010) Power quality disturbance classification using Hilbert transform...

Ngày tải lên: 19/06/2014, 11:20

... Electicity Distribution 118 Power Quality – Monitoring, Analysis and Enhancement Vetrivel, A M ; Malmurugan, N ; Jovitha, J (2009) A Novel Method of Power Quality Disturbances Measures Using ... disturbances 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 ... 103-111, 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...

Ngày tải lên: 19/06/2014, 11:20

... 138 Power Quality – Monitoring, Analysis and Enhancement factors and voltage sags and swells, especially in case ... is no zero-sequence current circulation, in the three-phase three-wire connection 140 Power Quality – Monitoring, Analysis and Enhancement (system without a return wire), the zero-sequence voltage ... Collective Apparent Power has been defined as: Σ = Σ Σ = ∗ + ∗ + ∗ + ∗ + + + (3) 142 Power Quality – Monitoring, Analysis and Enhancement Considering the existing asymmetries in real three-phase...

Ngày tải lên: 19/06/2014, 11:20

... interpretation (criterion of the real part of the equivalent impedance at PCC – Chapter 2.2) 164 Power Quality – Monitoring, Analysis and Enhancement 2.2 Criterion of the real part of the equivalent impedance ... can be represented by two components (Fig 9): I PCC = I C − PCC − I S − PCC (6) 166 Power Quality – Monitoring, Analysis and Enhancement where I C − PCC , I S − PCC are components associated ... defined the voltage value at an arbitrary point m between sources ES and EC (Fig 2): 168 Power Quality – Monitoring, Analysis and Enhancement Um = X1 X2 ES + EC X1 + X2 X1 + X (16) where: X = X +...

Ngày tải lên: 19/06/2014, 11:20

... integrating power quality monitoring functions in their products such as power meters, digital relays and event recorders (Ward, 2001) One of the most important aspects in power quality analysis ... Hawary, 2008) The integrating of the time 200 Power Quality – Monitoring, Analysis and Enhancement information into the calculation of several power quality indices using STFT is addressed in (Jaramillo ... section, several novel power quality indices will be introduced based on the good time-frequency localization properties of S-transform Power quality indices Power quality indices are a few representative...

Ngày tải lên: 19/06/2014, 11:20

... IEC 61000-4-30, Power quality measurement methods 216 Power Quality – Monitoring, Analysis and Enhancement Jaramillo, S.H.; Heydt, G.T & O’Neill-Carrillo, E (2000) ‘Power quality indices for a ... tools for power quality monitoring, The 11th European Conference on Power Electronics and Applications (EPE), pp.11-4 Heydt G T & Jewell W T.(1998) Pitfalls of electric power quality indices, ... Heydt, G T.(2000) Problematic power quality indices, IEEE Power Eng Soc Winter Meeting, vol 4, pp 2838-2842 IEEE Recommended Practice for Monitoring Electric Power Quality (1995) IEEE Std 11591995...

Ngày tải lên: 19/06/2014, 11:20

... stable carbon and carbon−silicon clusters For IR analysis, the sample with the SiC0.95 film was cut into two parts and one of these samples was treated by hydrogen plasma Fig 28 shows the IR transmittance ... use of a thermomechanical analyser, which subjects the sample to a thermal cycling over a certain range of temperature The dimensions of the sample are followed in one, two or alternatively three ... appearance of graphite grains of sizes about 100 nm, as well as visually observed darkening of the sample When exposed by radiation of ruby laser (λ = 0.69 μm, τ = 50 nsec, W = 0.5-2 J/cm2) also...

Ngày tải lên: 19/06/2014, 11:20

... switching states that not satisfy the aforementioned conditions were not used [28] 264 Power Quality – Monitoring, Analysis and Enhancement Vload Mode ( S d , Sd , S ′ , S ′ ) d d Current path VC ... Table The implemented switching strategy in the two-quadrant three-level chopper 266 Power Quality – Monitoring, Analysis and Enhancement Chopper duty cycle controller design In this section, ... Fig The power network Fig THD and DF variation of the inverter output line voltage 268 Power Quality – Monitoring, Analysis and Enhancement Fig shows the voltage variation of the capacitors versus...

Ngày tải lên: 19/06/2014, 11:20

... occurs more 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 ... growing concern over power quality of ac supply systems Power quality can be defined as the ability of utilities to provide electric power without interruption Various power quality problems can be ... Loading Factor Fig Three phase voltage solution at bus with load Incrementation 292 Power Quality – Monitoring, Analysis and Enhancement Bus Voltage Magnitude 0.9 0.8 0.7 0.6 Phase a Phase b...

Ngày tải lên: 19/06/2014, 11:20

... Restorer (DVR) for Voltage Quality Improvement in Electrical Distribution System a) b) Fig FFT Analysis for Voltage a) without or b) with Capacitors Filter 317 318 Power Quality – Monitoring, Analysis ... (DVR) for Voltage Quality Improvement in Electrical Distribution System a) b) Fig 10 a) One Phase Voltage Swells, and b) Voltage Swells after Compensation 319 320 Power Quality – Monitoring, Analysis ... system, and the customer’s service quality requirements (Shen et al., 2007) For voltage sag assessment, voltage sag characteristics has to be 326 Power Quality – Monitoring, Analysis and Enhancement...

Ngày tải lên: 19/06/2014, 11:20

... domains of the distribution systems where quality, quantity, continuous and reliable power can be made available to the consumers 348 Power Quality – Monitoring, Analysis and Enhancement 2.5 Distribution ... (11) 350 Power Quality – Monitoring, Analysis and Enhancement Vss= voltage at main station Yss=admittance b/w main station and bus j PDj=Real power load at bus j Improvement of power quality: To ... steady state load flow and during three phase fault at bus 22 after reconfiguration 342 Power Quality – Monitoring, Analysis and Enhancement Voltage magnitude pu 1.5 0.5 0 Phase A Phase B Phase C...

Ngày tải lên: 19/06/2014, 11:20

... synchronous generator, propulsion induction motor, and power inverter will be considered 364 Power Quality – Monitoring, Analysis and Enhancement References Ashish Ahuja, Sanjoy Das, and Anil Pahwa, Fellow, ... Intelligent Techniques and Evolutionary Algorithms for Power Quality Enhancement in Electric Power Distribution Systems 363 Fig 14 Post fault network for case ... Zhengcai Fu, Liuchun Zhang, 2007, An improved TS algorithm for lossminimum reconfiguration in large -scale distribution systems, Electric Power Systems Research, Volume 77 Dr Paramasivam Venkatesh...

Ngày tải lên: 19/06/2014, 11:20

... 10:42 Char Count= Series Preface monitoring of various types of waters (river, wastewater, groundwater) will also be considered This book Wastewater Quality Monitoring and Treatment is the sixth ... JWBK117-FM JWBK117-Quevauviller October 18, 2006 10:42 Char Count= Wastewater Quality Monitoring and Treatment Wastewater Quality Monitoring and Treatment Edited by P Quevauviller, O Thomas and A van ... wastewater covered by the Directive are urban, domestic, and industrial wastewater: r Urban wastewater means domestic wastewater or the mixture of domestic wastewater with industrial wastewater...

Ngày tải lên: 19/06/2014, 16:20