Power Quality Harmonics Analysis and Real Measurements Data Part 1 pdf

... t 1 , t 2 = t 1 + t, t 3 = t 1 + 2t, …, t m = t 1 + (m – 1) t. Then, after expanding equation (4), it can be written as             0 11 1 12 1 12 1 1 1 1 21 ... Power Quality Harmonics Analysis and Real Measurements Data, Edited by Gregorio Romero Rey and Luisa Martinez Muneta p. cm. ISBN 978-953-307-335-4 POWER...

Ngày tải lên: 19/06/2014, 08:20

... power supply voltage and at maximum load is guaranteed: Power Quality Harmonics Analysis and Real Measurements Data 11 8 at 20 1xU ′ ≤− and 10 1xU ′ ≤− 21 1 02 010 1 11 yy tarctg arctg xU ... +−  (23b) at 20 1xU ′ ≥− and 10 1xU ′ ≤− 21 1 02 010 1 11 yy tarctg arctg xU xU ω  =+  ′′ −+− −+  (23c) at 20 1xU ′ ≥− and 10 1xU ′ ≥−...

Ngày tải lên: 19/06/2014, 08:20

... voltage waveform and (b) FFT analysis of the waveform obtained, at node 5. Power Quality Harmonics Analysis and Real Measurements Data 272 2.000 2.005 2. 010 2. 015 2.020 -0.050 ... 0306-2 619 Power Quality Harmonics Analysis and Real Measurements Data 274 0 10 0 200 300 400 500 600 700 800 0 2000 4000 6000 8000 10 000 12 000 14 000...

Ngày tải lên: 18/06/2014, 22:20

... the 14 -state model 2. Power Quality Harmonics Analysis and Real Measurements Data 20 Figure 12 15 give the three algorithms estimates, for 10 % missing data with no noise and with 0 .1 standard ... frequencies; the fundamental plus n – 1 harmonics, the state variable representation may be expressed as         11 1 22 21 21 22 11 0...

Ngày tải lên: 19/06/2014, 08:20

... and Measurements 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. ... given in Fig. 43. Fig. 41. Estimated fundamental voltage magnitude before and after correction for outliers. Power Quality Harmonics Analysis and Re...

Ngày tải lên: 19/06/2014, 08:20

...  V  V  A 0.9 012 -29.9 0.2495 17 9. 91 0 .12 4 0 .11 0 0.03 01 0.4 41 B 0.8986 -14 9.97 0.2495 17 9.93 0 .12 3 11 9.85 0.0298 -12 0.0 C 0.900 89. 91 0.2495 17 9.9 0 .12 3 -11 9.96 0.03 01 119 .58 Table 4. Estimated ... form. v pc (t)= (p 11  c 11 ) x 11 + (p 12  c 12 ) x 12 (10 1) Power Quality Harmonics Analysis and Real Measurements Data...

Ngày tải lên: 19/06/2014, 08:20

... interharmonics are identified: 15 1 Hz and 2 71 Hz. Frequency [Hz] Time [hours] 200 400 600 10 :49 10 :59 11 :09 11 :17 11 :27 Frequency [Hz] Time [hours] 200 400 600 16 : 21 16: 31 16: 41 16: 51 Frequency ... Harmonics Analysis and Real Measurements Data 82 264 Hz -0.5 -0.4 -0.3 -0.2 -0 .1 0 0 .1 0.2 0.3 1 4 7 10 1 316 19222528 313 437404346495255...

Ngày tải lên: 19/06/2014, 08:20

... be accepted in power quality measurement applications. Voltage Harmonics Measuring Issues in Medium Voltage Systems 10 1 10 10 0 1k 10 k 10 0k 1M 10 M 30M 10 0m 1 10 10 0 1k 10 k Modulus of impedance ... band width is about tens times. 10 10 0 1k 10 k 10 0k 1M 10 M 30M 10 m 10 0m 1 10 Normalized voltage transfer ratio [] Frequency (Hz) Under Load (0 .1) No...

Ngày tải lên: 19/06/2014, 08:20

... higher than unit what is characteristic for Power Quality Harmonics Analysis and Real Measurements Data 13 4      1 1 1 1 1 11 1, 1 1 11 1 ii ii i i ii i nT tnT nT T TT TT k FM i T i T jC ...  1/ m Table 1. Thermal and electrical analogy Power Quality Harmonics Analysis and Real Measurements Data 13 6 2.4 Triangle pu...

Ngày tải lên: 19/06/2014, 08:20

... Z Z  (19 ) So 57 31 31 1 15 7 1 CC TP L F ZZ Z UUI nZ n   (20) From equation (16 ) and (20), we get L C F C PT U ZZn ZZ n Z nI Z Z I ) 1 ( )1( 3325 71 315 7 1 57 1 332 31 1   ( 21) Where ... Suppose 1 1 1 TS TP U n U  and transformer 1 T is a ideal transformer, we can learn PTL C L PT C PT PTLPTinv IZ Z Z U Z U IZUU 10 0 0 1 0 1 1 01...

Ngày tải lên: 19/06/2014, 08:20