Electrical Power Systems Quality, Second Edition phần 1 pot

... Design Specifications, 19 97. 42 Chapter Two Figure 2 .16 ITI curve for susceptibility of 12 0-V computer equipment. 0.001c 0.01c 0.1c 0.5c 1c 10 c 10 0c 10 00c 1 s 1ms 3ms 20ms 0.5s 10 s Steady State Duration ... Use as given at the website. 22 Chapter Two 1. 5 1. 0 –0.5 0.0 0.5 1. 0 1. 5 0.00 0.05 0 .10 0 .15 Time (s) 0.5 0.6 0.7 0.8 0.9 1. 0 1. 1 0.00 0.05 0 .10 0 .15 Time (...

Ngày tải lên: 08/08/2014, 15:21

... 0.0 01 0 .10 6 15 1. 90 900 0. 019 0.000 0.0 81 17 1. 80 10 20 0. 018 0.000 0.094 19 1. 10 11 40 0. 011 0.000 0.044 21 0.60 12 60 0.006 0.000 0. 016 23 0.80 13 80 0.008 0.000 0.034 25 0.40 15 00 0.004 0.000 0. 010 27 ... 80 10 00 –500 0 500 10 00 Current (A) Harm Fund 3rd 5th 7th 9th 11 th 13 th 15 th % 10 0.0 65.7 37.7 12 .7 4.4 5.3 2.5 1. 9 Phase –37 –97 16 6 11 3...

Ngày tải lên: 08/08/2014, 15:21

... (discussed in Sec. 11 .1. 4). 11 .1. 4 Options for permanent power quality monitoring equipment Permanent power quality monitoring systems, such as the system illustrated in Fig. 11 .6, should take ... on Power Apparatus and Systems, Vol. PAS-94, No. 5, September/October 19 75, pp. 18 43 18 53. 10 . IEEE Standard P1547, Distributed Resources Interconnected with Electric Power...

Ngày tải lên: 08/08/2014, 15:21

... Reusens 13 2 0.59 C 1LG Texas 13 2 0.6 D L-L Glen Lyn 13 2 0.63 C 1LG Claytor 13 2 0.63 D L-L Reusens 13 2 0.65 C 3LG Ohio 13 2 0.65 A 1LG Glen Lyn 13 2 0.67 D 1LG Reusens 13 2 0.67 D 2LG Arizona 13 2 0.67 ... Tennessee 13 2 0 A 3LG Nevada 13 2 0.23 A 3LG Texas 13 2 0.33 A 2LG Tennessee 13 2 0.38 C 2LG Nevada 13 2 0. 41 C 3LG Claytor 13 2 0.42 A 1LG Tennessee 13 2 0.45 D 2LG...

Ngày tải lên: 08/08/2014, 15:21

... (pu) 900 4 1. 95 1. 55 900 9 1. 97 1. 45 900 14 1. 98 1. 39 12 00 4 1. 94 1. 50 12 00 9 1. 97 1. 40 12 00 14 1. 98 1. 34 18 00 4 1. 92 1. 42 18 00 9 1. 96 1. 33 18 00 14 1. 97 1. 28 SOURCE: Courtesy of Cooper Power Systems. Transient ... 13 5 2 1. 8 1. 6 1. 4 1. 2 1 Crest Voltage (per Unit) . 01 .1 1 10 10 0 10 00 10 000 Crest Current (A) Figure 4 ....

Ngày tải lên: 08/08/2014, 15:21

... shown in Fig. 5 .15 . 19 0 Chapter Five 0 5 10 15 20 25 30 35 –200 10 0 0 10 0 200 Time (ms) (a) Current (A)Current (A) 0 200 400 600 800 10 00 12 00 14 00 16 00 18 00 2000 0 20 40 60 80 10 0 Frequency ... impulses having 5-ns rise Transient Overvoltages 16 1 480-V Bus Voltage (phase-to-phase) 33.3 50.0 66.7 83.3 10 0.0 11 6.7 15 00 10 00 –500 0 500 10 00 15 00 Voltage...

Ngày tải lên: 08/08/2014, 15:21

... 3.5 2.5 1. 0 0.5 8.0 50 10 0 10 .0 4.5 4.0 1. 5 0.7 12 .0 10 0 10 00 12 .0 5.5 5.0 2.0 1. 0 15 .0 10 00 15 .0 7.0 6.0 2.5 1. 4 20.0 69 kV Ͻ V n Յ 16 1 kV Ͻ20* 2.0 1. 0 0.75 0.3 0 .15 2.5 20–50 3.5 1. 75 1. 25 0.5 ... Fund.) 16 0 10 0.00 7967.4 10 0.00 3 18 0 0.00 0.0 0.00 5 300 4.00 318 .7 20.00 7 420 3.00 239.0 21. 00 11 660 0.00 0.0 0.00 13 780 0.00 0.0 0.00 17 10 20...

Ngày tải lên: 08/08/2014, 15:21

... 25.465 18 .765 13 . 619 Mean 56.308 28.729 18 .422 8.926 3.694 33.293 25.390 18 .535 CP95† 13 5 .18 5 66.260 51. 000 27.037 13 . 519 71. 413 51. 500 38.238 Maximum 207.644 10 3.405 70.535 56. 311 35.689 14 9.488 14 0.768 ... 50 percent. T 10 % , however, comprises only the duration of the second component, 200 ms. 0 20 40 60 80 10 0 12 0 14 0 0.000 0 .16 7 0.333 0.500 0.667 0....

Ngày tải lên: 08/08/2014, 15:21

... reverse -power relay, with a pickup level on the order of 0 .1 percent of the rated power of the net- work transformer. These settings can be as low as 1 to 2 kW. It is the mission of the reverse -power ... key power quality issues for each type of interface are described in Secs. 9.3 .1 to 9.3.3. 9.3 .1 Synchronous machines Even though synchronous machines use old technology, are...

Ngày tải lên: 08/08/2014, 15:21

... waveforms and Power Quality Monitoring 483 IEEE 14 1 IEEE 519 0. 01 0 .1 1 10 10 0 10 00 10 000 Changes/min ⌬V/V (%) 0 .1 1 10 Figure 11 .16 Flicker curves from IEEE Standards 14 1 and 519 . Figure 11 .17 RMS ... available to the users. A smart power Power Quality Monitoring 487 0.00 2:00 4:00 6:00 8:00 10 :00 12 :00 14 :00 16 :00 18 :00 20:00 22:00 0:00 Time P st 0 0.5...

Ngày tải lên: 08/08/2014, 15:21