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Corresponding P Drawn from Neighboring 190W Panel Connected to a Back-of-the-Panel 240Vac Inverter PowerPoint Presentation
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Corresponding P Drawn from Neighboring 190W Panel Connected to a Back-of-the-Panel 240Vac Inverter

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Corresponding P Drawn from Neighboring 190W Panel Connected to a Back-of-the-Panel 240Vac Inverter - PowerPoint PPT Presentation

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Corresponding P Drawn from Neighboring 190W Panel Connected to a Back-of-the-Panel 240Vac Inverter

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  1. Corresponding P Drawn from Neighboring 190W Panel Connected to a Back-of-the-Panel 240Vac Inverter

  2. Cloud pattern moving 10-20 meters/sec For cloud shadow speed = 10 m/s, A = 500 meters, C = 600 meters For cloud shadow speed = 20 m/s, A = 1000 meters, C = 1200 meters

  3. #20, Substation 138kV, V = 1.02 pu [ 3.3, 2.2, 0.6 ] Isc = 34.4 pu, 10 MVA base, X/R =5.0 Power Factors Case 4A = 0.82 Case 4B = 0.82 Case 4C = 0.90 #14, WipeOut (400 HP) [ 12.7, 8.6, 2.5 ] #15, BigBoss (1250 HP) [ 13.1, 8.9, 2.5 ] 10/12.5/14 MVA Trans., Z = 6.54%, 10 MVA Base, X/R = 10, Load side tap = 1.025, Delta (138)-GWye (12.47), THDI = [ 11.9, 5.2, 1.0 ] #13, Jupiter (1200 HP + 0.5 MVA) [ 12.8, 8.7, 2.4 ] 3459 ft.1/0AL 618 ft. 1000MCM, 2 ckts #1, Substation 12.47kV [ 11.2, 7.6, 2.1] 4324 ft.,1/0AL 2100 ft.1/0AL 2718 ft. 350CU #2, Near Sub S. #3, Near Sub N. #8, Wilderness (250 HP) #16, Shop #7, Star #12, Apollo (1200 HP) [ 13.2, 8.9, 2.4] 2965 ft., 1/0AL 1606 ft. 1000MCM, 2 ckts 2224 ft.350CU #4, PBS (0.5 MVA) 988 ft. 350CU, 2 ckts 1482 ft.350CU #5, PBN (0.5 MVA) #10, Taylor (400 HP + 1.0 MVA) [ 12.4, 8.4, 2.3 ] 3212 ft. 350CU #9, Dorsey (250 HP) [ 12.3, 8.4, 2.3 ] 1606 ft. 1000MCM, 2 ckts 3953 ft.350CU 4324 ft.,1/0AL Cable R+ X+ Impedances (ohms/mile) (ohms/mile) 1000MCM 0.1495 0.1831 350 CU 0.2546 0.1976 1/0 AL 1.0399 0.4710 #11, Longs (200 HP + 0.5 MVA) [ 12.5, 8.5, 2.4 ] • #6, Base • MVA) • [ 11.7, 8.0, 2.2 ] Example of a small ski area with about 20 nodes

  4. Cloud shadow pattern moves across the distribution system in 1-second steps. • Shadow depth at each bus is computed, and the PV power at that bus is adjusted accordingly. • Loadflow and Harmonic Loadflow Re-Solved • Process continues in 1-second steps, saving bus voltages and powers at each step