SHADOW - Main Result. windpro CUMULTATIEVE EFFECTEN SLAGSCHADUW HERENTALS. EDF Luminus Markiesstraat Brussel

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1 SHADOW - Main Result Assumptions for shadow calculations Maximum distance for influence Calculate only when more than 20 % of sun is covered by the blade Please look in WTG table Minimum sun height over horizon for influence Day step for calculation Time step for calculation 3 1 days 1 minutes Sunshine probability S (Average daily sunshine hours) [UCCLE] Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec 1,73 3,04 3,77 5,42 6,72 6,47 6,55 6,53 5,25 3,96 2,43 1,56 Operational time N NNE ENE E ESE SSE S SSW WSW W WNW NNW Sum Idle start wind speed: Cut in wind speed from power curve A ZVI (Zones of Visual Influence) calculation is performed before flicker calculation so non visible WTG do not contribute to calculated flicker values. A WTG will be visible if it is visible from any part of the receiver window. The ZVI calculation is based on the following assumptions: Height contours used: Height Contours: CONTOURLINE_ONLINEDATA_19.wpo (1) Obstacles used in calculation Eye height: 1,5 m Grid resolution: 1 m Topographic shadow included in calculation All coordinates are in Belgian Lambert72-BD72 (BE 2001 <±1m) Scale 1: Shadow receptor New WTG WTGs X Y Z Row data/description ,9 15,5 13,7 2 WTG type Valid Manufact. Type-generator ENERCON E-92 2,3 MW !-!...No ENERCON E-92 2,3 MW !-!...No ENERCON ENERCON SWT SWT SWT SWT SWT E-92 2,3 MW- E-92 2,3 MW- Power, rated [kw] Rotor diameter Shadow data Hub Calculation RPM height distance [RPM] , ,0 108, ,0 Shadow receptor-input No. A B C D E F G H I J K L M N O P X Y Z ,1 14, ,4 10,7 12,3 12,4 13,9 15,7 18,0 1 12,9 15,7 Width Height Height Degrees from Slope of a.g.l. south cw window [ ] [ ] Direction mode :50 / 1

2 SHADOW - Main Result Calculation Results Shadow receptor Shadow, worst case Shadow, expected values No. Shadow hours Shadow days Max shadow Shadow hours per year per year hours per day per year [h/year] [days/year] [h/day] [h/year] A 155: :06 25:06 B 152: :56 34:19 C 83: :24 13:44 D 208: :10 49:32 E 329: :38 53:31 F 190: :35 36:26 G 217: :13 25:18 H 207: :21 22:45 I 243: :44 28:00 J 245: :21 32:22 K 103: :13 13:49 L 203: :54 30:20 M 86: :51 12:01 N 153: :28 26:09 O 171: :54 22:01 P 170: :36 28:39 Total amount of flickering on the shadow receptors caused by each WTG No. Name Worst case Expected [h/year] [h/year] SWT !O! hub: 9 m (TOT: 15 m) (1) 970:08 139:53 SWT !O! hub: 9 m (TOT: 15 m) (2) 676:06 110:12 SWT !O! hub: 8 m (TOT: 14 m) (7) 547:42 112:00 SWT !O! hub: 8 m (TOT: 14 m) (8) 421:47 54:48 SWT !O! hub: 8 m (TOT: 14 m) (9) 191:09 29:05 ENERCON E-92 2,3 MW !-! hub: 108,4 m (TOT: 154,4 m) (10) 4:31 1:06 ENERCON E-92 2,3 MW !-! hub: 108,4 m (TOT: 154,4 m) (11) 0:00 0:00 Total times in Receptor wise and WTG wise tables can differ, as a WTG can lead to flicker at 2 or more receptors simultaneously and/or receptors may receive flicker from 2 or more WTGs simultaneously :50 / 2

3 SHADOW - Calendar, graphical WTGs 1: SWT !O! hub: 9 m (TOT: 15 m) (1) 2: SWT !O! hub: 9 m (TOT: 15 m) (2) 3: SWT !O! hub: 8 m (TOT: 14 m) (7) 4: SWT !O! hub: 8 m (TOT: 14 m) (8) 5: SWT !O! hub: 8 m (TOT: 14 m) (9) :50 / 3

4 SHADOW - Calendar, graphical WTGs 1: SWT !O! hub: 9 m (TOT: 15 m) (1) 2: SWT !O! hub: 9 m (TOT: 15 m) (2) 3: SWT !O! hub: 8 m (TOT: 14 m) (7) 5: SWT !O! hub: 8 m (TOT: 14 m) (9) :50 / 4

5 SHADOW - Calendar, graphical WTGs 1: SWT !O! hub: 9 m (TOT: 15 m) (1) 2: SWT !O! hub: 9 m (TOT: 15 m) (2) 3: SWT !O! hub: 8 m (TOT: 14 m) (7) 4: SWT !O! hub: 8 m (TOT: 14 m) (8) 5: SWT !O! hub: 8 m (TOT: 14 m) (9) 6: ENERCON E-92 2,3 MW !-! hub: 108,4 m (TOT: 154,4 m) (10) :50 / 5

6 SHADOW - Calendar per WTG, graphical Shadow receptors A: Shadow Receptor: Azimuth: Slope: 9 (1) I: Shadow Receptor: Azimuth: Slope: 9 (9) B: Shadow Receptor: Azimuth: Slope: 9 (2) J: Shadow Receptor: Azimuth: Slope: 9 (10) C: Shadow Receptor: Azimuth: Slope: 9 (3) K: Shadow Receptor: Azimuth: Slope: 9 (11) D: Shadow Receptor: Azimuth: Slope: 9 (4) L: Shadow Receptor: Azimuth: Slope: 9 (12) E: Shadow Receptor: Azimuth: Slope: 9 (5) M: Shadow Receptor: Azimuth: Slope: 9 (13) F: Shadow Receptor: Azimuth: Slope: 9 (6) N: Shadow Receptor: Azimuth: Slope: 9 (14) G: Shadow Receptor: Azimuth: Slope: 9 (7) O: Shadow Receptor: Azimuth: Slope: 9 (15) H: Shadow Receptor: Azimuth: Slope: 9 (8) P: Shadow Receptor: Azimuth: Slope: 9 (17) :50 / 6

7 SHADOW - Calendar per WTG, graphical Shadow receptors :50 / 7

8 SHADOW - Map Hours per year, real case m Map: HERENTALS2, Print scale 1:20.000, Map center Belgian Lambert72-BD72 (BE 2001 <±1m) East: North: New WTG Shadow receptor Flicker map level: Height Contours: CONTOURLINE_ONLINEDATA_19.wpo (1) :50 / 8