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2
Proprietary rights are included in the information disclosed herein. This information is
submitted in confidence and neither the document nor the information disclosed here-
in shall be reproduced or transferred to other documents for manufacturing or for any
other purpose except as specifically authorized in writing by Southwest Windpower.
A
NACELLE
B
FROM UP-TOWER
YAW JUNCTION BOX
240V AC SPLIT PHASE
60Hz
NACELLE
CHASSIS
ELECTRICALLY
CONNECTED TO
C
YAW WHICH
MUST BE
Cable type:
ELECTRICALLY
10-3 UF-B direct burial
CONNECTED
TO TOWER
cable with ground (total 4
conductors).
APPROPRIATE WIRE GAUGE
IF RUN FROM TOWER TOP
6
TO AC MAIN PANEL IS >
TOWER
G
N L 2 L 1
198FT. (FOR 2% POWER LOSS).
(APPROX.
35 FT.
HIGH)
D
TOWER
GROUND
SYSTEM
(OPTIONAL)
E
6" MIN.
RUN FROM TOWER BASE TO HOME
TOWER
FOUNDATION TOP
SURFACE TO BE
MIN. 6" ABOVE
F
GROUND LVL.
REFER TO SWWP
FOUDATION DWG.
1" DIA. SCHEDULE 40
RIGID PVC CONDUIT;
SUNLIGHT RESISTANT;
UL LISTED
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2
Option 2: E E l l e e c c t t r r i i c c a a l l c c o o n n n n e e c c t t i i o o n n d d i i r r e e c c t t r r u u n n t t o o h h o o m m e e / / u u t t i i l l i i t t y y w w i i t t h h o o u u t t j j u u n n c c t t i i o o n n b b o o x x a a t t t t o o w w e e r r b b a a s s e e . .
3
THIS DRAWING IS FOR REFERENCE
VARIATIONS MAY BE MADE IN
ACCORDANCE WITH NEC GUIDELINES
ELECTRICAL CONNECTION OPTION #2
DIRECT RUN TO HOME / UTILITY
WITHOUT JNC. BOX AT TOWER BASE.
"SKYSTREAM"
WIND TURBINE
USE
N
G
2
4
WIND
POWER
SYSTEM
DISCONNECT
SWITCH
2-POLE
GROUND
30A,
250VAC
LEVEL
SQ-D
#DU221RB
*
1.
24 INCH MIN.
2.
3.
4.
5.
6.
7.
3
4
5
DEDICATED WIND
POWER SYSTEM
KILOWATT-HOUR
METER
(OPTIONAL)
N (white)
L1 (black)
L1
L2 (red)
L2
GND (bare/green)
G
3
7
NOTES:
EQUIPMENT SHALL BE INSTALLED IN ACCORDANCE WITH NEC ARTICLE 705.
PROVIDE WARNING SIGN PER NEC 690-17 READING "WARNING-ELECTRIC
SHOCK HAZARD-DO NOT TOUCH TERMINALS - TERMINALS ON BOTH THE LINE
AND LOAD MAY BE ENERGIZED IN THE OFF POSITION".
LABEL "WIND POWER SYSTEM DEDICATED kW-HR METER".
LABEL SWITCH AS "WIND GENERATOR SAFETY DISCONNECT SWITCH; REMOVING
AC POWER TO TURBINE ACTIVATES ITS SAFETY BRAKE".
BI-DIRECTIONAL UTILITY METER TO BE INSTALLED BY UTILITY COMPANY (WHEN
REQUIRED)
USE COPPER WIRES ONLY AT TURBINE TERMINALS
ALUMINUM WIRES MAY BE USED FOR HOME / UTILITY CONNECTION IF TRANSITION
WERE DONE IN A JNC. BOX. 14AWG WIRE MUST BE COPPER ONLY.
4
5
7
6
SPAN BETW'N TOWER
TOP
TO AC MAIN SERVICE
PANEL FOR COPPER WIRE
ONLY, ASSUMING GRID
USABLE AWG FOR 2%
VOLTAGE IS 220V,
TURBINE PUTS OUT 1.9kW
AND TOWER HEIGHT 35FT
315 FT.
198 FT.
125 FT.
79 FT.
AC MAIN
SERVICE
PANEL
20 A
20 A
BIDIRECTIONAL
UTILITY
KILOWATT-HOUR
METER
N/G
N
L1
L2
G
5
GROUND
SYSTEM
6
7
2
8
A
POWER LOSS (FOR
LINE AND NEUTRAL
CONDUCTORS ONLY
)
8 AWG
10 AWG
12 AWG
14 AWG
B
C
D
E
240 VAC
TO SERVICE
TRANSFORMER,
UTILITY GRID
F
Flagstaff, Arizona U.S.A.
Skystream home
grid interconnect
1-STL-10-1
dwg. n°
rev. XG
scale 1 : 1
size A
sheet 2 of 2
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