1. -
" ,
1/2011 ,
©2011 SolarEdge
1

2. -
50kW -
, ,
. -
,
,
–
,
©2011 SolarEdge 2

3. : :
• •
• •
• •
•
•
©2011 SolarEdge 3

4. ,
– TN = True Negative
– FN = False Negative
– TP = True Positive
– FP = False Positive
Source: AU Schmiegel, VoltWerk ©2011 SolarEdge 4

5. " "
:
,(' ,' )
,
,
,
©2011 SolarEdge 5

6. /
/
,
:
90%
10%
,
!16%
:
4 = 1%
4 = 1%
:
357 = 365 – 8 :
7 = 90% * 8 :
36 = 10% * 357 :
16% = 7/(36+7) :
Source: AU Schmiegel, VoltWerk ©2011 SolarEdge 6

7. !
-
120,000
100,000
80,000
60,000
40,000
20,000
0
0% 1% 2% 3% 4% 5% 6% 7% 8% 9% 10% 11% 12% 13%
40
357
" 40
" 1 "
0.5
" 55
Source: AU Schmiegel, VoltWerk ©2011 SolarEdge 7

8. , - 4,000 4
( 2kW - )
.
(smart monitoring)
©2011 SolarEdge 8

9. -
-
, ,(MPP)
,
: ,
©2011 SolarEdge 9

10. –
80kW
©2011 SolarEdge 10

11. –
©2011 SolarEdge 11

12. –
(mismatch)
©2011 SolarEdge 12

13. -
Combiner Boxes
(Ground Fault Detection – GFD)
,
, ,
,
.( )
,
String
(... )
©2011 SolarEdge 13

14. .
:
, , –
' '
–
–
,
-
©2011 SolarEdge 14

15. –
"
380kW
" ,
1826
2
2–
©2011 SolarEdge NFPA : * 15

16. –
5 –
Combiner Box (String)
Inverter
Combiner
- -
PV 12A
+ +
4A
©2011 SolarEdge 16

17. ( ) –
, String -
2.5 -
" , GFDI
250kW 5
,
©2011 SolarEdge 17

18. –
,
311
©2011 SolarEdge 18

19. ( ) –
, GFDI -
,
, ,
5-
String -
Inverter
Combiner
- -
PV 12A
+ +
4A
©2011 SolarEdge
19

20. – "
: "
. Combiner Box DC "
,
"Combiner Box 56-
*source: Bakersfield investigation report
©2011 SolarEdge 20

21. '
©2011 SolarEdge 21

22. 50MW installations in 2010
250kW, France
250kW, Czech Republic
22

23. ' – Combiner Box
Combiner Box '
String - String
String
String
(50-400mA)
AC - String
©2011 SolarEdge 23

24. Combiner Box -
'
©2011 SolarEdge 24

25. Combiner Box -
'
©2011 SolarEdge 25

26. Combiner Box -
'
©2011 SolarEdge 26

27. " "
50kW
iPhone-
:
(98% ) 12.5kW 4
PowerBox
12
25
©2011 SolarEdge 27

28. Lior Handelsman | VP Product Strategy & Business Development, Founder
:
Email: Lior.h@solaredge.com www.solaredge.com
Twitter: www.twitter.com/SolarEdgePV www.solaredge.de
Blog: www.solaredge.com/blog www.solaredge.jp
www.solaredge.fr
©2011 SolarEdge 28