An outlined overview of this module program is given. Tables are given for the following characteristics: module power trend, packing factor trend, cell and circuit characteristics, module physical characteristics, electrical performance, cell efficiency trend, module efficiency trend and module cost trend. The principal improvements are larger modules and higher performance

Smokler, M. I.

English

NASA Technical Reports Server

BLOCK V MODULE PROGRAM 
JET PROPULSION LABORATORY 
M.I. Smokler 
Program Configuration 
Perform module design 
Manufacture 10 mcdules 
Conduct Block V qualification test sequence 
Modify design to correct problems, as necessary 
Conduct design review 
Manufacture 10 modules 
Conduct Block V qualification test sequence 
Modify aesign, as necessary, and supply m~dules for retest 
Prepare final report 
Program Status: Remaining Events 
Item 
-
Expected 
Qualification tests completed 12184 
Final reports submitted 2185 
JPL user handbook issued 3185 
https://ntrs.nasa.gov/search.jsp?R=19850024088 2020-03-22T20:05:01+00:00Z
d 
/ 
I. i 
. I 
b i PLENARY SESSIONS 
/ I 
! 
Test Experience 
Negligible problems 
Hail damage 
Unacceptable cell cracks 
Interconnect failure 
Hot spot failure 
Continuing ptroblems 
Uncured encapsulant 
Delamination 
FrameJmounting degradation 
High-voltage breakdown 
Inadequate ground continuity 
Junction box warp 
Measurement Problems Solved 
Problem Solution 
Current up to 27A High current elsctronic load 
(to 50 A nominal) 
Module diagonal up to 2.2 m Uniform irradiance field 
< 2% nan-uniformity) 
No custom-made reference cells AM 1 .S simulator spectrum 
(1 % max mirmatch) 
PLENARY SESSIONS 
Module Power Trend 
YEAR 
Packing Factor Trend 
0 l I I 1 1 1 1 I I I 
7 5 7 6 77 78 7 9 80  8 1 8 2  8 3 84 
YEAR 
Cell and Circuit Characteristics 
ARC0 
GE 
WSEC 
SOLAREX 
SPIRE 
Cell I Circuit 
Module Physical Characteristics 
Size, m Super- 
Glass 
Shape 
"Square" 
"Square" 
Rect. 
Square 
"Square" 
- .  
SOLAREX 0.96 
SPIRE 1.13 0.60 7 
Baso 
Material 
Cz 
Cz 
EFG 
Semi 
Cz 
P m l l e l  
Cells 
6 
2 
12 
9 
2 
P a c t  
Bottom Covor F ctr 
TEDIPOLYlTED 0.80 
TEDIPOLYIAI~ED 0.90 
POLYIAIITED 0.89 
POLYIMY URlTEO 0.88 
TEDLAR 0.76 
-.- 
Bypass 
Diodes 
0 
3 
0 
0 
3 
4ncludes roofing material 
PLENARY SESSIONS 
Electrical Performance 
INSOLATION: 100 m ~ 1 c m 2  
CELL TEMP: 2 5 O C  I 
lMsEc 1 ::: 1 1 5 . 3  1 11.9 1 8 . 3  9.3 1 SOLAREX 5.84 23.8 10.3 11.7 SPIRE 16.1 4.38 10.1 13.3 
aEncapsula ted 
Cell Efficiency Trend 
CELL TEMP: 25'C 
:NSOLATION: 100 m ~ l s m 2 .  AM1.5 
I I I 1 I 1 I I I 1 
7 5 7 6 7 7  7 8 79 0 (I 8 1 82 83 84 
YEAR 
- I PLENARY SESSIONS 
I 
Module Efficiency Trend 
CCLL TEMP: 2 5 O C  
INSOLATION: 100 m ~ l c m 2 .  AM1.5 
0 l 1 I I 1 I 1 1 1 1 I 
7 5 7 fi 77  7 8 73 80 8 1 82 83 84 
YEAR 
Module Cost Trend 
40 
E 
.. Orn 3 0  
z! 2 0 -  
l a  
0 
CELL TEMP: 25'C J 
INSOLATION: 103 mllcm2, AM1.5 
- 1 'i IV I - 
I I B : E 
- 
I F  ;" " .  - 
I I L L  I 1 1 -  
7 5 76 77  7 8 79 80  8 1 82 U-9 83 84 
YEAR 
The Block V Module Program will be 
completed in early 1985 
'The principal improvenients ars 
Large modules 
High performancs Tore common 
Several former design problems solved 
PLENARY SESSIONS 
Summary 


Block V module program

Abstract

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