emazys Z200, User Manual, Page: 34 / 41

Z200 PV Analyzer
User Manual
Measurement feature Z200 PV Analyzer
Frequency coverage 100 Hz to 100 kHz
Frequency accuracy +/- 2 %
Measurement feature Z200 PV Analyzer
Frequency drift with temperature
(
◦
C to 35
◦
C)
> 0.1
Measurement of short circuit current I
SC
Z200 PV Analyzer
DC current range 0-15 A
Measurement of open circuit voltage V
OC
Z200 PV Analyzer
Analysis Checks for correct polarity and voltage in-
range.
Range 0-1000V
Measurement of resistance towards
ground R
ISO
Z200 PV Analyzer
Range 0
Ω
- 40 M
Ω
Measurement time about 60 sec.
Conditions Irradiation > 100
W
m
2
and
string V
OC
> 100V
Precision (stable light conditions) +/- 50 k
Ω
+/- 10
%
Analysis Above 40M Ω , R
ISO
is returned as
R
ISO
> 40M Ω .
Below 100k Ω , R
ISO
is returned as
R
ISO
< 100k Ω
Detection and localization of ground isola-
tion fault R
ISO
Z200 PV Analyzer
Threshold for localization of a ground fault 3 M Ω
Localization precision (stable light condi-
tions) +/- 0.5 PV module
Localization resolution 0.1 PV modules
Conditions Irradiation > 100
W
m
2
String V
OC
> 100V
Analysis Fault indicated (with text in user interface)
if R
ISO
< 1 M Ω
Detection and localization of series resis-
tance fault external to the PV modules Z200 PV Analyzer
Localization of singular series fault > 10 k Ω
e.g. disconnect
X (when external to module/solar cells)
Localization precision +/- 1 PV module
Localization resolution 0.1 PV modules
Conditions Irradiation > 100
W
m
2
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