Installation
and
Operation
Manual
(Rev
A)
PVI
50
‐
100KW
Series
Inverters
DOCR
‐
070233
Page
86
of
92
8
Technical
Data
See
Appendix
for
links
to
PVI
50
‐
100KW
data
sheet
and
the
string
sizing
tool.
Input
(DC)
from
PV
array:
WARNING:
NEC
690
‐
7
must
be
followed
to
calculate
the
maximum
number
of
PV
modules
allowed
for
a
maximum
inverter
open
circuit
voltage
(OCV)
of
600V
DC
in
extreme
cold
temperatures
for
the
installation
location.
The
open
circuit
voltage
of
PV
modules
depends
on
the
cell
temperature
and
the
solar
irradiation.
The
highest
open
circuit
voltage
occurs
when
the
PV
modules
are
at
the
coldest
temperature
and
in
bright
sun.
Because
the
PV
modules
also
have
a
reduction
in
voltage
at
high
cell
temperatures,
you
must
make
sure
the
MPPT
voltage
of
the
strings
will
not
drop
below
the
minimum
inverter
DC
input
voltage
in
hot
temperature
conditions.
Both
the
maximum
open
circuit
voltage
(OCV)
when
at
maximum
cold
temperatures
and
minimum
MPPT
voltage
when
at
maximum
hot
temperatures
can
be
calculated
for
a
PV
module
using
its
specification
sheet.
PV
module
string
sizing
can
then
be
used
to
determine
how
many
modules
can
be
used
in
a
string.
Visit
http://www.solectria.com/?page_id=30
to
use
Solectria
Renewables’
interactive
string
sizing
tool.
8.1
Input
DC
(PV)
Specifications
PVI
50KW
PVI
60KW
PVI
75KW
75KW
‐
PE
PVI
85KW
85KW
‐
PE
PVI100KW
100KW
‐
PE
Unit
Standard
Units
Operating
voltage
range
300
‐
600
VDC
Input
voltage
MPPT
range
300
‐
550
VDC
Startup
Voltage
400V
VDC
Maximum
operating
input
current
176
211
264
299
351
ADC
Low
Voltage
(LV)
Units*
Operating
voltage
range
285
‐
600
VDC
Input
voltage
MPPT
range
285
‐
550
VDC
Startup
Voltage
380V
VDC
Maximum
operating
input
current
185
222
278
314
370
ADC
All
Units
Maximum
open
circuit
voltage
600
VDC
Absolute
Maximum
open
circuit
voltage
630
VDC
DC
voltage
measurement
accuracy
+/
‐
2%
DC
current
measurement
accuracy
+/
‐
2%