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PV-ISOTEST
EN - 27
10.
With no fault conditions (Rp
≥
Lim)
, the instrument
shows the screen to the side and the message “
OK
”
appears on the display.
GFL
15/10 – 18:04
R p > 1 0 0 M
V P N V P E V N E
1 4 8 0 V - 7 5 0 V 7 4 8 V
OK
14 1500V 0.10M
NMOD
Vtest. Lim.
11.
In case a fault is present (Rp<Lim) in position 0
(upstreams of the first module)
, the instrument shows
the screen to the side and the message “
GND: Fault
(+)..1
” on the display.
Check the insulation state of the
conductor (+) coming from the string
GFL
15/10 – 18:04
R p 0 . 0 M
V P N V P E V N E
1 4 8 0 V - 7 5 0 V 7 4 8 V
GND: Fault (+)..1
14 1500V 0.10M
NMOD
Vtest. Lim.
12.
In case a fault is present (Rp<Lim) in position
NMOD+1 (downstream of the last module)
, the
instrument shows the screen to the side and the message
“
GND: Fault NMOD..(-)
” on the display.
Check the
insulation state of the conductor (-) coming from the string
GFL
15/10 – 18:04
R p 0 . 0 M
V P N V P E V N E
1 4 8 0 V - 7 5 0 V 7 4 8 V
GND:Fault 14...(-)
14 1500V 0.10M
NMOD
Vtest. Lim.
13.
In case a fault is present (Rp<Lim) in position 1
(between module 1 and 2)
, the instrument shows the
screen to the side and the message “
GND:Fault 1..2
” on
the display.
Check the state of insulation of the junction
boxes of the modules indicated (1 and 2 in the example)
and related connection cables
GFL
15/10 – 18:04
R p 0 . 0 M
V P N V P E V N E
1 4 8 0 V - 7 5 0 V 7 4 8 V
GND: Fault 1..2
14 1500V 0.10M
NMOD
Vtest. Lim.