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5.3.7.3.1 Insulation
Inverter will measure the impedance between Array and PE before connect to grid.
If the impedance between Array and PE is lower than the value that set in Insulation
Settings, inverter will stop connecting to grid. There are 4 modes users can select in
Insulation settings: ON, Positive Ground, Negative Ground, or Disable. Installer can
also select different impedance according to the actual situation.
Install Settings
Inverter ID
Insulation
RCMU
Country
Grid Settings
Reconnection Time [
Ramp-up Power
5.3.7.3.2 Grid Settings
Grid settings page includes the voltage and frequency protection points.
These protection points are linked to electricity regulations.
If there is no any special requirement, please do not change any grid settings.
Grid Settings – 1/5
21. Jun 2010 13:50
[
Vac High Off
364.0 V
[
Vac High On
359.0 V
[
Vac High Off T
[
Vac Low Off
135.0 V
[
140.0 V
Vac Low On
[
Vac Low Off T
21. Jun 2010 13:50
[
001
]
[
---
]
Germany MV
60
]
S
[
]
%/m
20
Figure 5-14 : Insulation Setting
Grid Settings – 2/5
]
Vac High Off Slow
]
Vac High On Slow
]
0.0 s
Vac High Off Slow T
]
Vac Low Off Slow
]
Vac Low On Slow
]
0.1 s
Vac Low Off Slow T
Grid Settings – 5/5
Reconnection Time
Figure 5-15 : Grid Setting Page
Insulation
Mode
Resistance
ENT
EXIT
21. Jun 2010 13:50
[
]
310.0 V
[
]
305.0 V
[
2.0 s
]
[
]
216.0 V
[
]
221.0 V
[
]
2.0 s
21. Jun 2010 13:50
[
60 s
]
55
Turn on PV Inverter
21. Jun 2010 13:50
[
ON
]
[
200
] kohm
Grid Settings – 3/5
21. Jun 2010 13:50
[
Fac High Off
52.00 Hz
[
Fac High On
51.95 Hz
[
Fac High Off T
[
48.00 Hz
Fac Low Off
[
Fac Low On
48.05 Hz
[
Fac Low Off T
Grid Settings – 4/5
21. Jun 2010 13:50
Fac High Off Slow
[
52.00 Hz
[
51.95 Hz
Fac High On Slow
[
Fac High Off Slow T
[
Fac Low Off Slow
48.00 Hz
[
Fac Low On Slow
48.05 Hz
[
Fac Low Off Slow T
]
]
2.0 s
]
]
]
]
2.0 s
]
]
]
2.0 s
]
]
2.0 s
]
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