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Constant cosφ
7.2.6.4.3
When this Mode is activated, the inverter will maintain the power factor as a
constant value. The range is from Cap 0.80 to Ind 0.80.
cosφ(P)
7.2.6.4.4
The output power factor would be affected by feeding power. Lock-in voltage and
Lock-out voltage are only adjustable if the country setting is either Italy BT or Italy
MT. The Inverter will feed-in reactive power depending on the active power once
the Grid voltage is higher than the Lock-in voltage. It will revert back to active
power when Grid voltage is lower than Lock-out voltage. For the countries other
than Italy, cosφ (P) control will not affect the Grid voltage.
Reactive Power Control
a
Upper limit - cosφ
Lower Power
b
c
Lower limit - cosφ
Upper Power
d
Lock-in Voltage
Reactive Power Control
Lock-out Voltage
Lock-out Voltage
Mode
Reactive Power Control
cosφ
Mode
Figure 7-21 Constant cosφ setting page
21. Jun 2010 13:50
[
Cap 0.90
]
[
0
] %
[
Ind 0.90
]
[
100
] %
[
241.5
] V
21. Jun 2010 13:50
[
[
230.0
]
]
V
[
OFF
]
Figure 7-22 cosφ(P) setting page
21. Jun 2010 13:50
[
Ind 0.90
]
[
ON
]
cosφ
Upper
a
Limit
Lower
c
Limit
Lower
Power
b
1
P/Pn
Upper
Power
d
46
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