6.2.2 High Voltage and Low Voltage Trip
Grid Volt Limit1 Low Time
Grid Volt Limit1 Low(V)
88%Vnom
Required settings
in accordance
with UL 1741 SA
Parameter name
Default
Value
High voltage 2 HV2
High voltage 1 HV1
110%Vnom
Grid Volt Limit1 High(V)
Grid Volt Limit1 High Time
13s
21s
Low voltage 1 LV1
Low voltage 2 LV2
Note: When setting the protection time, it needs to be converted into the number of cycles of the
corresponding frequency;
50%Vnom
Grid Volt Limit2 Low(V)
Grid Volt Limit2 Low Time
2s
120%Vnom
Grid Volt Limit2 High(V)
Grid Volt Limit2 High Time
160ms
0%Vnom
Minimum
Adjustable Range
110%Vnom
1s
2s
0%Vnom
160ms
Fixed at 120%Vnom
Fixed at 160ms
88%Vnom
Maximum
Adjustable Range
120%Vnom
13s
50s
50%Vnom
21s
Fixed at 120%Vnom
Fixed at 160ms
6.2.3 High Frequency and Low Frequency Trip
Grid Freq Limit1 Low Time
Grid Freq Limit1 Low(V)
58.5Hz
Required settings
in accordance
with UL 1741 SA
Parameter name
Default
Value
High Frequency 2 HF2
High Frequency 1 HF1
61.2Hz
Grid Freq Limit1 High(V)
Grid Freq Limit1 High Time
300s
300s
Low Frequency 1 LF1
Low Frequency 2 LF2
Note: When setting the protection time, it needs to be converted into the number of cycles of the c
orresponding frequency;
56.5Hz
Grid Freq Limit2 Low(V)
Grid Freq Limit2 Low Time
160ms
62.0Hz
Grid Freq Limit2 High(V)
Grid Freq Limit2 High Time
160ms
50.0Hz
Minimum
Adjustable Range
61.0Hz
180s
180
50.0Hz
160ms
61.8Hz
160ms
Maximum
Adjustable Range
59.0Hz
66.0Hz
1000s
1000s
57.0Hz
1000s
66.0Hz
1000s
6.2.4 Specified Power factor (SPF)
Parameter name
Default Value
1
Constant Power Factor
The reactive power is controlled as a function if a specified power factor cos
φ
Disable
Constant Power Factor Mode
Under-excited/Over-excited
Under-excited
Minimum
Adjustable Range
0.8
N/A
Under-excited
Maximum
Adjustable Range
1
N/A
Over-excited
Note: Use the selected method to set Under-excited/Over-excited
39
40
6.2.5 Voltage / Var Mode ( Q(V))
The reactive power is controlled as a function of the grid voltage. The parameterize-action is carried out
by means of a reactive power/voltage characteristic curve. The absolute value of Q1 and Q4 are the same.
Vref-3%Vnom
Parameter name
Default Value
Minimum
Adjustable Range
Voltage-Reactive
Power Mode
Disable
N/A
100%Vnom
300s
Disable
95%Vnom
300s
0
-60% of nameplate
apparent power
100%Vnom
105%Vnom
N/A
Vref-2%Vnom
0
Vref+2%Vnom
5000s
60% of nameplate
apparent power
100%Vnom
60% of nameplate
apparent power
Vref+3%Vnom
Maximum
Adjustable Range
Vref
Vref adjustment
time constant
Autonomous VRef
adjustment Enable
V2
Q2
V3
Q3
N/A
N/A
Vref-18%Vnom
Open Loop
Response Time
-60% of nameplate
apparent power
Vref+18%Vnom
Vref-8%Vnom
44% of nameplate
apparent power
Vref+8%Vnom
44% of nameplate
apparent power
60% of nameplate
apparent power
V2-2%Vnom
60% of nam eplate
apparent power
V3+2%Vnom
V1
Q1
V4
Q4
-60% of nameplate
apparent power
-60% of nameplate
apparent power
5s
1s
90s