![YASKAWA PVI 50TL Installation And Operation Manual Download Page 69](http://html1.mh-extra.com/html/yaskawa/pvi-50tl/pvi-50tl_installation-and-operation-manual_907564069.webp)
DOCR-070645-E
Page 69 of 102
Parameter name
Description
Setup range (lower limit,
default & upper limit)
GridVolBalance
Threshold value of grid voltage
unbalance
(0.01%,10%,10%)
4.4.2.4 L/HVRT Parameters
“L/HVRT” is for setting the Low Voltage Ride-Through (LVRT) and High Voltage
Ride-Through (HVRT) parameters. Move the cursor to this item, and press ENT to set
the parameters. Set the parameters as shown in Figure 4.11, the LVRT curve as
shown in Figure 4.12 and the HVRT curve as shown in Figure 4.13.
LVRT Curve
LVRTTime1
LVRTVol1
P1/7
1.20
0.00%
0.00
0.00%
LVRTVol2
45.00%
1.20
P2/7
10.50
65.00%
10.50
45.00%
65.00%
20.50
LVRTTime2
LVRTTime3
LVRTVol3
LVRTVol4
LVRTTime4
LVRTVol5
LVRTTime5
LVRTTime6
LVRTVol6
P3/7
20.50
83.00%
20.50
83.00%
LVRTTime7
LVRTTime8
LVRTVol7
LVRT Curve
LVRT Curve
LVRTVol8
HVRT Curve
HVRTTime1
HVRTVol1
P4/7
0.80
125.00%
0.00
125.00%
HVRTVol2
124.00%
0.80
P5/7
12.50
115.00%
12.50
124.00%
115.00%
12.50
HVRTTime2
HVRTTime3
HVRTVol3
HVRTVol4
HVRTTime4
HVRTVol5
HVRTTime5
HVRTTime6
HVRTVol6
P6/7
12.50
115.00%
12.50
115.00%
HVRTTime7
HVRTTime8
HVRTVol7
HVRT Curve
HVRT Curve
HVRTVol8
LVRT and HVRT Control
LVRTTripVolt
LVRTModeSetting
P7/7
200.0%
150.0%
80.0%
0
LVRTPstReactiveI
0
110.0%
HVRTTripVolt
HVRTModeSetting
LVRTNegReactiveI
LVRT/HVRT Setup
Setting
P1/2
System Parameters
Protection Parameters
Power Derating Setup
Reactive Power Derating Setup
ARC Parameters
Control Command
Figure 4.11 L/HVRT Parameters Setting
1
0.9
0.8
0.7
0.6
0.5
0.4
0.3
0.2
0.1
0
2 4 6 8 10 12 14 16 18 20 22
1
2
3
4
5
6
7,8
Through
Trip
V
o
lt
a
g
e
N
*r
a
te
d
Time/S
Figure 4.12 LVRT
graph