![background image](http://html.mh-extra.com/html/abb/relion-615-series/relion-615-series_technical-manual_2395667.webp)
Time in ms
Vn
Voltage
xVn
TRIP
PICKUP
(Recovery time 2,
Voltage level 2)
Voltage level 1 =
0.2Vn
Point of
fault
Voltage pickup value =
0.9Vn
500
0.8Vn
0
1500
10000
(Recovery time 1,
Voltage level 1)
(Recovery time 3,
Voltage level 3)
GUID-6C33D2DC-E569-4008-B240-8A4BCD096603 V1 EN
Figure 329:
Low voltage ride through example curve A
Vn
TRIP
PICKUP
(Recovery time 1,
Voltage level 1)
(Recovery time 2,
Voltage level 2)
(Recovery time 4,
Voltage level 4)
(Recovery time 5,
Voltage level 5)
Voltage level 1 =
0.0Vn
0.7Vn
Voltage pickup value =
0.9Vn
Time in ms
Point of
fault
150
0
700
3000
1500
(Recovery time 3,
Voltage level 3)
Voltage
xVn
GUID-234F7C66-9EC0-42B3-8B8E-E370B4305DB1 V1 EN
Figure 330:
Low voltage ride through example curve B
Table 565:
Settings for example A and B
Settings
Curve A
Curve B
Voltage start value
0.9 · Un
0.9 · Un
Active coordinates
3
5
Voltage level 1
0.2 · Un
0 · Un
Recovery time 1
500 ms
150 ms
Voltage level 2
0.8 · Un
0.7 · Un
Recovery time 2
1000 ms
150 ms
Voltage level 3
0.9 · Un
0.7 · Un
Recovery time 3
10000 ms
700 ms
Table continues on next page
1MAC059074-MB A
Section 4
Protection functions
615 series ANSI
661
Technical Manual
Содержание Relion 615 series
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