ABB REL650 Product Manual page 53

Line distance protection
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Line distance protection REL650 ANSI
Product version: 1.3
Table 37. Sensitive directional residual overcurrent and power protection SDEPSDE (67N) , continued
Function
Operate time, non-directional
residual over current
Reset time, non-directional
residual over current
Operate time, non-directional
residual overvoltage
Reset time, non-directional
residual overvoltage
Operate time, directional
residual over current
Reset time, directional
residual over current
Critical impulse time non-
directional residual over
current
Impulse margin time non-
directional residual over
current
Table 38. Time delayed 2-step undercurrent protection UC2PTUC (37)
Function
Low-set step of undercurrent limit, (step 1)
High-set step of undercurrent limit, (step 2)
Time delayed operation of low-set step, (step 1)
Time delayed operation of high-set step, (step 2)
Reset ratio
ABB
Range or value
60 ms typically at 0 to 2 x I
set
65 ms typically at 2 to 0 x I
set
45 ms typically at 0.8 to 1.5 x U
85 ms typically at 1.2 to 0.8 x U
140 ms typically at 0.5 to 2 x I
set
85 ms typically at 2 to 0.5 x I
set
35 ms typically at 0 to 2 x I
set
25 ms typically
set
set
1MRK 506 337-BUS B
Accuracy
60 ms typically at 0 to 2 x 1
65 ms typically at 2 to 0 x 1
45 ms typically at 0.8 to 1.5 x U
85 ms typically at 1.2 to 0.8 x U
-
-
-
-
Setting range
Accuracy
IBase in
(5.0-100.0)% of
± 1.0 % of I
steps of 1.0%
IBase in
(5.0-100.0)% of
± 1.0 % of I
steps of 1.0%
(0.000-60.000) s in steps of
± 0.5 % ± 25 ms
1 ms
(0.000-60.000) s in steps of
± 0.5 % ± 25 ms
1 ms
<105%
set
set
set
set
n
n
53

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