Function
Range or value
Accuracy
Definite time delay, low step (step 1) at 0
to 1.2 x U
set
(0.00 - 6000.00) s
±0.2% or ±45 ms
whichever is greater
Definite time delay, high step (step 2) at 0
to 1.2 x U
set
(0.000-60.000) s
±0.2% or ±45 ms
whichever is greater
Minimum operate time, Inverse
characteristics
(0.000-60.000) s
±0.2% or ±45 ms
whichever is greater
Operate time, start at 0 to 2 x U
set
Min. = 15 ms
Max. = 30 ms
-
Reset time, start at 2 x U
set
to 0
Min. = 15 ms
Max. = 30 ms
-
Operate time, start at 0 to 1.2 x U
set
Min. = 20 ms
Max. = 35 ms
-
Reset time, start at 1.2 x U
set
to 0
Min. = 5 ms
Max. = 25 ms
-
Critical impulse time
10 ms typically at 0 to 2 x U
set
-
Impulse margin time
15 ms typically
-
7.3
Two step residual overvoltage protection
ROV2PTOV
IP14546-1 v4
7.3.1
Identification
SEMOD54295-2 v6
Function description
IEC 61850
identification
IEC 60617
identification
ANSI/IEEE C37.2
device number
Two step residual overvoltage
protection
ROV2PTOV
2(U0>)
IEC15000108 V1 EN-US
59N
7.3.2
Monitored data
PID-3531-MONITOREDDATA v4
Table 114:
ROV2PTOV Monitored data
Name
Type
Values (Range)
Unit
Description
ULevel
REAL
-
kV
Magnitude of measured
voltage
7.3.3
Operation principle
M15331-3 v8
Two step residual overvoltage protection ROV2PTOV is used to detect a high
residual voltage. The residual voltage can be measured directly from a voltage
transformer in the neutral of a power transformer or from a three-phase voltage
Section 7
1MRK 505 384-UEN A
Voltage protection
190
Breaker protection REQ650 2.2 IEC
Technical manual
Содержание impreza 2017
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