ABB Relion REG670, Техническое руководство, Страница: 497 / 1298

9.1.8 Technical data
Table 269: UV2PTUV technical data
Function Range or value Accuracy
Operate voltage, low
and high step
(1.0–100.0)% of
UBase
±0.5% of U
r
Absolute hysteresis (0.0–50.0)% of
UBase
±0.5% of U
r
Internal blocking
level, step 1 and step
2
(1–50)% of
UBase
±0.5% of U
r
Inverse time
characteristics for
step 1 and step 2, see
table 971
- See table 971
Definite time delay,
step 1 at 1.2 to 0 x
U
set
(0.00-6000.00) s ±0.2% or ±40ms whichever is
greater
Definite time delay,
step 2 at 1.2 to 0 x
U
set
(0.000-60.000) s ±0.2% or ±40ms whichever is
greater
Minimum operate
time, inverse
characteristics
(0.000–60.000) s ±0.2% or ±40ms whichever is
greater
Operate time, start at
2 to 0 x U
set
Min= 15 ms
Max= 30 ms
-
Reset time, start at 0
to 2 x U
set
Min= 15 ms
Max= 30 ms
-
Operate time, start at
1.2 to 0 x U
set
Min= 5 ms
Max= 25 ms
-
Reset time, start at 0
to 1.2 x U
set
Min= 15 ms
Max= 35 ms
-
Critical impulse time 5 ms typically at 1.2 to 0 x U
set
-
Impulse margin time 15 ms typically -
9.2 Two step overvoltage protection OV2PTOV
9.2.1 Identification
Function description IEC 61850
identification
IEC 60617 identification ANSI/IEEE C37.2
device number
Two step overvoltage protection OV2PTOV
3U>
SYMBOL-C-2U-SMALLER-THAN V2 EN
59
1MRK502052-UEN B
Section 9
Voltage protection
491
Technical manual