Technical Data - ABB Relion Technical Manual

1MRK 502 048-UUS A
9.1.8
9.2
9.2.1
9.2.2
Technical manual

Technical data

Table 159: UV2PTUV (27) technical data
Function Range or value
Operate voltage, low and
high step
Reset ratio
Inverse time
characteristics for low and
high step, see table 578
Definite time delay, step 1
Definite time delays, step
2
Minimum operate time,
inverse characteristics
Operate time, pickup
function
Reset time, pickup
function
Critical impulse time
Impulse margin time
Two step overvoltage protection OV2PTOV (59)
Identification
Function description
Two step overvoltage protection
Functionality
Overvoltages may occur in the power system during abnormal conditions such as sudden
power loss, tap changer regulating failures, and open line ends on long lines.
VBase
(1–100)% of
<102%
-
(0.00 - 6000.00) s
(0.000-60.000) s
(0.000–60.000) s
30 ms typically at 1.2 to 0.5V
set
25 ms typically at 0 to 2 x V 40 ms
set
typically at 0.5 to 1.2 xV
set
10 ms typically at 1.2 to 0.8 x V
15 ms typically
IEC 61850
identification
OV2PTOV
Voltage protection
Accuracy
± 0.5% of V
n
-
See table 578
± 0.5% ± 25 ms
± 0.5% ±25 ms
± 0.5% ± 25 ms
-
-
-
set
-
IEC 60617 ANSI/IEEE C37.2
identification device number
59
3U>
SYMBOL-C-2U-SMALLER-THAN
V2 EN
Section 9
287