Technical Data - ABB REG650 Technical Manual

1MRK 502 043-UUS B
9.1.8
9.2
9.2.1
9.2.2
Technical Manual

Technical data

Table 142: UV2PTUV (27) technical data
Function
Operate voltage, low and
high step
Reset ratio
Inverse time
characteristics for low
and high step, see
table 505
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, open line ends on long lines etc.
Range or value
VBase
(1–100)% of
<105%
-
(0.00 - 6000.00) s
(0.000-60.000) s
(0.000–60.000) s
30 ms typically at 1.2 to 0.5 x V
40 ms typically at 0.5 to 1.2 xV
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 505
± 0.5% ± 25 ms
± 0.5% ±25 ms
± 0.5% ± 25 ms
-
set
-
set
-
set
-
IEC 60617 ANSI/IEEE C37.2
identification device number
59
2U>
SYMBOL-C-2U-SMALLER-THAN
V1 EN
Section 9
257