Technical Data - ABB REG650 Technical Manual

Generator protection
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1MRK 502 043-UUS B
9.3.8
9.4
9.4.1
Technical Manual

Technical data

Table 154:
ROV2PTOV (59N) technical data
Function
Operate voltage, step 1
Operate voltage, step 2
Reset ratio
Inverse time
characteristics for low
and high step, see
table
506
Definite time setting, step
1
Definite time setting, step
2
Minimum operate time for
step 1 inverse
characteristic
Operate time, pickup
function
Reset time, pickup
function
Critical impulse time
Impulse margin time
Overexcitation protection OEXPVPH (24)
Identification
Function description
Overexcitation protection
Range or value
VBase
(1-200)% of
(1–100)% of
VBase
>95%
-
(0.00–6000.00) s
(0.000–60.000) s
(0.000-60.000) s
30 ms typically at 0 to 2 x V
set
40 ms typically at 2 to 0 x V
set
10 ms typically at 0 to 1.2 xV
set
15 ms typically
IEC 61850
identification
OEXPVPH
Section 9
Voltage protection
Accuracy
± 0.5% of V
at V < V
n
± 0.5% of V at V > V
± 0.5% of V
at V < V
n
± 0.5% of V at V > V
-
See table
506
± 0.5% ± 25 ms
± 0.5% ± 25 ms
± 0.5% ± 25 ms
-
-
-
-
IEC 60617
ANSI/IEEE C37.2
identification
device number
24
U/f >
SYMBOL-Q V1 EN
n
n
n
n
271

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