![background image](http://html1.mh-extra.com/html/abb/red650/red650_technical-manual_3413554247.webp)
Function
Range or value
Accuracy
Inverse time characteristics for step 1
and step 2, see table
-
See table
Definite time delay, step 1 at 1.2 x U
set
to
0
(0.00-6000.00) s
±0.2% or ±40ms
whichever is greater
Definite time delay, step 2 at 1.2 x U
set
to
0
(0.000-60.000) s
±0.2% or ±40ms
whichever is greater
Minimum operate time, inverse
characteristics
(0.000–60.000) s
±0.5% or ±40ms
whichever is greater
Operate time, start at 2 x U
set
to 0
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 x U
set
to 0
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 x U
set
to 0
-
Impulse margin time
15 ms typically
-
9.2
Two step overvoltage protection OV2PTOV
IP14545-1 v3
9.2.1
Identification
M17002-1 v8
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-US
59
9.2.2
Functionality OV2PTOV
M13798-3 v15
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.
Two step overvoltage protection (OV2PTOV) function can be used to detect open
line ends, normally then combined with a directional reactive over-power function
to supervise the system voltage. When triggered, the function will cause an alarm,
switch in reactors, or switch out capacitor banks.
OV2PTOV has two voltage steps, each of them with inverse or definite time
delayed.
1MRK 505 394-UEN A
Section 9
Voltage protection
Line differential protection RED650 2.2 IEC
241
Technical manual
Summary of Contents for RED650
Page 1: ...RELION 650 SERIES Line differential protection RED650 Version 2 2 Technical manual...
Page 2: ......
Page 36: ...30...
Page 46: ...40...
Page 232: ...226...
Page 272: ...266...
Page 288: ...282...
Page 306: ...300...
Page 406: ...400...
Page 436: ...430...
Page 502: ...496...
Page 614: ...608...
Page 628: ...622...
Page 644: ...638...
Page 760: ...754...
Page 778: ...772...
Page 814: ...808...
Page 870: ...864...
Page 874: ...868...
Page 924: ...918...
Page 925: ...919...