Monitored Data; Technical Data; Voltage Protection; Three-Phase Overvoltage Protection Phptov - ABB RELION REX640 Technical Manual

Section 4
Protection functions
4.4.5.10
4.4.5.11
4.5
4.5.1
4.5.1.1
766

Monitored data

Table 701: MNSPTOC Monitored data
Name Type
START_DUR FLOAT32
T_ENARESTART INT32
MNSPTOC Enum

Technical data

Table 702: MNSPTOC Technical data
Characteristic
Operation accuracy
1)2)
Start time
I
Fault
value
Reset time
Reset ratio
Retardation time
Operate time accuracy in definite time mode
Operate time accuracy in inverse time mode
Suppression of harmonics
1) Negative-sequence current before = 0.0, f
measurements
2) Includes the delay of the signal output contact
Start value multiples in range of 1.10...5.00
3)

Voltage protection

Three-phase overvoltage protection PHPTOV

Identification

Function description
Three-phase overvoltage protection
Values (Range) Unit
0.00...100.00 %
0...10000 s
1=on
2=blocked
3=test
4=test/blocked
5=off
Value
Depending on the frequency of the measured
current: f
±1.5% of the set value or ±0.002 x I
Minimum
Start
= 2.0 × set
23
Typically 40 ms
Typically 0.96
<35 ms
±1.0% of the set value or ±20 ms
±5.0% of the theoretical value or ±20 ms
DFT: -50 dB at f = n × f
= 50 Hz, results based on statistical distribution of 1000
n
IEC 61850
identification
PHPTOV
1MRS759142 C
Description
Ratio of start time /
operate time
Estimated time to reset of
block restart
Status
n
n
Typical Maximum
25 ms 28 ms
, where n = 2, 3, 4, 5,...
n
IEC 60617 ANSI/IEEE C37.2
identification device number
3U> 59
Technical Manual
3)
REX640