Monitored Data; Technical Data; Phase Discontinuity Protection 46Pd; Identification - ABB RELION 620 Series Technical Manual

1MAC504801-IB E
4.1.7.8
4.1.7.9
4.1.8
4.1.8.1
620 series ANSI
Technical Manual

Monitored data

Table 178: 46 Monitored data
Name Type
PICKUP_DUR FLOAT32
46 Enum

Technical data

Table 179: 46 Technical data
Characteristic
Operation accuracy
1)2)
Pickup time
I = 2 × set
Fault
I = 10 × set
Fault
Reset time
Reset ratio
Retardation time
Trip time accuracy in definite time mode
Trip time accuracy in inverse time mode
Suppression of harmonics
1) Negative sequence current before fault = 0.0, f
measurements
2) Includes the delay of the signal output contact
3) Maximum Pickup value = 2.5 × I

Phase discontinuity protection 46PD

Identification

Function description
Phase discontinuity protection
Values (Range) Unit
0.00...100.00 %
1=Enabled
2=blocked
3=test
4=test/blocked
5=Disabled
Value
Depending on the frequency of the measured current:
f ±2 Hz
n
±1.5% of the set value or ±0.002 × I
Minimum
Pickup value
22 ms
14 ms
Pickup value
<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
= 60 Hz, results based on statistical distribution of 1000
n
, Pickup value multiples in range of 1.5...20
n
IEC 61850 IEC 60617
identification identification
PDNSPTOC I2/I1>
Section 4
Protection functions
Description
Ratio of pickup time / trip time
Status
n
Typical Maximum
25 ms 27 ms
17 ms 19 ms
3)
, where n = 2, 3, 4, 5,...
n
ANSI/IEEE C37.2
device number
46PD
239