ABB Relion 670 Series Technical Reference Manual page 383

Line differential protection ansi
Hide thumbs Also See for Relion 670 Series:
Table of Contents

Advertisement

1MRK505222-UUS C
Name
Values (Range)
tVN
0.000 - 60.000
tOffVN
0.000 - 60.000
tIN
0.000 - 60.000
Technical reference manual
Unit
Step
s
0.001
s
0.001
s
0.001
Table 183:
PPLPHIZ technical data
Function
Operate value, phase-to-phase
and phase-to-neutral
undervoltage
Reset ratio, undervoltage
Operate value, residual voltage
Reset ratio, residual voltage
Operate value, residual current
Reset ratio, residual current
Timers
Operating mode
Default
Description
0.100
Pickup-delay for residual voltage
0.100
Dropoff-delay for residual voltage
0.150
Pickup-delay for residual current
Range or value
(10.0 - 100.0)% of VBase
< 105%
(5.0 - 70.0)% of VBase
> 95%
(10 - 200)% of IBase
> 95%
(0.000 - 60.000) s
No Filter, NoPref
Cyclic: 1231c, 1321c
Acyclic: 123a, 132a, 213a, 231a,
312a, 321a
Section 6
Impedance protection
Accuracy
± 0,5% of V
n
-
± 0,5% of V
n
-
± 1,0% of I
for I < I
n
n
± 1,0% of I for I > I
n
-
± 0,5% ± 10 ms
377

Advertisement

Table of Contents
loading

This manual is also suitable for:

Relion red670

Table of Contents