Technical Data - ABB Relion Technical Manual

1MRK 502 048-UUS A
8.2.9
Technical manual

Technical data

Table 95: EF4PTOC (51N/67N) technical data
Function
Operate current
Reset ratio
Operate current for directional
comparison, Zero sequence
Operate current for directional
comparison, Negative sequence
Min. operating current
Minimum operate time for inverse
characteristics
Timers
Inverse characteristics, see table
574, table 575 and table 576
Minimum polarizing voltage, Zero
sequence
Minimum polarizing voltage,
Negative sequence
Minimum polarizing current, Zero
sequence
Minimum polarizing current,
Negative sequence
Real part of source Z used for
current polarization
Imaginary part of source Z used
for current polarization
Operate time, non-directional
pickup function
Reset time, non-directional
pickup function
Operate time, directional pickup
function
Reset time, directional pickup
function
1)
Note: Timing accuracy only valid when 2nd harmonic blocking is turned off.
Range or value
lBase
(1-2500)% of
> 95%
lBase
(1–100)% of
(1–100)% of lBase
lBase
(1-10000)% of
(0.000-60.000) s
(0.000-60.000) s
15 curve types
VBase
(1–100)% of
VBase
(1–100)% of
(2–100)% of IBase
(2–100)% of IBase
(0.50-1000.00) W/phase
(0.50–3000.00) W/phase
30 ms typically at 0.5 to 2 x I
set
30 ms typically at 2 to 0.5 x I
set
30 ms typically at 0,5 to 2 x I
N
30 ms typically at 2 to 0,5 x I
N
Section 8
Current protection
Accuracy
± 1.0% of I at I < I
n n
± 1.0% of I at I > I
n
-
± 2.0% of I
n
± 2.0% of I
n
± 1.0% of I at I < I
n n
± 1.0% of I at I >I
n
± 0.5% ± 25 ms
± 0.5% ±25 ms
1)
ANSI/IEEE C37.112
IEC 60255–151
±3% or ±40 ms
0.10 ≤ k ≤ 3.00
1.5 x I ≤ I ≤ 20 x I
set set
± 0.5% of V
n
± 0.5% of V
n
±1.0% of I
n
±1.0% of I
n
-
-
-
-
-
-
221