Technical Data - ABB REG650 Technical Manual

Section 8
Current protection
8.2.8
194

Technical data

Table 78: 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 501, table 502 and table
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
lBase
(1–100)% of
(1-10000)% of lBase
(0.000-60.000) s
(0.000-60.000) s
17 curve types
503
VBase
(1–100)% of
(1–100)% of VBase
(2–100)% of IBase
IBase
(2–100)% of
(0.50-1000.00) W/phase
(0.50–3000.00) W/phase
30 ms typically at 0.5 to 2 x I
30 ms typically at 2 to 0.5 x I
30 ms typically at 0,5 to 2 x I
30 ms typically at 2 to 0,5 x I
1MRK 502 043-UUS B
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
-
-
-
set
-
set
-
N
-
N
Technical Manual