ABB rec670 - Logic Settings

GUID-6A7DA510-E145-4C5B-A7DC-97BC4258E621 v9
Table 49. Capacitor bank protection CBPGAPC
Function Range or value Accuracy
Operate value, overcurrent (10-900)% of lBase ±2.0% of I
r
at I ≤ I
r
±2.0% of I at I > I
r
Reset ratio, overcurrent >95% at (100-900)% of IBase -
Start time, overcurrent, at 0.5 x Iset
to 2 x Iset
Min. = 5 ms
Max. = 20 ms
-
Reset time, overcurrent, at 2 x Iset to
0.5 x Iset
Min. = 25 ms
Max. = 40 ms
-
Critical impulse time, overcurrent
protection start
2 ms typically at 0.5 x Iset to 2 x Iset
1 ms typically at 0.5 x Iset to 10 x Iset
-
Impulse margin time, overcurrent
protection start
10 ms typically
Operate value, undercurrent (5-100)% of IBase ±2.0% of I
r
Reset ratio, undercurrent <105% at (30-100)% of IBase -
Operate value, reconnection inhibit
function
(4-1000)% of IBase ±1.0% of I
r
at I ≤ I
r
±1.0% of I at I > I
r
Operate value, reactive power
overload function
(10-900)% ±1.0% of S
r
at S ≤ S
r
±1.0% of S at S > S
r
Operate value, voltage protection
function for harmonic overload
(Definite time)
(10-500)% ±0.5% of U
r
at U ≤ U
r
±0.5% of U at U > U
r
Operate value, voltage protection
function for harmonic overload
(Inverse time)
(80-200)% ±0.5% of U
r
at U ≤ U
r
±0.5% of U at U > U
r
Inverse time characteristic According to IEC 60871-1 (2005) and
IEEE/ANSI C37.99 (2000)
±20% or ±200 ms whichever is greater
Maximum trip delay, harmonic
overload IDMT
(0.05-6000.00) s ±20% or ±200 ms whichever is greater
Minimum trip delay, harmonic
overload IDMT
(0.05-60.00) s ±20% or ±200 ms whichever is greater
Independent time delay, overcurrent
at 0 to 2 x Iset
(0.00-6000.00) s ±0.2% or ±30 ms whichever is greater
Independent time delay, undercurrent
at 2 x Iset to 0
(0.00-6000.00) s ±0.2% or ±60 ms whichever is greater
Independent time delay, reactive
power overload function at 0 to 2 x
QOL>
(1.00-6000.00) s ±0.2% or ±100 ms whichever is greater
Independent time delay, harmonic
overload at 0 to 2 x HOL>
(0.00-6000.00) s ±0.2% or ±35 ms whichever is greater
1MRK 511 404-BEN A
Bay control REC670 2.2
Product version: 2.2.1
68 ABB