High-Impedance Differential Protection (Hixpdif); Circuit Breaker Failure Protection (Ccbrbrf); Circuit Breaker Failure Protection (Ccbrbrf) Main Settings - ABB REX640 Product Manual

REX640
Product version: 1
Table 161. High-impedance differential protection (HIxPDIF)
Characteristic
Operation accuracy
1)2)
Start time
Reset time
Reset ratio
Retardation time
Operate time accuracy in definite time mode
Measurement mode = default (depends on stage), current before fault = 0.0 × I
1)
on statistical distribution of 1000 measurements
2) Measured with static signal output (SSO)
Table 162. High-impedance differential protection (HIxPDIF) main settings
Parameter
Operate value
Minimum operate time
Table 163. Circuit breaker failure protection (CCBRBRF)
Characteristic
Operation accuracy
Operate time accuracy
Reset time
Retardation time
Table 164. Circuit breaker failure protection (CCBRBRF) main settings
Parameter
Current value
Current value Res
CB failure trip mode
CB failure mode
Retrip time
CB failure delay
CB fault delay
80
Start value
I = 2.0 × set
Fault
Start value
I = 10 × set
Fault
, f = 50 Hz, fault current in one phase with nominal frequency injected from random phase angle, results based
n n
Function
HIxPDIF
HIxPDIF
Function
CCBRBRF
CCBRBRF
CCBRBRF
CCBRBRF
CCBRBRF
CCBRBRF
CCBRBRF
Value
Depending on the frequency of the current measured: f
±1.5% of the set value or ±0.002 × I
Minimum Typical
8 ms 11 ms
7 ms 9 ms
Typically <40 ms
Typically 0.96
<35 ms
±1.0% of the set value or ±20 ms
Value (Range)
1.0...200.0 %I
n
20...300000 ms
Value
Depending on the frequency of the measured current: f
±1.5% of the set value or ±0.002 × I
±1.0% of the set value or ±20 ms
Typically 40 ms
<20 ms
Value (Range)
0.05...2.00 × I
n
0.05...2.00 × I
n
1 = 2 out of 4
2 = 1 out of 3
3 = 1 out of 4
1 = Current
2 = Breaker status
3 = Both (AND)
-1 = Both (OR)
0...60000 ms
0...60000 ms
0...60000 ms
1MRS759144 A
±2 Hz
n
n
Maximum
19 ms
11 ms
Step
1.0
10
±2 Hz
n
n
Step
0.01
0.01
-
-
10
10
10
ABB