ALIND AN Series, User Manual

Page: 46 / 54

TEST REPORT Page 3 of 4
ANC 303
ALUMINIUM INDUSTRIES LIMITED
Relays Division
2.2 CURRENT UNBALANCE PROTECTION
Current unbalance
setting
Current Injected Delay in ms Observed Time in ms
2.5% 0.5A 20
40% 1A 100
80% 2A 500
Allowable tolerance limit is ±5%
2.3 SWITCH IN CURRENT
S/In setting Current Injected Delay in Sec Observed Time in Sec
20% = 1.0A 1.01 1
30% = 1.5A 1.52 45
40% = 2A 2.02 70
Allowable tolerance limit is ±5%
2.4 SWITCH OUT CURRENT
S/Out setting Current Injected Delay in Sec Observed Time in Sec
20% = 1.0A 0.90 60
30% = 1.5A 1.20 210
40% = 2A 1.5 360
Allowable tolerance limit in operating time is ±5%
2.5
TIME DELAY RELAY
TDR setting in min TDR observed(Sec)
1
3
10
Allowable tolerance limit in operating time is ±5%
2.6 Local Breaker Backup (LBB) Trip :Settings: OCR setting = 50%
LBB time setting
Current
Injected
Breaker status LBB Status LBB time (ms)
100ms 15A
Not operated
Operated
Operated
Not operated
500ms 10A
Not operated
Operated
Operated
Not operated
Allowable tolerance limit in operating time is ±5%