Cb Control (Pu); Earth Fault Protection (50N/51N); Date And Time; Configuration - GE P741 Technical Manual

Technical Data
MiCOM P741, P742, P743
I>2 Function:
Disabled, 87BBP&N blocking, High Set I>2,
I>2 & 87BBP&N, 87BB/P blocking, 87BB/N
blocking, I>2 & 87BB/P or I>2 & 87BB/N
I>2 Current Set (if "I>2 function" enabled)
0.10...32.00×In (step 0.01×In)
If "I>2 function" = high set I>2
I>2 Time Delay: 0.00...100.00s (step 10ms)
If "I>2 function" = 87BB (P and/or N)
I>2 Time Delay: 0.2...6.00s (step 0.1s)

Earth Fault Protection (50N/51N)

Residual Overcurrent Function Status IN>1:
0. Disabled
1. DT
2. IEC S Inverse
3. IEC V Inverse
4. IEC E Inverse
5. UK LT Inverse
6. IEEE M Inverse
7. IEEE V Inverse
8. IEEE E Inverse
9. US Inverse
10. US ST Inverse
If "function status" ≠0
"IN >1 current set":
If "function status" =1
"IN >1 Time delay":
If "function status" ≤5
"IN >1 TMS": 0.025...1.200 (step 0.025)
If "function status" ≥6
"IN >1 Time Dial":
"IN >1 Reset Char":
If "function status" ≤5
or
"IN>1 Reset Char."=DT & "function status" ≥6
IN >1 tReset: 0.0...100.0 (step 0.1)
IN >2 Function:
Disabled, 87BBP&N blocking, High Set I>2,
I>2 & 87BBP&N, 87BB/P blocking, 87BB/N
blocking, I>2 & 87BB/P or I>2 & 87BB/N
IN>2 Current Set (if "IN>2 function" enabled):
0.10...32.00 xIn (step 0.01×In)
If "IN>2 function" = high set I>2
IN>2 Time Delay:
0.00...100.00s (step 10ms)
If "IN>2 function" = 87BB (P and/or N)
IN>2 Time Delay: 0.2...6.00 s (step 0.1s)
0.10...32.00×In
(step 0.01×In)
0.00...100.00s
(step 10ms)
0.5...15.0 (step 0.1)
DT or Inverse

CB Control (PU)

Prot Trip Pulse: 0.05...2.00s (step 10mss)
Trip Latched:
Rest Trip Latch:
CB Control by: Disabled, Local and/or
Remote and /or Opto
Man Close Pulse: 0.1...10.0s (step 10ms)
Man Trip Pulse: 0.1...5.0s (step 10ms)
Man Close Delay:
87BB Trip Delay: 0...400ms (step 5ms)
CB Superv Timer: 10...400ms (step 5ms)

Date and Time

IRIG-B Sync:
Battery Alarm:
LocalTime Enable: Disabled/Fixed/Flexible
DST Enable:

Configuration

Setting Group:
Select via Menu or Select via Opto
Active Settings:
Setting Group 1:
Setting Group 2:
Setting Group 3:
Setting Group 4:
CU Only
Diff Busbar Prot:
– Differential phase fault
– Sensitive earth fault
PU Only
Dead Zone Prot:
CB Fail & I>:
BB Trip Confirm:
Overcurrent Prot:
Earth Fault Prot:
CU & PU
Setting Values:
LCD Contrast: (Factory pre-set)
P74x/EN TD/Na7
(TD) 2-11
Disabled/Enabled
Yes/No
0...600s (step 10ms)
Disabled/Enabled
Disabled/Enabled
Disabled/Enabled
Group 1/2/3/4
Disabled/Enabled
Disabled/Enabled
Disabled/Enabled
Disabled/Enabled
Disabled/Enabled
Disabled/Enabled
Disabled/Enabled
Disabled/Enabled
Disabled/Enabled
Disabled/Enabled
Primary/Secondary
TD