Pickup verification (3i0 mode) – Basler Electric BE1-11g User Manual
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Step 2: Prepare to monitor the 51-1 timings. Timing accuracy is verified by measuring the elapsed time
between a sensing current change and OUT1 closing.
Step 3: Connect a current source to BE1-11g terminals D1 and D2 (A-phase).
Step 4: Using the values listed in Table 199, apply the appropriate current values, and measure the
time between the application of current and the closure of OUT1. Record the results.
Step 5: Repeat step 4 for all of the current and time dial settings for your current sensing type.
Step 6: (Optional.) Repeat steps 1 through 5 for the B-phase and C-phase current inputs. Note: Be sure
to enable proper target for each phase being tested.
Step 7: (Optional.) Repeat steps 1 through 6 for settings group 1, 2, and 3.
Step 8: (Optional.) Repeat steps 1 through 7 for 51-2, 51-3, 51-4, 51-5, 51-6, and 51-7.
Step 9: (Optional.) Repeat steps 1 through 8 with CT Circuit 2 as the source for protection systems
equipped with two sets of CTs. In step 3, replace D1 with F1, D2 with F2, etc.
Table 199. Timing Test Settings (Phase Mode)
Sensing Type
Time Dial
Applied Current
5 A
0.5
1.00 A
2.50 A
12.50 A
5.0
1.00 A
2.50 A
12.50 A
9.9
1.00 A
2.50 A
12.50 A
1 A
0.5
0.20 A
0.50 A
2.50 A
5.0
0.20 A
0.50 A
2.50 A
9.9
0.20 A
0.50 A
2.50 A
Pickup Verification (3I0 Mode)
Step 1: Use BESTCOMSPlus to send the operational settings in Table 200 to the BE1-11g. Reset all
targets.
Table 200. Operational Settings (3I0 Mode)
Setting
Value
BESTCOMSPlus Screen
Description
Phase CT
Ratio
1
System Parameters, Sensing
Transformers
Sets phase CT ratio to 1
Element
Mode
3I0
Protection, Current, Inverse Overcurrent
(51-1)
Enables 51-1 function for
3I0 mode
BE1-11g
Inverse Overcurrent (51) Test