Table 3.4-1 46Bc Test Currents; Table 3.4-2 46Bc Test Results; Table 3.4-3 46Bc Operate Time; Table 3.4-4 46Bc Element Blocking - Siemens 7PG2113 Technical Manual

Inject 1A of balanced current. Gradually increase imbalance current, operating level should be as follows:
46BC Setting
20%
25%
30%
35%
40%
46BC Setting 3P balanced current (A)
Apply 1A 1P unbalance current without 3P balanced current. Measure 46BC operating time.
46BC Delay setting
3.4.1.1 Element Blocking
The Broken Conductor element can be blocked by Binary Input Inhibit. This functionality should be checked.
Element
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Table 3.4-1 46BC Test Currents
1P unbalance current (A)
Table 3.4-2 46BC Test Results
Table 3.4-3 46BC Operate Time
46BC
Table 3.4-4 46BC Element Blocking
7PG2113/4/5/6 Commissioning & Maintenance
1P unbalance current
(% of 3P current)
75%
100%
129%
161%
200%
Measured Unbalance
current
Measured
BI Inhibits
Chapter 6 Page 67 of 77