Siemens Solkor 7PG2113 Technical Manual page 265

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.
©2012 Siemens Protection Devices Limited
Table 3.4-1
Table 3.4-2
Table 3.4-3
Element
46BC
Table 3.4-4
7PG2113/4/5/6 Commissioning & Maintenance
1P unbalance current
(% of 3P current)
75%
100%
129%
161%
200%
46BC Test Currents
1P unbalance current (A)
46BC Test Results
Measured
46BC Operate Time
46BC Element Blocking
Measured Unbalance
current
BI Inhibits
Chapter 6 Page 67 of 77