Seg WIC1-W3 - WIC1 Adjustment; Functional Test

SEG Electronics GmbH Technical Manual WIC1
46 DOK-TD-WIC1E, Rev. M
6.6.2 WIC1 adjustment
The protection parameters are to be adjusted according to chapter 4 of this instruction. The set parameters can be
registered directly on the sticker affixed on the relay.
6.7 Functional Test
There are two methods to carry out the tests: Primary test and secondary test.
When the primary test method is used, the test current is impressed via the primary winding.
When the secondary test method is used, the test current is impressed via the CD test winding. There are different
standard CT types available for the WIC1.
CT Type
Induced Current
Primary Current
Transformation Ratio
WIC1WE1AS1
1 A
25 A
25:1
WIC1WE2AS1
1 A
50 A
50:1
WIC1W2AS1
1 A
50 A
50:1
WIC1W3AS1
1 A
100 A
100:1
WIC1W4AS1
1 A
200 A
200:1
WIC1W5AS1
1 A
400 A
400:1
WIC1W6AS1
1 A
800 A
800:1
Table 6.1:Ratio of test current in relation to the primary current