Seg WIC1 User Manual

4.3.2.1 Phase Overcurrent Protection – Settings via DiggiMEC or via Smart view
The following settings are listed for the example of the »I>« protection.
For the »I>>« and »I>>>« protection stages there are the same settings and
features available.
⚙
1. ▷
Activate the protection stage and select whether it shall operate as a supervision or a
protection function, see ╚═▷ “4.1 »Prot« – General Protection Module”.
2. ▷
Select the »I>« Phase Overcurrent Characteristic:
• [Protection Para / I>] »I> . Char« =•
Options:
◦ “DEFT” (DEFinite-Time overcurrent),◦
◦ or any of the Inverse-time characteristics listed in ╚═▷ “11.2.1 Characteristics◦
(I>, I>>, I>>>)”.
3. ▷
Specify the »I>« Phase Overcurrent pickup threshold (as a number value in units of
the nominal current In):
• [Protection Para / I>] »I> . I«•
4. ▷
Only in case of De󰊟nite-Time overcurrent »I> . Char« = “DEFT”:
Specify the »I>« Phase Overcurrent tripping delay (in seconds):
• [Protection Para / I>] »I> . t«•
5. ▷
Select the »I>« Phase Overcurrent Reset Mode, that controls the reset delay:
• [Protection Para / I>] »I> . Reset Mode« =•
Options:
◦ “instantaneous” (immediate reset),◦
◦ “de󰊟nite time” (reset delay 󰊟xed to a particular time in seconds),◦
◦ “inverse time” (reset delay depends on the selected characteristic. This option◦
is not available for some curves, see ╚═▷ “11.2.1 Characteristics (I>, I>>,
I>>>)”.)
6. ▷
Only in case of an Inverse-Time characteristic with 󰊟xed reset delay, »I> . Reset
Mode« = “de󰊟nite time”:
Specify the »I>« Phase Overcurrent reset delay (in seconds):
• [Protection Para / I>] »I> . tReset«•
(Remark: For the De󰊟nite-Time overcurrent, the reset delay always equals 0.)
7. ▷
Only in case of an Inverse-Time characteristic:
Specify the »I>« Phase Overcurrent minimum trip delay (in seconds, see ╚═▷
“Explanation for All Characteristics (I>, I>>, I>>>)” for details):
• [Protection Para / I>] »I> . tMin«•
8. ▷
Only in case of an Inverse-Time characteristic:
Specify the »I>« Phase Overcurrent tripping characteristic factor (see ╚═▷
“Explanation for All Characteristics (I>, I>>, I>>>)” for details):
142 WIC1 WIC1-1.0-EN-MAN
4 Protective Elements
4.3.2.1 Phase Overcurrent Protection – Settings via DiggiMEC or via Smart view

Seg WIC1 Specifications

General

Brand	Seg
Model	WIC1
Category	Relays
Language	English