Siemens 15-FSV-500 Installatie, bediening en onderhoud - Pagina 27
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Interrupter/Operator
Description
Capacitor Trip Device
The capacitor trip device is an a u x i l i ary t r i p p i n g option p rovid
ing a short term means of sto ring adeq u ate electrical energy
to ensure breaker t r i p p i n g .
T h i s device i s a p p l i e d i n breaker i n stallations lacking i n depen
dent auxili ary control power o r statio n battery. In such i n stal
lations, control power i s usually de rived from the primary source.
I n the event of a pri mary sou rce fault, o r d i stu rbance with at-
tendant depression of the primary source voltag e , the capac
itor trip device will provide short term tripping energy for breaker
ope n i n g due to relay operation.
The capacitor t r i p converts
120
a
fu l l wave voltage which i s used to charge a large capac
DC
itor to the peak of the converted wave, see below.
Page
22
or
control voltage to
240 VAC