HF81 – X CAPACITOR BLEEDER
Table 4: Single Point of Failure Test
Test without HF81
Test with HF81
Comments
Open one pin of HF81
has no influence of
discharge function as
two pins at each side for
redundancy design.
R1
R1
X Capacitor
X Capacitor
AC
AC
X CAP
BLEEDER
R2
R1
R2
R1
Short two pins at
different side leads to
the circuit equivalent to
a system without HF81.
X Capacitor
X Capacitor
AC
AC
X CAP
R2
BLEEDER
R2
HF81 Rev. 1.15
9/22/2017
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