LOSS OF VOLTAGE CHECK FUNCTION
Function Enable
TEST-ACTIVE
&
TEST
BlockLOV = Yes
>1
STUL1N
STUL2N
STUL3N
t
tTrip
tPulse
&
&
>1
t
tBlock
&
only 1 or 2 phases are low for
at least 10 s (not three)
>1
&
>1
t
tRestore
Reset Enable
Set Enable
>1
Line restored for
at least 3 s
Latched
Enable
ANSI08000011=3=e
n=Original[1].vsd
START
TRIP
CBOPEN
BLKU
BLOCK
ANSI08000011 V3 EN
Figure 77:
Simplified diagram of Loss of voltage check LOVPTUV (27)
1MRK 511 287-UUS A
Section 7
Voltage protection
189
Technical manual
Содержание REC650 ANSI
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