4–376
869 MOTOR PROTECTION SYSTEM – INSTRUCTION MANUAL
CONTROL
CHAPTER 4: SETPOINTS
Figure 4-165: VT Fuse Failure logic diagram
COMP
ARA
T
ORS
V_
2
SETPOINT
FUNCTION
:
Disabled
Alarm
OR
OR
AND
Latched
Alarm
V
_
2
>
0
.10
p
.u
.
RUN
LED
: ALARM
/
LA
TCHED
ALARM
RESET
Command
AND
S
R
LA
TCH
#
1
Set
-
Dominant
Configurable
FlexLogic Operands
VT
Fuse Fail
1
OP
VT
Fuse
1
V Loss
TIMER
2
cyc
20
cyc
SETPOINTS
Do Not Operate
,
Operate
RELA
YS
V
_
1
<
0
.05
p
.u
.
RUN
I_
1
>
0
.075
p
.u
.
RUN
V
_
1
<
0
.80
p
.u
.
RUN
I_
1
<
0
.05
p
.u
.
RUN
V_
1
I_
1
AND
OR
AND
AND
OR
S
R
S
R
LA
TCH
#
2
Reset
-
Dominant
LA
TCH
#
3
Reset
-
Dominant
AND
AND
AND
OR
|I_
1
|
–
|I
_
1
'| >
0
.04
p
.u
.
|I_
2
|
–
|I
_
2
'| >
0
.04
p
.u
.
|I_
0
|
–
|I
_
0
'| >
0
.04
p
.u
.
Where I'
is
2
cycles old
I_
2
I_
0
OR
RUN
RUN
RUN
AND
AND
AND
OR
FUSE
F
AILURE
F
AUL
T
89
2
$
.cdr
Содержание 869
Страница 10: ...VIII 869 MOTOR PROTECTION SYSTEM INSTRUCTION MANUAL ...
Страница 48: ...1 38 869 MOTOR PROTECTION SYSTEM INSTRUCTION MANUAL FOR FURTHER ASSISTANCE CHAPTER 1 INTRODUCTION ...
Страница 78: ...2 30 869 MOTOR PROTECTION SYSTEM INSTRUCTION MANUAL ELECTRICAL INSTALLATION CHAPTER 2 INSTALLATION ...
Страница 127: ...CHAPTER 3 INTERFACES SOFTWARE INTERFACE 869 MOTOR PROTECTION SYSTEM INSTRUCTION MANUAL 3 49 ...
Страница 129: ...CHAPTER 3 INTERFACES SOFTWARE INTERFACE 869 MOTOR PROTECTION SYSTEM INSTRUCTION MANUAL 3 51 ...
Страница 538: ...4 406 869 MOTOR PROTECTION SYSTEM INSTRUCTION MANUAL TESTING CHAPTER 4 SETPOINTS ...
Страница 578: ...6 22 869 MOTOR PROTECTION SYSTEM INSTRUCTION MANUAL FLEXELEMENTS CHAPTER 6 METERING ...
Страница 592: ...7 14 869 MOTOR PROTECTION SYSTEM INSTRUCTION MANUAL CLEAR RECORDS CHAPTER 7 RECORDS ...