Date Code 20010213
Maintenance and Testing
7-45
SEL-321-3 Instruction Manual
7KHUHDFWDQFHPHDVXUHGE\WKHUHOD\JURXQGTXDGULODWHUDOGLVWDQFHHOHPHQWIRUD
=RQHIDXOWLVGHILQHGE\WKHIROORZLQJHTXDWLRQ
(
)
(
)
(
)(
)
(
)
7
,
,
N
,
$1*
=
,P
7
,
9
,P
;
5
5
$
5
$
$*
µ
¼
¼
+
µ
µ
¼
=
(TXDWLRQ
:KHUH
N N0
µ
N$
7 1RQKRPRJHQRXVV\VWHPFRPSHQVDWLRQVHWWLQJ
)RUDIDXOWRQDUDGLDOV\VWHPDQGZKHQWHVWLQJDJURXQGGLVWDQFHHOHPHQWXVLQJD
VLQJOHFXUUHQWVRXUFH,
$
,
5
(TXDWLRQFDQEHVLPSOLILHG
(
)
(
)
(
)
(
)
(
)
7
,
,
N
$1*
=
,P
7
,
9
,P
;
$
$
$
$
$*
µ
¼
¼
¼
+
¼
µ
µ
¼
=
(TXDWLRQ
:KHQ7 DVLWGRHVLQWKHH[DPSOHUHOD\VHWWLQJV(TXDWLRQFDQEHIXUWKHU
6LPSOLILHGXVLQJWKHIROORZLQJLGHQWLW\
( ) ( )
( )
(
)
(
)
(
)
N
,
$1*
=
,P
,
9
,P
;
,
,
,
$
$
$
$*
$
$
$
+
¼
¼
µ
=
¼
=
(TXDWLRQ
,IZHVHOHFWDYDOXHIRU9
$
LWWKHQEHFRPHVSRVVLEOHWRXVH(TXDWLRQWRFDOFXODWH
WKHPDJQLWXGHDQGDQJOHRI,
$
UHTXLUHGWRWHVWWKH=RQHJURXQGTXDGULODWHUDO
GLVWDQFHHOHPHQWUHDFWLYHUHDFK
)RUWKHH[DPSOHVHOHFW9
$
µ
7RVLPSOLI\WKHUHDFWDQFHFDOFXODWLRQVHOHFW
WKHDQJOHRI,
$
ZLWKUHVSHFWWR9
$
)RUWKH=RQHHOHPHQW;*
W
µ
=$1* DQGN
µ
(
)
(
)
(
)
-
µ
+
¼
µ
¼
µ
¼
µ
=
,P
,
,
,P
$
$
7KHUHVXOWRIFRPSXWLQJWKHLPDJLQDU\SRUWLRQRI9
$
¼
,
$
ZKHQ,
$
ODJV9
$
E\LV
(
)
$
$
$
$
,
9
,
9
,P
¼
=
µ
¼
µ
6XEVWLWXWLQJWKLVLQWRWKHHTXDWLRQDERYH\LHOGV
(
)
,
,
$
$
¼
¼
=
6ROYLQJIRUWKHPDJQLWXGHRI,
$
\LHOGV
(
) (
)
DPSV
,
,
$
$
=
¼
=
Summary of Contents for SEL-321-3
Page 4: ......
Page 6: ......
Page 8: ......
Page 71: ...Date Code 20010213 Specifications 2 51 SEL 321 3 Instruction Manual LJXUH RJLF 6 PERO HJHQG ...
Page 87: ...Date Code 20010213 Specifications 2 67 SEL 321 3 Instruction Manual LJXUH 9ROWDJH OHPHQW RJLF ...
Page 102: ......
Page 150: ......
Page 156: ......
Page 167: ...Date Code 20010213 Event Reporting 4 11 SEL 321 3 Instruction Manual ...
Page 172: ......
Page 261: ...SEL DIRECTION AND POLARITY CHECK FORM ...
Page 262: ......
Page 263: ...SEL DIRECTION AND POLARITY CHECK FORM ...
Page 264: ......
Page 268: ......
Page 330: ......
Page 350: ......
Page 352: ......
Page 354: ......
Page 360: ......
Page 366: ......
Page 380: ......