Date Code 20010215
Applications
5-19
SEL-321-5 Instruction Manual
Loss-of-Potential (LOP) Enable Setting (ELOP)
)XVHVRUPROGHGFDVHFLUFXLWEUHDNHUVRIWHQSURWHFWWKHVHFRQGDU\ZLQGLQJVRIWKHSRZHUV\VWHP
SRWHQWLDOWUDQVIRUPHUV$QRSHUDWLRQRIRQHRUPRUHIXVHVRUPROGHGFDVHFLUFXLWEUHDNHUVUHVXOWV
LQDORVVRISRODUL]LQJSRWHQWLDOLQSXWVWRWKHUHOD\/RVVRIRQHRUPRUHSKDVHYROWDJHVSUHYHQWV
WKHUHOD\IURPSURSHUO\GLVFULPLQDWLQJIDXOWGLUHFWLRQ
%HFDXVHRFFDVLRQDOORVVRISRWHQWLDOWRWKHUHOD\LVXQDYRLGDEOHGHWHFWLRQRIWKLVFRQGLWLRQLV
GHVLUDEOH2QFHDWUXH/23FRQGLWLRQLVGHWHFWHG\RXPD\HOHFWWREORFNGLVWDQFHHOHPHQW
RSHUDWLRQDQGLVVXHDQDODUP
7KHUHOD\GLVFULPLQDWHVEHWZHHQIDXOWVZKLFKPD\UHGXFHYROWDJHPDJQLWXGHVWRQHDUO\]HUR
DQGORVVRISRWHQWLDOFRQGLWLRQV7KHIROORZLQJHTXDWLRQVKRZVWKH/23GHWHFWLRQORJLFIRUWKH
UHOD\
6(7/23 >1271)151/@
'HWHFWVWKHSUHVHQFHRI]HURVHTXHQFHYROWDJHLQ
WKHDEVHQFHRI]HURVHTXHQFHFXUUHQW
>1273/1270@
'HWHFWVWKHDEVHQFHRISRVLWLYHVHTXHQFH
YROWDJHLQWKHDEVHQFHRIFXUUHQWDERYHWKH0
VHWWLQJ
:KHUH
1/
/RZVHW]HURVHTXHQFHRYHUYROWDJHGHWHFWRU
1)
/RZVHWUHVLGXDORYHUFXUUHQWGHWHFWRU
15
/RZVHWUHVLGXDORYHUFXUUHQWGHWHFWRU
3/
/RZVHWSRVLWLYHVHTXHQFHRYHUYROWDJHGHWHFWRU
0
/RZVHWSKDVHRYHUFXUUHQWHOHPHQW
)RURQHRUPRUHEORZQ37IXVHVWKHUHOD\GHFODUHVDQ/23FRQGLWLRQZKHQWKHPHDVXUHG]HUR
VHTXHQFHYROWDJHH[FHHGVWKH1/VHWWLQJDQGWKHUHVLGXDOFXUUHQWLVEHORZWKH1)DQG15
VHWWLQJV7KHVHFRQGLWLRQVPXVWH[LVWIRUWKH/23'WLPHGHOD\IRUWKH/23HOHPHQWWRVHW
)RUWKUHHEORZQ37IXVHVWKHUHOD\GHFODUHVDQ/23FRQGLWLRQZKHQWKHPHDVXUHGSRVLWLYH
VHTXHQFHYROWDJHLVEHORZWKH3/DQGWKHORZVHWSKDVHRYHUFXUUHQWGHWHFWRU0LVQRW
SLFNHGXS
<RXGHWHUPLQHKRZWKHUHOD\XVHVORVVRISRWHQWLDOGHWHFWLRQE\VHOHFWLQJWKH(/23VHWWLQJ7KH
(/23VHWWLQJFKRLFHVDQGWKHLUDVVRFLDWHGUHVXOWVDUH
1
5HOD\VHWV/23HOHPHQWZKHQ/23FRQGLWLRQLVGHWHFWHG
'LVWDQFHDQGGLUHFWLRQDOHOHPHQWVDUHQRWEORFNHG
6HWWKH/23HOHPHQWLQD6(/
2*,&
FRQWUROHTXDWLRQWRLQGLFDWHFRQGLWLRQLI
GHVLUHG
<
5HOD\VHWV/23HOHPHQWZKHQ/23FRQGLWLRQLVGHWHFWHG
'LVWDQFHHOHPHQWVDUHEORFNHGDQGGLUHFWLRQDOHOHPHQWVGHIDXOWIRUZDUG
6HWWKH/23HOHPHQWLQD6(/
2*,&
FRQWUROHTXDWLRQWRLQGLFDWHWKH/23
FRQGLWLRQLIGHVLUHG
7KH1)15DQG1/HOHPHQWVDUHUHTXLUHGWREHVHWDERYHWKHQRUPDOH[SHFWHGV\VWHP
XQEDODQFH
Summary of Contents for SEL-321-5
Page 6: ......
Page 8: ......
Page 16: ......
Page 70: ...2 50 Specifications Date Code 20010215 SEL 321 5 Instruction Manual LJXUH RJLF 6 PERO HJHQG ...
Page 88: ...2 68 Specifications Date Code 20010215 SEL 321 5 Instruction Manual LJXUH 9ROWDJH OHPHQW RJLF ...
Page 106: ......
Page 152: ......
Page 158: ......
Page 252: ......
Page 253: ...SEL DIRECTION AND POLARITY CHECK FORM ...
Page 254: ......
Page 255: ...SEL DIRECTION AND POLARITY CHECK FORM ...
Page 256: ......
Page 260: ......
Page 318: ......
Page 322: ......
Page 326: ......
Page 328: ......
Page 330: ......
Page 334: ......
Page 336: ......
Page 338: ......
Page 344: ......