Sel SEL-351A - Reclosing Relay States and General Operation

Date Code 20010307 Close and Reclose Logic 6-13
SEL-351A Instruction Manual
Reclosing Relay States and General Operation
)LJXUHH[SODLQVLQJHQHUDOWKHGLIIHUHQWVWDWHVRIWKHUHFORVLQJUHOD\DQGLWVRSHUDWLRQ

)LJXUH5HFORVLQJ5HOD\6WDWHVDQG*HQHUDO2SHUDWLRQ
7DEOH5HOD\:RUG%LWDQG)URQW3DQHO&RUUHVSRQGHQFHWR5HFORVLQJ5HOD\6WDWHV

5HFORVLQJ5HOD\6WDWH
&RUUHVSRQGLQJ
5HOD\:RUG%LW
&RUUHVSRQGLQJ
)URQW3DQHO/('
5HVHW 56 56
5HFORVH&\FOH &< &<
/RFNRXW /2 /2
7KHUHFORVLQJUHOD\LVLQRQHDQGRQO\RQHRIWKHVHVWDWHVOLVWHGLQ7DEOHDWDQ\WLPH:KHQ
LQDJLYHQVWDWHWKHFRUUHVSRQGLQJ5HOD\:RUGELWDVVHUWVWRORJLFDODQGWKH/('LOOXPLQDWHV
$XWRPDWLFUHFORVLQJRQO\WDNHVSODFHZKHQWKHUHOD\LVLQWKH5HFORVH&\FOH6WDWH
Lockout State
7KHUHFORVLQJUHOD\JRHVWRWKH/RFNRXW6WDWHLIDQ\RQH
RIWKHIROORZLQJRFFXUV
 7KHVKRWFRXQWHULVHTXDOWRRUJUHDWHUWKDQWKHODVWVKRWDWWLPHRIUHFORVHLQLWLDWLRQ
HJDOODXWRPDWLFUHFORVLQJDWWHPSWVDUHXQVXFFHVVIXO²VHH)LJXUH
 5HFORVHLQLWLDWLRQLVXQVXFFHVVIXOEHFDXVHRI6(/
2*,&FRQWUROHTXDWLRQVHWWLQJ5,6
>VHH5HFORVH,QLWLDWHDQG5HFORVH,QLWLDWH6XSHUYLVLRQ6HWWLQJV5,DQG5,6
UHVSHFWLYHO\ODWHULQWKLVVXEVHFWLRQ@
 7KHFLUFXLWEUHDNHURSHQVZLWKRXWUHFORVHLQLWLDWLRQHJDQH[WHUQDOWULS