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EMR-5000
IM02602012E
Setting Group Parameters of the Current Transformer Supervision
Parameter
Description
Setting range
Default
Menu path
Function
Permanent activation or deactivation of module/element. Inactive,
Active
Inactive
[Protection Para
/<1..4>
/Supervision
/CTS]
ExBlo Fc
Activate (allow) or inactivate (disallow) blocking of the
module/element. This parameter is only effective if a
signal is assigned to the corresponding global protection
parameter. If the signal becomes true, those
modules/elements are blocked that are parameterized
"ExBlo Fc=active".
Inactive,
Active
Inactive
[Protection Para
/<1..4>
/Supervision
/CTS]
ΔI
In order to prevent faulty tripping of phase selective
protection functions that use the current as tripping
criterion. If the difference of the measured ground current
and the calculated value I0 is higher than the pick up
value ΔI, an pickup event is generated after expiring of
the excitation time. In such a case, a fuse failure, a
broken wire or a faulty measuring circuit can be
assumed.
0.10 - 1.00In
0.50In
[Protection Para
/<1..4>
/Supervision
/CTS]
Pickup delay
Pickup delay
0.1 - 9999.0s
1.0s
[Protection Para
/<1..4>
/Supervision
/CTS]
Kd
Dynamic correction factor for the evaluation of the
difference between calculated and measured ground
current. This correction factor allows transformer faults,
caused by higher currents, to be compensated.
0.00 - 0.99
0.00
[Protection Para
/<1..4>
/Supervision
/CTS]
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829
Содержание EMR-5000
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