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EDR-5000
IM02602007E
Parameter
Description
Setting range
Default
Menu path
Criterion
Measuring method: fundamental or rms or 3rd harmonic
(only generator protection relays)
Fundamental,
True RMS
Fundamental
[Protection Para
/<1..4>
/LVRT [1]
/General Settings]
Phases
Indicates if one, two of three or all phases are required
for operation
any one,
any two,
all
any one
[Protection Para
/<1..4>
/LVRT [1]
/General Settings]
LOP Blo
Activates the use of the measuring circuit supervision. In
this case the module will be blocked if a measuring circuit
supervision module (e.g. LOP, VTS) signals a disturbed
measuring circuit (e.g. caused by a fuse failure).
Inactive,
Active
Inactive
[Protection Para
/<1..4>
/LVRT [1]
/General Settings]
AR controlled LVRT AR controlled Low Voltage Ride Through
Inactive,
Active
Inactive
[Protection Para
/<1..4>
/LVRT [1]
/General Settings]
Number of LVRT
Number of LVRT events, after that a disconnection of DR
is allowed.
Only available if:AR controlled LVRT = Active
1 - 6
1
[Protection Para
/<1..4>
/LVRT [1]
/General Settings]
t-LVRT
This timer defines the supervision interval
(window/period) for counting the number of voltage dips
to trip (“No of V dips to trip”). The first voltage ip will start
the timer. The counted number of voltage dips will be
reset if the timer is expired. The timer will also be reset if
the maximum “No of V dips to trip” is reached.
Only available if:AR controlled LVRT = Active
0.00 - 3000.00s
30.00s
[Protection Para
/<1..4>
/LVRT [1]
/General Settings]
Vstart<
A voltage dip is detected if the measured voltage falls
below this threshold.
0.00 - 1.30Vn
0.90Vn
[Protection Para
/<1..4>
/LVRT [1]
/LVRT Profile]
Vrecover>
The voltage is recovered if the measured voltage raises
above this threshold.
0.10 - 1.30Vn
0.93Vn
[Protection Para
/<1..4>
/LVRT [1]
/LVRT Profile]
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