Protective Elements
Parameter
Description
Setting range
Default
Menu path
Dropout Threshold
Mechanical load
reclosure current
(Dropout of Load
shedding) as multiplier of
Ib.
0.50 - 1.50Ib
0.50Ib
[Protection Para
/<n>
/MLS]
t-Drop Delay
Dropout delay time
0.0 - 5.0s
1.0s
[Protection Para
/<n>
/MLS]
Load Shedding Input States
Name
Description
Assignment via
ExBlo1-I
Module input state: External blocking1
[Protection Para
/Global Prot Para
/MLS]
ExBlo2-I
Module input state: External blocking2
[Protection Para
/Global Prot Para
/MLS]
Load Shedding Signals (Output States)
Name
Description
active
Signal: active
ExBlo
Signal: External Blocking
Alarm
Signal: Alarm
Trip
Signal: Trip
Commissioning: Mechanical Load Shedding
Object to be tested:
•
Testing the pick-up and drop-out thresholds and
•
Testing the delay times.
Necessary means:
•
3-phase current source;
•
Ammeter; and
•
Timer for measuring of the tripping times.
Procedure
Testing the threshold values (three-phase)
This test is only possible, if the motor is in run mode.
Page 358
EN MRM4 01/11
Содержание MRM4
Страница 1: ...MRM4 HighPROTEC Motor Protection Device Manual DOK HB MRM4E...
Страница 3: ...Order Code EN MRM4 01 11 Page 3...
Страница 18: ...Important Definitions Page 18 EN MRM4 01 11 41 SG Prot ON 42 SG ON Cmd SG Prot ON SG ON Cmd...
Страница 115: ...Navigation Operation Navigation Operation EN MRM4 01 11 Page 115 1 2 3 5 7 6 8 10 9...
Страница 162: ...Recorder Name Description I 2 TripCmd Signal Trip Command Page 162 EN MRM4 01 11...