Microelettrica Scientifica MC2-30V, Руководство по эксплуатации

Страница: 23 / 63

MC2-30V
Doc. N°
MO-0499-ING
Copyright 2019 Date 17.03.2022 Rev. 2 Pag. 23 of 63
13. Partial Counters
Partial counters of the number of operations for each of the relay functions.
Display
→
1U> 0 Operations counters First overvoltage element
2U> 0 Operations counters second overvoltage element
1U< 0 Operations counters First undervoltage element
2U< 0 Operations counters second undervoltage element
1f> 0 Operations counters First overfrequency element
2f> 0 Operations counters second overfrequency element
1f< 0 Operations counters First underfrequency element
2f< 0 Operations counters second underfrequency element
1Uo> 0 Operations counters First zero sequence overvoltage element
2Uo> 0 Operations counters Second zero sequence overvoltage element
U1< 0 Operations counters First Voltmetric unlock islanding detector element
U2> 0 Operations counters Second Voltmetric unlock islanding detector element
1df/dt 0 Operations counters First element df/dt
2df/dt 0 Operations counters Second element df/dt
TCS 0 Operations counters Trip Circuit Supervision
IRF 0 Operations counters Internal Relay Fault
BrkF 0 Operations counters Breaker failure
AutOp 0 Operations counters Automatic C/B Opening
AutCL 0 Operations counters Automatic C/B Closing
ManOp 0 Operations counters Manual C/B Opening
ManCL 0 Operations counters Manual C/B Closing
OvrOp 0 Operations counters Overall C/B Opening (Aut Manual)
OvrCL 0 Operations counters Overall C/B Closing (Aut Manual)
Erase → Reset all Counters. (By the interface program software it is possible to individually
reset the counters and set an initial starting number)
1
•
Press “ Menu ” for access to the main menu with icons.
2
• Select “ Counter ” icon with pushbutton “ Increase ” or “ Decrease ”.
•
Press “ Select ” for access.
3
•
Select “ Display ” with pushbutton “ Increase ” or “ Decrease ”.
•
Press “ Select ” for access.
• For “ Erase ” to go to “5”
4
•
Display of the number of operations of each individual function.
• With pushbuttons “ Increase ” or “ Decrease ” scroll the parameters
•
Press “ Exit ” go back to “ 3 ”.
5
•
Select “ Erase ” with pushbutton “ Decrease ”.
• Press “ Select ” .
(if Password is request, see § Password).
6 • When command has been executed the display shows “ Command Done ”;
and return to “5”.
• With pushbutton “ Exit ” to go back to the main menu.