Microelettrica Scientifica MC20-CEI, Operation Manual

Page: 12 / 35

MC20-CEI
Doc. N°
MO-0431-ING
Microelettrica Scientifica S.p.A. - Copyright 2009 FW 1080.36.03.X Date 18.11.2011 Rev. 3 Pag. 12 of 35
2.2.5.7 – 67S1 – First Directional Earth Fault protection level
Stato
(Status)
→
Abilit. [Disabl.( Disable ) / Abilit.( Enable )]
Opzioni
(Options)
→
BI Disab. [Disabl.( Disable ) / Abilit.( Enable )]
Livelli
(Trip Level)
→
Io.1 1.00 %
(1
÷
10)
step 0.01 %
→
Uo.1 3.50 %
(1
÷
40)
step 0.01 %
→
aA.1 260 °
(0
÷
360)
step 1 °
→
aB.1 350 °
(0
÷
360)
step 1 °
Tempi
(Timer)
→
t67.1 1.00 s
(0.05
÷
1.00)
step 0.01 s
Stato
(Status)
: If disable the function is disactivated
BI : Operation controlled by Blocking Digital Input
Io.1 : Trip level
Uo.1 : Trip level
aA.1 : First angle trip sector
aB.1 : Second angle trip sector
t67.1 : Trip time delay
2.2.5.8 – 67S2 – Second Directional Earth Fault protection level
Stato
(Status)
→
Abilit. [Disabl.( Disable ) / Abilit.( Enable )]
Opzioni
(Options)
→
BI Disab. [Disabl.( Disable ) / Abilit.( Enable )]
Livelli
(Trip Level)
→
Io.2 2.00 %
(1
÷
10)
step 0.01 %
→
Uo.2 3.50 %
(1
÷
40)
step 0.01 %
→
aA.2 100 °
(0
÷
360)
step 1 °
→
aB.2 280
°
(0
÷
360)
step 1
°
Tempi
(Timer)
→
t67.2 0.70 s
(0.05
÷
1.00)
step 0.01 s
Stato
(Status)
: If disable the function is disactivated
BI : Operation controlled by Blocking Digital Input
Io.2 : Trip level
Uo.2 : Trip level
aA.2 : First angle trip sector
aB.2 : Second angle trip sector
t67.2 : Trip time delay