72
DMC3S - Manual - 08 - 2021
I
E
I
E
3V
o
3V
o
3V
o
3V
o
I
E
≥
1
&
&
foglio 3
P
&
State
I
ED>inv
I
E
∙cos
ϕ
≥
I
ED>inv
I
E
∙cos
ϕ
≥
0
I
ED>def
Angle
Semisector
&
State
I
E
∙cos
ϕ
≥
I
ED>def
I
E
≥
1
&
State
I
ED>inv
I
E
∙cos
ϕ
≥
I
ED>inv
I
ED>def
&
State
I
E
∙cos
ϕ
≥
I
ED>def
I
E
≥
1
&
State
I
ED>inv
I
E
∙cos
ϕ
≥
M∙I
ED>inv
I
ED>def
&
State
I
E
∙cos
ϕ
≥
M∙I
ED>def
OFF
ON
Insens-Zone
Φ
E
inside trip sector
I
E
Φ
E
inside trip sector
≥
1
≥
1
&
State
U
ED>inv
≥
U
ED>def
≥
U
ED>inv
U
ED>def
&
State
3V
o
I
E
I
E
∙cos
ϕ
≥
0
&
≥
1
&
State
U
ED>inv
≥
M∙U
ED>def
≥
M∙U
ED>inv
U
ED>def
&
State
&
≥
1
&
State
U
ED>inv
≥
U
ED>def
≥
U
ED>inv
U
ED>def
&
State
3V
o
I
E
TRIP
3V
o
I
E
TRIP
I
E
Insens-Zone
OFF
ON
U
E
U
EC
3Votype67N
3V
o
I
I∙cos
Mode67N
≥
M∙threshold
M
Insens-Zone OFF
Insens-Zone ON
Common configurations
IE
Trip
sector
Characteristic
angle
ΦΕ
ϕ
UE
UEC
Characteristic semi-axis
Angular trip sector
semi-amplitude
Functional diagram of the first threshold (IED>) of the ground directional overcurrent function 67N - Projection mode (sheet 2 of 3)