⚡
FEEDER PROTECTION
IDMT & DIRECTIONALITY
⏱️
IDMT CALCULATOR
📐
DIRECTIONALITY
IDMT Tripping Time
Curve Type
Choose Curve Type
Standard Inverse (SI)
Very Inverse (VI)
Extremely Inverse (EI)
Long Time Inverse (LTI)
TMS Value
Fault Current (A)
Set Current (A)
Calculate Tripping Time
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📈 IDMT Curve Characteristics
📊 Operating Region
Fault Type
Over Current Directionality
Earth Fault Directionality
Select Phase
All Phases (R, Y, B)
R-Phase Only
Y-Phase Only
B-Phase Only
RCA Value (Degrees)
R-Phase: -90°
Y-Phase: 150°
B-Phase: 30°
Calculate Operating Region
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📊 Phase Region - Vector Diagram