GE MiCOM P40 Agile User Manual

The comparators used for the Phase-Fault Quadrilateral zones are summarised in the following table:
Zone Line S1 S2
Condition
(∠S1 - ∠S2)
Forward/Offset Impedance Reach Line V – I.Z
I.Ð σº
<0º
Forward/Offset Reverse Impedance Reach Line V – I.Z’
I.Ð 3º
>0º
Forward/Offset Resistive Reach Line V – I.R I.Z >0º
Forward/Offset Reverse Resistive Reach Line V – I.R’ I.Z <0º
Reverse Impedance Reach Line V + I.Z
-I.Ð σº
<0º
Reverse Reverse Impedance Reach Line V + I.Z’
-I.Ð 3º
>0º
Reverse Resistive Reach Line V + I.R -I.Z >0º
Reverse Reverse Resistive Reach Line V + I.R’ -I.Z <0º
The positive sequence reach settings used for the Phase-Fault Quadrilateral characteristics are summarised in the
following table:
Zone Type Impedance Reach Z
Reverse Impedance
Reach Z’
Resistive Reach R
Reverse Resistive
Reach R’
1 Ph-Ph Forward Z1 Ph. Reach 0.25 Z ½*R1 Ph. Resistive 0.25 R
2 Ph-Ph Forward Z2 Ph. Reach 0.25 Z ½*R2 Ph. Resistive 0.25 R
3 Ph-Ph Forward Z3 Ph. Reach 0.25 Z ½*R3 Ph. Resistive 0.25 R
3 Ph-Ph Reverse Z3 Ph. Reach 0.25 Z ½*R3 Ph. Resistive 0.25 R
3 Ph-Ph Offset Z3 Ph. Reach Z3’ Ph Rev Reach ½*R3 Ph. Resistive ½*R3’ Ph Res. Rev.
4 Ph-Ph Reverse Z4 Ph. Reach Z ½*R4 Ph. Resistive 0.25 R
P Ph-Ph Forward ZP Ph. Reach Z ½*RP Ph Resistive 0.25 R
P Ph-Ph Reverse ZP Ph. Reach Z ½*RP Ph Resistive 0.25 R
P Ph-Ph Offset ZQ Ph. Reach ZP’ Ph Rev Reach ½*RP Ph Resistive ½*RP’ Ph. Res. Rev.
Q Ph-Ph Forward ZQ Ph. Reach Z ½*RQ Ph Resistive 0.25 R
Q Ph-Ph Reverse ZQ Ph. Reach Z ½*RQ Ph Resistive 0.25 R
Q Ph-Ph Offset ZQ Ph. Reach ZQ’ Ph Rev Reach ½*RQ Ph Resistive ½*RQ’ Ph. Res. Rev.
Note:
Not all zones feature in all product variations.
P543i/P545i Chapter 7 - Distance Protection
P54x1i-TM-EN-1 167

GE MiCOM P40 Agile Specifications

General

Brand	GE
Model	MiCOM P40 Agile
Category	Control Unit
Language	English