Z0Local Zero Sequence impedance amplitude of the local section length
Z0LocalAngle Zero Sequence impedance angle of the local section length
Y1Local Positive sequence admittance amplitude of the local section length (the
conductance is neglected)
Y0Local Zero sequence admittance amplitude of the local section length (the
conductance is neglected)
Z1 J1-J2 Positive sequence impedance amplitude between J1 and J2
Z1 angle J1-J2 Positive sequence impedance amplitude of the section between J1 and J2
Z0 J1-J2 Zero sequence impedance amplitude of the section between J1 and J2
Z0 angle J1-J2 Zero sequence impedance angle of the section between J1 and J2
Y1 J1-J2 Positive sequence admittance amplitude of the section between junction J2 and
J3
Y0 J1-J2 Zero sequence admittance amplitude of the section between junction J2 and J3
Z1 J2-J3 Positive sequence impedance amplitude of the section between J2 and J3
Z1 angle J2-J3 Positive sequence impedance angle of the section between J2 and J3
Z0 J2-J3 Zero sequence impedance amplitude of the section between J2 and J3
Z0 angle J2-J3 Zero sequence impedance angle of the section between J2 and J3
Y1 J2-J3 Positive sequence admittance amplitude of the section between junction J2 and
J3
Y0 J2-J3 Zero sequence admittance amplitude of the section between junction J2 and J3
Z1 J3-J4 Positive sequence impedance amplitude of the section J3 and J4
Z1 angle J3-J4 Positive sequence impedance angle of the section between J3 and J4
Z0 J3-J4 Zero sequence impedance amplitude of the section between J3 and J4
Z0 angle J3-J4 Zero sequence impedance angle of the section between J3 and J4
Y1 J3-J4 Positive sequence admittance amplitude of the section between junction J3 and
J4
Y0 J3-J4 Zero sequence admittance amplitude of the section between junction J3 and J4
9.5 CONFIGURING THE PROTECTION COMMUNICATIONS
To configure the protection communications you need to set:
● One Scheme Addr
ess to all devices in the scheme.
● An individual Terminal Address for each device in the scheme.
You are free to assign the Scheme Address from the choice available (1-16), but if more than one protection
scheme shares communications bearers, you should set a different Scheme Address for each protection scheme.
Chapter 6 - Current Differential Protection P54A/B/C/E
118 P54xMED-TM-EN-1
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