Differential Protection; High Impedance Differential Protection, Single Phase Hzpdif (87); Identification; Application - ABB Relion 670 Series Applications Manual

Bay control, version 2.1 ansi
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1MRK 511 358-UUS A
Section 6
6.1
High impedance differential protection, single phase
HZPDIF (87)
6.1.1

Identification

Function description
High impedance differential
protection, single phase
6.1.2

Application

The 1Ph High impedance differential protection function HZPDIF (87) can be used as:
Generator differential protection
Reactor differential protection
Busbar differential protection
Autotransformer differential protection (for common and serial windings only)
T-feeder differential protection
Capacitor differential protection
Restricted ground fault protection for transformer, generator and shunt reactor windings
Restricted ground fault protection
The application is dependent on the primary system arrangements and location of breakers,
available CT cores and so on.
Application manual

Differential protection

IEC 61850
identification
HZPDIF
IEC 60617
ANSI/IEEE C37.2
identification
device number
Id
87
SYMBOL-CC V2 EN-US
Section 6
Differential protection
IP14239-1 v4
M14813-1 v4
IP14944-1 v3
SEMOD54734-4 v8
103

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