2.2 Main protection functions
GUID-66BAAD98-851D-4AAC-B386-B38B57718BD2 v13
Table 2: Example of quantities
2 = number of basic instances
0-3 = option quantities
3-A03 = optional function included in packages A03 (refer to ordering details)
IEC 61850 or
function name
ANSI Function description Generator
REG670 (Customized)
Differential protection
T2WPDIF 87T Transformer differential protection, two winding 0-2
T3WPDIF 87T Transformer differential protection, three winding 0-2
HZPDIF 87 High impedance differential protection, single phase 0-6
GENPDIF 87G Generator differential protection 0-2
REFPDIF 87N Restricted earth fault protection, low impedance 0-3
Impedance protection
ZMHPDIS 21 Full-scheme distance protection, mho characteristic 0-4
ZDMRDIR 21D Directional impedance element for mho characteristic 0-2
ZMFPDIS 21 High speed distance protection, quad and mho characteristic 0-1
ZMFCPDIS 21 High speed distance protection for series comp. lines, quad and
mho characteristic
0-1
PSPPPAM 78 Poleslip/out-of-step protection 0-1
OOSPPAM 78 Out-of-step protection 0-1
LEXPDIS 40 Loss of excitation 0-2
ROTIPHIZ 64R Sensitive rotor ground fault protection, injection based 0-1
STTIPHIZ 64S 100% stator ground fault protection, injection based 0-1
ZGVPDIS 21 Underimpedance protection for generators and transformers 0–2
Section 2 1MRK 502 071-UUS A
Application
48 Generator protection REG670 2.2 ANSI and Injection equipment REX060, REX061, REX062
Application manual
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