ABB Relion 630 Series RET630 - Functions, Codes and Symbols

29. Functions, codes and symbols
Table 103. Functions included in RET630
Functionality IEC 61850 IEC 60617 ANSI
Protection
Three-phase non-directional
overcurrent, low stage
PHLPTOC 3I> 51P-1
Three-phase non-directional
overcurrent, high stage
PHHPTOC 3I>> 51P-2
Three-phase non-directional
overcurrent, instantaneous stage
PHIPTOC 3I>>> 50P/51P
Three-phase directional
overcurrent, low stage
DPHLPDOC
3I> →
67-1
Three-phase directional
overcurrent, high stage
DPHHPDOC
3I>> →
67-2
Non-directional earth-fault, low
stage
EFLPTOC I0> 51N-1
Non-directional earth-fault, high
stage
EFHPTOC I0>> 51N-2
Directional earth-fault, low stage DEFLPDEF I0> -> 67N-1
Directional earth-fault, high stage DEFHPDEF
I0>> →
67N-2
Stabilised restricted earth-fault LREFPNDF dI0Lo> 87NL
High-impedance-based restricted
earth-fault protection
HREFPDIF dI0Hi> 87NH
Negative-sequence overcurrent NSPTOC I2> 46
Three-phase thermal overload for
transformers
T2PTTR 3Ith>T 49T
Three-phase current inrush
detection
INRPHAR 3I2f> 68
Transformer differential protection
for two-winding transformers
TR2PTDF 3dI>T 87T
Three-phase overvoltage (LV side) PHPTOV 3U> 59
Three-phase undervoltage (LV side) PHPTUV 3U< 27
Positive-sequence overvoltage PSPTOV U1> 47O+
Positive-sequence undervoltage PSPTUV U1< 47U+
Negative-sequence overvoltage NSPTOV U2> 47O-
Transformer Protection and Control 1MRS756978 D
RET630
Product version: 1.1 Issued: 2011-05-18
ABB 75