Functions, Codes And Symbols - ABB Relion 630 Series RET630 Product Manual

Transformer protection and control
Table of Contents

Advertisement

ABB
Transformer Protection and Control
RET630
Product version: 1.1

29. Functions, codes and symbols

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

Hide quick links:

Advertisement

Table of Contents
loading

Table of Contents