ABB RELION REX640 Engineering Manual page 17

Protection and control
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1MRS759117 A
REX640
Engineering Manual
Function
Transient/intermittent earth-fault
protection
Harmonics-based earth-fault
protection
Negative-sequence overcurrent
protection
Phase discontinuity protection
Residual overvoltage protection
Three-phase undervoltage protection
Three-phase overvoltage variation
protection
Three-phase overvoltage protection
Positive-sequence overvoltage
protection
Positive-sequence undervoltage
protection
Negative-sequence overvoltage
protection
Frequency protection
Three-phase voltage-dependent
overcurrent protection
Overexcitation protection
Three-phase thermal protection for
feeders, cables and distribution
transformers
Three-phase thermal overload
protection, two time constants
Three-phase overload protection for
shunt capacitor banks
Current unbalance protection for
shunt capacitor banks
Three-phase current unbalance
protection for shunt capacitor banks
Shunt capacitor bank switching
resonance protection, current based
Compensated neutral unbalance
voltage protection
Directional negative-sequence
overcurrent protection
Low-voltage ride-through protection
Voltage vector shift protection
Directional reactive power
undervoltage protection
Reverse power/directional
overpower protection
Underpower protection
Table continues on next page
IEC 61850
IEC 60617
INTRPTEF
Io> -> IEF
HAEFPTOC
Io>HA
NSPTOC
I2>M
PDNSPTOC
I2/I1>
ROVPTOV
Uo>
PHPTUV
3U<
PHVPTOV
3Urms>
PHPTOV
3U>
PSPTOV
U1>
PSPTUV
U1<
NSPTOV
U2>
FRPFRQ
f>/f<,df/dt
PHPVOC
3I(U)>
OEPVPH
U/f>
T1PTTR
3Ith>F
T2PTTR
3Ith>T/G/C
COLPTOC
3I> 3I<
CUBPTOC
dI>C
HCUBPTOC
3dI>C
SRCPTOC
TD>
CNUPTOV
CNU>
DNSPDOC
I2> ->
LVRTPTUV
UU
VVSPPAM
VS
DQPTUV
Q> -> ,3U<
DOPPDPR
P>/Q>
DUPPDPR
P<
Section 1
Introduction
ANSI
67NTEF/NIEF
51NH
46M
46PD
59G/59N
27
59.S1
59
59PS
27PS
59NS
81
51V
24
49F
49T/G/C
51,37,86C
60N
60P
55ITHD
59NU
67Q
27RT
78VS
32Q,27
32R/32O
32U
9

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