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Section 17
Station communication
Function description
Negative sequence
overvoltage protection
Three phase overcurrent
Three phase
undercurrent
Thermal overload
protection, one time
constant
Zero sequence
overcurrent protection
Zero sequence
overvoltage protection
Line differential
coordination
Additional security logic
for differential
protection
Loss of excitation
Thermal overload
protection, one time
constant
Loss of voltage check
Line differential
protection 3 CT sets,
with inzone
transformers, 2-3 line
ends
Line differential
protection 6 CT sets,
with inzone
transformers, 3-5 line
ends
Negativ sequence time
overcurrent protection
for machines
Four step directional
negative phase sequence
overcurrent protection
Four step phase
overcurrent protection
Overexcitation
protection
Out-of-step protection
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402
IEC 61850 identification
LCNSPTOV
LCP3PTOC
LCP3PTUC
LCPTTR
LCZSPTOC
LCZSPTOV
LDLPSCH
LDRGFC
LEXPDIS
LFPTTR
LOVPTUV
LT3CPDIF
LT6CPDIF
NS2PTOC
NS4PTOC
OC4PTOC
OEXPVPH
OOSPPAM
Function description
Scheme communication
logic for distance or
overcurrent protection
Current reversal and
weak-end infeed logic for
distance protection
Automatic switch onto
fault logic, voltage and
current based
Under impedance
protection for generator
Fast distance protection
High speed distance
protection
Distance measuring
zone, quadrilateral
characteristic for series
compensated lines
Distance measuring
zone, quadrilateral
characteristic for series
compensated lines
Fullscheme distance
protection, mho
characteristic
Fullscheme distance
protection, quadrilateral
for earth faults
Fullscheme distance
protection, quadrilateral
for earth faults
Distance protection
zone, quadrilateral
characteristic
Distance protection
zone, quadrilateral
characteristic
Distance protection
zone, quadrilateral
characteristic, separate
settings
Distance protection
zone, quadrilateral
characteristic, separate
settings
Power swing detection
Mho Impedance
supervision logic
Transformer tank
overcurrent protection
1MRK 505 370-UEN D
IEC 61850 identification
ZCPSCH
ZCRWPSCH
ZCVPSOF
ZGVPDIS
ZMFCPDIS
ZMFPDIS
ZMCAPDIS
ZMCPDIS
ZMHPDIS
ZMMAPDIS
ZMMPDIS
ZMQAPDIS
ZMQPDIS
ZMRAPDIS
ZMRPDIS
ZMRPSB
ZSMGAPC
TPPIOC
Busbar protection REB670
Application manual
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