ABB RET670 Applications Manual

Function description IEC 61850 identification Function description IEC 61850 identification
Zero sequence
overcurrent protection
LCZSPTOC Directional impedance
element for mho
characteristic
ZDMRDIR
Zero sequence
overvoltage protection
LCZSPTOV Directional impedance
quadrilateral
ZDRDIR
LDLPDIF Directional impedance
quadrilateral, including
series compensation
ZDSRDIR
Loss of excitation LEXPDIS Distance measuring
zone, quadrilateral
characteristic for series
compensated lines
ZMCAPDIS
Loss of voltage check LOVPTUV Distance measuring
zone, quadrilateral
characteristic for series
compensated lines
ZMCPDIS
Thermal overload
protection, one time
constant
LPTTR Fullscheme distance
protection, mho
characteristic
ZMHPDIS
Line differential
protection 3 CT sets,
with inzone
transformers, 23 line
ends
LT3CPDIF Fullscheme distance
protection, quadrilateral
for earth faults
ZMMAPDIS
Line differential
protection 6 CT sets,
with inzone
transformers, 35 line
ends
LT6CPDIF Fullscheme distance
protection, quadrilateral
for earth faults
ZMMPDIS
Negativ sequence time
overcurrent protection
for machines
NS2PTOC Distance protection
zone, quadrilateral
characteristic
ZMQAPDIS
Four step directional
negative phase
sequence overcurrent
protection
NS4PTOC Distance protection
zone, quadrilateral
characteristic
ZMQPDIS
Four step phase
overcurrent protection
OC4PTOC M Distance protection
zone, quadrilateral
characteristic, separate
settings
ZMRAPDIS
Overexcitation
protection
OEXPVPH Distance protection
zone, quadrilateral
characteristic, separate
settings
ZMRPDIS
Two step overvoltage
protection
OV2PTOV Power swing detection ZMRPSB
Four step single phase
overcurrent protection
PH4SPTOC Mho Impedance
supervision logic
ZSMGAPC
Instantaneous phase
overcurrent protection
PHPIOC
1MRK504116-UUS C Section 4
Station communication
823
Application manual

ABB RET670 Specifications

General

Rated Frequency	50/60 Hz
Inputs	Analog and binary inputs
Application	Protection of power systems
Communication Protocols	IEC 61850, DNP3, Modbus
Operating Temperature Range	-25°C to +55°C
Mounting	Rack mounted
Number of Binary Inputs	Up to 48
Number of Binary Outputs	32
Protection Functions	Overcurrent Protection
Outputs	Binary outputs
Enclosure	IP 54
Type	Line Differential Protection
Number of Analog Inputs	24