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ABB RET670 Applications Manual

ABB RET670
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Setting guidelines.........................................................................86
Setting parameters.......................................................................86
Signal matrix for binary outputs SMBO ............................................86
Application....................................................................................87
Setting guidelines.........................................................................87
Setting parameters.......................................................................87
Signal matrix for mA inputs SMMI.....................................................87
Application....................................................................................87
Setting guidelines.........................................................................87
Setting parameters.......................................................................87
Signal matrix for analog inputs SMAI................................................88
Application....................................................................................88
Frequency values.........................................................................88
Setting guidelines.........................................................................89
Setting parameters.......................................................................94
Summation block 3 phase 3PHSUM.................................................95
Application....................................................................................95
Setting guidelines.........................................................................95
Setting parameters.......................................................................96
Authority status ATHSTAT.................................................................96
Application....................................................................................96
Setting parameters.......................................................................97
Denial of service DOS.......................................................................97
Application....................................................................................97
Setting guidelines.........................................................................97
Differential protection..............................................................................97
Transformer differential protection T2WPDIF (87T) and
T3WPDIF (87T).................................................................................97
Application....................................................................................98
Setting guidelines.........................................................................99
Setting example..........................................................................108
Setting parameters.....................................................................120
Restricted earth-fault protection, low impedance REFPDIF
(87N)................................................................................................125
Application..................................................................................126
Setting guidelines.......................................................................131
Setting parameters.....................................................................133
1Ph High impedance differential protection HZPDIF (87)...............134
Identification...............................................................................134
Application..................................................................................134
Table of contents
3
Application manual

Table of Contents

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ABB RET670 Specifications

General IconGeneral
Rated Frequency50/60 Hz
InputsAnalog and binary inputs
ApplicationProtection of power systems
Communication ProtocolsIEC 61850, DNP3, Modbus
Operating Temperature Range-25°C to +55°C
MountingRack mounted
Number of Binary InputsUp to 48
Number of Binary Outputs32
Protection FunctionsOvercurrent Protection
OutputsBinary outputs
EnclosureIP 54
TypeLine Differential Protection
Number of Analog Inputs24

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