ABB RET670 Product Guide

Table 88. Disturbance report DRPRDRE
Function Range or value Accuracy
Pre-fault time (0.05–9.90) s -
Post-fault time (0.1–10.0) s -
Limit time (0.5–10.0) s -
Maximum number of recordings 100, first in - first out -
Time tagging resolution 1 ms See table 113
Maximum number of analog inputs 30 + 10 (external + internally
derived)
-
Maximum number of binary inputs 96 -
Maximum number of phasors in the Trip Value recorder per recording 30 -
Maximum number of indications in a disturbance report 96 -
Maximum number of events in the Event recording per recording 150 -
Maximum number of events in the Event list 1000, first in - first out -
Maximum total recording time (3.4 s recording time and maximum number of
channels, typical value)
340 seconds (100 recordings) at
50 Hz, 280 seconds (80
recordings) at 60 Hz
-
Sampling rate 1 kHz at 50 Hz
1.2 kHz at 60 Hz
-
Recording bandwidth (5-300) Hz -
Table 89. Event list
Function
Value
Buffer capacity Maximum number of events in the list 1000
Resolution 1 ms
Accuracy Depending on time synchronizing
Table 90. Indications
Function
Value
Buffer capacity Maximum number of indications presented for single disturbance 96
Maximum number of recorded disturbances 100
Table 91. Event recorder
Function
Value
Buffer capacity Maximum number of events in disturbance report 150
Maximum number of disturbance reports 100
Resolution 1 ms
Accuracy Depending on time
synchronizing
Transformer protection RET670 2.0
1MRK 504 141-BEN C
Product version: 2.0
90 ABB

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