ABB REX640 User Manual

Table 183. Autosynchronizer for network breaker (ASNSCSYN) main settings
Parameter Function Value (Range) Step
Live dead mode ASNSCSYN -2 = Command
-1 = Off
1 = Both Dead
2 = Live B, Dead A
3 = Dead B, Live A
4 = Dead A, B Any
5 = Dead B, A Any
6 = One Live, Dead
7 = Not Both Live
-
Diff voltage ASNSCSYN 0.01...0.50 × U
n
0.01
Diff frequency ASNSCSYN 0.001...0.060 × f
n
0.001
Diff angle ASNSCSYN 5...90° 1
Synchrocheck mode ASNSCSYN 1 = Off
2 = Synchronous
3 = Asynchronous
4 = Command
-
Dead bus voltage ASNSCSYN 0.1...0.8 × U
n
0.1
Live bus voltage ASNSCSYN 0.2...1.0 × U
n
0.1
Phase shift ASNSCSYN -180...180° 1
Closing time of CB ASNSCSYN 40...250 ms 1
Table 184. Synchronism and energizing check (SECRSYN)
Characteristic
Value
Operation accuracy Depending on the frequency of the voltage measured: f
n
±1 Hz
Voltage:
±3.0% of the set value or ±0.01 × U
n
Frequency:
±10 mHz
Phase angle:
±3°
Reset time <50 ms
Reset ratio Typically 0.96
Operate time accuracy in definite time mode ±1.0% of the set value or ±20 ms
1MRS759144 A
REX640
Product version: 1
ABB 87

ABB REX640 Specifications

General

Device Type	Protection Relay
Communication Protocols	IEC 61850, Modbus, DNP3, IEC 60870-5-103
Rated Frequency	50/60 Hz
Operating Temperature Range	-25°C to +55°C
Display	LCD
Housing	Metal
Manufacturer	ABB
Model	REX640
Mounting	Rack mounting
Inputs and Outputs	Configurable binary inputs and outputs
Rated Voltage	48-240 V AC/DC
Protection Functions	Overcurrent, Earth Fault
Input Voltage	48-240 V AC/DC
Certifications	CE, UL, IEC