ABB RET620 - Control Functions; Synchrocheck (SECRSYN); Synchronism and Energizing Check (SECRSYN) Main Settings

Control functions
Table 68. Synchrocheck (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 x U
n
Frequency: ±10 mHz
Phase angle: ±3°
Reset time < 50 ms
Reset ratio Typical 0.96
Operate time accuracy in definite time mode ±1.0% of the set value or ±20 ms
Table 69. Synchronism and energizing check (SECRSYN) main settings
Parameter Function Value (Range) Step
Live dead mode SECRSYN -1=Off
1=Both Dead
2=Live L, Dead B
3=Dead L, Live B
4=Dead Bus, L Any
5=Dead L, Bus Any
6=One Live, Dead
7=Not Both Live
Difference voltage SECRSYN 0.01...0.50 xUn 0.01
Difference frequency SECRSYN 0.001...0.100 xFn 0.001
Difference angle SECRSYN 5...90 deg 1
Synchrocheck mode SECRSYN 1=Off
2=Synchronous
3=Asynchronous
Control mode SECRSYN 1=Continuous
2=Command
Dead line value SECRSYN 0.1...0.8 xUn 0.1
Live line value SECRSYN 0.2...1.0 xUn 0.1
Close pulse SECRSYN 200...60000 ms 10
Max energizing V SECRSYN 0.50...1.15 xUn 0.01
Phase shift SECRSYN -180...180 deg 1
Minimum Syn time SECRSYN 0...60000 ms 10
Maximum Syn time SECRSYN 100...6000000 ms 10
Energizing time SECRSYN 100...60000 ms 10
Closing time of CB SECRSYN 40...250 ms 10
Transformer Protection and Control 1MRS757846 A
RET620
Product version: 2.0
ABB 41