Siemens SIPROTEC 4 7VE61 - Page 277

Addr. Parameter Function Setting Options Default Setting Comments
6724 VT Un1, primary SYNC function 7 0.10 .. 999.99 kV 15.75 kV VT nominal voltage U1,
primary
6725 VT Un2, primary SYNC function 7 0.10 .. 999.99 kV 15.75 kV VT nominal voltage U2,
primary
6726 Unom SECONDARY SYNC function 7 80 .. 125 V 100 V Rated Secondary Voltage
(Ph-Ph)
6727 T CLS CMD MIN SYNC function 7 0.01 .. 10.00 sec 0.10 sec Min close command time of
the CB
6730 dU ASYN U2>U1 SYNC function 7 0.0 .. 40.0 V 2.0 V Maximum voltage differ-
ence U2>U1
6731 dU ASYN U2<U1 SYNC function 7 0.0 .. 40.0 V 2.0 V Maximum voltage differ-
ence U2<U1
6732 df ASYN f2>f1 SYNC function 7 0.00 .. 2.00 Hz 0.10 Hz Maximum frequency differ-
ence f2>f1
6733 df ASYN f2<f1 SYNC function 7 0.00 .. 2.00 Hz 0.10 Hz Maximum frequency differ-
ence f2<f1
6740 SYNC PERMIS. SYNC function 7 NO
YES
NO Switching at synchronous
conditions
6741 F SYNCHRON SYNC function 7 0.01 .. 0.04 Hz 0.01 Hz Frequency threshold ASYN
<--> SYN
6742 dU SYN U2>U1 SYNC function 7 0.0 .. 40.0 V 2.0 V Maximum voltage differ-
ence U2>U1
6743 dU SYN U2<U1 SYNC function 7 0.0 .. 40.0 V 2.0 V Maximum voltage differ-
ence U2<U1
6744 dα SYN α2>α1 SYNC function 7 2 .. 80 ° 10 ° Maximum angle difference
alpha2>alpha1
6745 dα SYN α2<α1 SYNC function 7 2 .. 80 ° 10 ° Maximum angle difference
alpha2<alpha1
6746 T SYNC-DELAY SYNC function 7 0.00 .. 60.00 sec 10.00 sec Release delay at synchro-
nous conditions
6750 dU SYNC U2>U1 SYNC function 7 0.0 .. 40.0 V 2.0 V Maximum voltage differ-
ence U2>U1
6751 dU SYNC U2<U1 SYNC function 7 0.0 .. 40.0 V 2.0 V Maximum voltage differ-
ence U2<U1
6752 df SYNC f2>f1 SYNC function 7 0.00 .. 2.00 Hz 0.10 Hz Maximum frequency differ-
ence f2>f1
6753 df SYNC f2<f1 SYNC function 7 0.00 .. 2.00 Hz 0.10 Hz Maximum frequency differ-
ence f2<f1
6754 dα SYNC α2> α1 SYNC function 7 2 .. 80 ° 10 ° Maximum angle difference
alpha2>alpha1
6755 dα SYNC α2< α1 SYNC function 7 2 .. 80 ° 10 ° Maximum angle difference
alpha2<alpha1
6760 TAP CHG. OBJ. SYNC function 7 OBJVERWparaMEIN-
STELL
none Tap changer object
6761 #STEP NOM. VOLT SYNC function 7 -62 .. 62 0 # of tap changer at nom.
voltage
6762 TAP STEP SYNC function 7 -20.00 .. 20.00 % 0.00 % Step size tap changer
6770 U BALANCING SYNC function 7 OFF
Tap changer
Pulse
OFF Voltage balancing
Functions, Settings, Information
E.2 Settings
SIPROTEC 4, 7VE61 and 7VE63, Manual 277
C53000-G1176-C163-3, Edition 10.2017