Siemens SIPROTEC 4 7VE61 - Page 275

Addr. Parameter Function Setting Options Default Setting Comments
6630 dU ASYN U2>U1 SYNC function 6 0.0 .. 40.0 V 2.0 V Maximum voltage differ-
ence U2>U1
6631 dU ASYN U2<U1 SYNC function 6 0.0 .. 40.0 V 2.0 V Maximum voltage differ-
ence U2<U1
6632 df ASYN f2>f1 SYNC function 6 0.00 .. 2.00 Hz 0.10 Hz Maximum frequency differ-
ence f2>f1
6633 df ASYN f2<f1 SYNC function 6 0.00 .. 2.00 Hz 0.10 Hz Maximum frequency differ-
ence f2<f1
6640 SYNC PERMIS. SYNC function 6 NO
YES
NO Switching at synchronous
conditions
6641 F SYNCHRON SYNC function 6 0.01 .. 0.04 Hz 0.01 Hz Frequency threshold ASYN
<--> SYN
6642 dU SYN U2>U1 SYNC function 6 0.0 .. 40.0 V 2.0 V Maximum voltage differ-
ence U2>U1
6643 dU SYN U2<U1 SYNC function 6 0.0 .. 40.0 V 2.0 V Maximum voltage differ-
ence U2<U1
6644 dα SYN α2>α1 SYNC function 6 2 .. 80 ° 10 ° Maximum angle difference
alpha2>alpha1
6645 dα SYN α2<α1 SYNC function 6 2 .. 80 ° 10 ° Maximum angle difference
alpha2<alpha1
6646 T SYNC-DELAY SYNC function 6 0.00 .. 60.00 sec 10.00 sec Release delay at synchro-
nous conditions
6650 dU SYNC U2>U1 SYNC function 6 0.0 .. 40.0 V 2.0 V Maximum voltage differ-
ence U2>U1
6651 dU SYNC U2<U1 SYNC function 6 0.0 .. 40.0 V 2.0 V Maximum voltage differ-
ence U2<U1
6652 df SYNC f2>f1 SYNC function 6 0.00 .. 2.00 Hz 0.10 Hz Maximum frequency differ-
ence f2>f1
6653 df SYNC f2<f1 SYNC function 6 0.00 .. 2.00 Hz 0.10 Hz Maximum frequency differ-
ence f2<f1
6654 dα SYNC α2> α1 SYNC function 6 2 .. 80 ° 10 ° Maximum angle difference
alpha2>alpha1
6655 dα SYNC α2< α1 SYNC function 6 2 .. 80 ° 10 ° Maximum angle difference
alpha2<alpha1
6660 TAP CHG. OBJ. SYNC function 6 OBJVERWparaMEIN-
STELL
none Tap changer object
6661 #STEP NOM. VOLT SYNC function 6 -62 .. 62 0 # of tap changer at nom.
voltage
6662 TAP STEP SYNC function 6 -20.00 .. 20.00 % 0.00 % Step size tap changer
6670 U BALANCING SYNC function 6 OFF
Tap changer
Pulse
OFF Voltage balancing
6671 T U PULS MIN SYNC function 6 10 .. 1000 ms 100 ms Minimum pulse duration for
U balancing
6672 T U PULS MAX SYNC function 6 1.00 .. 32.00 sec 1.00 sec Maximum pulse duration
for U balancing
6673 dU2 / dt SYNC function 6 0.1 .. 50.0 V/s 2.0 V/s dU/dt of the controller
6674 T U PAUSE SYNC function 6 0.00 .. 32.00 sec 5.00 sec Transient time of the U-
controller
6675A SMOOTHING U SYNC function 6 1 .. 100 1 Smoothing factor for the
voltage
Functions, Settings, Information
E.2 Settings
SIPROTEC 4, 7VE61 and 7VE63, Manual 275
C53000-G1176-C163-3, Edition 10.2017