Siemens SIPROTEC 4 7VE61 - Page 273

Addr. Parameter Function Setting Options Default Setting Comments
6541 F SYNCHRON SYNC function 5 0.01 .. 0.04 Hz 0.01 Hz Frequency threshold ASYN
<--> SYN
6542 dU SYN U2>U1 SYNC function 5 0.0 .. 40.0 V 2.0 V Maximum voltage differ-
ence U2>U1
6543 dU SYN U2<U1 SYNC function 5 0.0 .. 40.0 V 2.0 V Maximum voltage differ-
ence U2<U1
6544 dα SYN α2>α1 SYNC function 5 2 .. 80 ° 10 ° Maximum angle difference
alpha2>alpha1
6545 dα SYN α2<α1 SYNC function 5 2 .. 80 ° 10 ° Maximum angle difference
alpha2<alpha1
6546 T SYNC-DELAY SYNC function 5 0.00 .. 60.00 sec 10.00 sec Release delay at synchro-
nous conditions
6550 dU SYNC U2>U1 SYNC function 5 0.0 .. 40.0 V 2.0 V Maximum voltage differ-
ence U2>U1
6551 dU SYNC U2<U1 SYNC function 5 0.0 .. 40.0 V 2.0 V Maximum voltage differ-
ence U2<U1
6552 df SYNC f2>f1 SYNC function 5 0.00 .. 2.00 Hz 0.10 Hz Maximum frequency differ-
ence f2>f1
6553 df SYNC f2<f1 SYNC function 5 0.00 .. 2.00 Hz 0.10 Hz Maximum frequency differ-
ence f2<f1
6554 dα SYNC α2> α1 SYNC function 5 2 .. 80 ° 10 ° Maximum angle difference
alpha2>alpha1
6555 dα SYNC α2< α1 SYNC function 5 2 .. 80 ° 10 ° Maximum angle difference
alpha2<alpha1
6560 TAP CHG. OBJ. SYNC function 5 OBJVERWparaMEIN-
STELL
none Tap changer object
6561 #STEP NOM. VOLT SYNC function 5 -62 .. 62 0 # of tap changer at nom.
voltage
6562 TAP STEP SYNC function 5 -20.00 .. 20.00 % 0.00 % Step size tap changer
6570 U BALANCING SYNC function 5 OFF
Tap changer
Pulse
OFF Voltage balancing
6571 T U PULS MIN SYNC function 5 10 .. 1000 ms 100 ms Minimum pulse duration for
U balancing
6572 T U PULS MAX SYNC function 5 1.00 .. 32.00 sec 1.00 sec Maximum pulse duration
for U balancing
6573 dU2 / dt SYNC function 5 0.1 .. 50.0 V/s 2.0 V/s dU/dt of the controller
6574 T U PAUSE SYNC function 5 0.00 .. 32.00 sec 5.00 sec Transient time of the U-
controller
6575A SMOOTHING U SYNC function 5 1 .. 100 1 Smoothing factor for the
voltage
6576A (U/Un) / (f/fn) SYNC function 5 1.00 .. 1.40 1.10 Maximum permissible over-
excitation
6580 f BALANCING SYNC function 5 OFF
Pulse
OFF Frequency balancing
6581 T f PULS MIN SYNC function 5 10 .. 1000 ms 20 ms Minimum pulse duration for
f balancing
6582 T f PULS MAX SYNC function 5 1.00 .. 32.00 sec 1.00 sec Maximum pulse duration
for f balancing
6583 df2 / dt SYNC function 5 0.05 .. 5.00 Hz/s 1.00 Hz/s df/dt of the controller
Functions, Settings, Information
E.2 Settings
SIPROTEC 4, 7VE61 and 7VE63, Manual 273
C53000-G1176-C163-3, Edition 10.2017