Connecting-Up; Line Synchronization Of A Motor With Simovert Masterdrives Vector Control - Siemens SIMOVERT FC Series Operating Instructions Manual

02.2003
4

Connecting-up

4.1 Line synchronization of a motor with SIMOVERT
MASTERDRIVES Vector Control
3 AC 50/60 Hz; 380-480 V / 500-600 V / 660-690 V
Q1
-K11
L1
A1
3~
3
-K12
M
3~
Siemens AG 6SE7087-6NX84-1GA0
SIMOVERT MASTERDRIVES
Q2
3
3
C T
VSB
U S
V Y
C
-K2
-K21
Fig. 4-1 Application: line synchronization
Operating Instructions
3 + PE
Q1,2: Main circuit-breaker
-K11: Main contactor, converter
-K12: Motor contactor, converter
-K2: Bypass contactor
-K21: Reactor bypass contactor
VSB: Voltage sensing board
3
A1: Converter SIMOVERT MASTERDRIVES
Vector Control with optional
board TSY + LBA
L1: Line commutating reactor uk = 2 %
L2: Current limitation reactor
uk = 8 % Switch-on duration 20 %
u = 8 % 20 % switch-on
L2
k
duration at 5 min
Connecting-up
4-1