5-134
Application Manual CDA3000
5 Software functions
5.5.14 _77 MP-
Remagnetiza-
tion
MPCNx Magnetizing current
MPTx Remagnetization time
Figure 5.47 Magnetization phase (MP)
Parameters of remagnetization
Function Effect
• Injection of a defined direct
current via a PI current con-
trol loop into the motor
• Increase starting and stand-
still torque
• Deactivation of VFC mode
during magnetization and
flux build-up phase
t [s]
0
0
1
f [Hz]
v [m/s]
Start
I [A]
0
MP
MPCNx
MPTx
Parameter Function Value range FS Unit Online
770-MPCN1 CDS1: Magnetizing current 0 ... 180 33 %
771-MPT1 CDS1: Magnetization time VFC 0.00 ... 2.00 0.00 s
772-MPCN2 CDS2: Magnetizing current 0 ... 180 33 %
773-MPT2 CDS2: Magnetization time VFC 0.00 ... 2.00 0.00 s
774-MPT Magnetization time for SFC and FOR
(calculated during auto-tuning)
0.00 ... 16.00 0.50 s
Table 5.89 Parameters from subject area _77MP Remagnetization
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