Santerno Sinus Penta - Page 282

SINUS PENTA
PROGRAMMING GUIDE
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C022 (C065, C108) Motor Stator Resistance
C022 (Motor 1)
C065 (Motor 2)
C108 (Motor 3)
Range
0 ÷ 32000 0.000 ÷ 32.000Ω
Default
See Table 84 and Table 88
Level
ADVANCED
Address
1022, 1065, 1108
Function
This parameter defines stator resistance Rs.
If a star connection is used, it matches with the value of t
he resistance of one
phase (half the resistance measured between two terminals); if a delta connection
is used, it matches with 1/3 of the resistance of one phase.
Autotune is always recommended.
C023 (C066, C109) Motor Leakage Inductance
C023 (Motor 1)
C066 (Motor 2)
C109 (Motor 3)
Range
0 ÷ 32000 0.00 ÷ 320.00mH
Default
See Table 84 and Table 88
Level
ADVANCED
Address
1023, 1066, 1109
Function
This parameter defines the global leakage inductance of the connected motor.
If a star connection is used, it matches with the value of the inductance of one
phase; if a delta connection is used, it matches with 1/3 of the inductance of one
phase.
Autotune is always recommended.
NOTE
With the Autotune function, calculate the value of the leakage inductance (C023
). From the
resulting value, manually subtract the value in mH of the output inductance (if any).
C024 (C067, C110) Mutual Inductance
C024 (Motor 1)
C067 (Motor 2)
C110 (Motor 3)
Range
0 ÷ 65000 0.00 ÷ 650.00mH
Default
25000
250.00mH
Level
ADVANCED
Address
1024, 1067, 1110
Function
This parameter defines the mutual inductance of the connected motor.
The approximate value of the mutual inductance results from no-
load current
according to the formula below:
M ≅ (Vmot – Rstat*Io) / (2πfmot* Io)
NOTE
Parameter C024 (mutual inductance) is automatically calculated based on the preset no-
load current value (C021) whenever parameters I073 and I074 are set as follows:
I073 = [1: Motor Tune]
I074 = [0: Motor Params]
whether current loop tuning is performed or not.