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Functions
7.6 Motor control
Frequency inverters with Control Units CU230P-2 HVAC, CU230P-2 DP, CU230P-2 CAN
Operating Instructions, 01/2011, FW 4.4, A5E02430659B AD
205
It is not permissible to use vector control in the following cases:
●
If the motor is too small in comparison to the inverter (the rated motor power may not be
less than one quarter of the rated inverter power)
●
If several motors are connected to one inverter
●
If a power contactor is used between the inverter and motor and is opened while the
motor is powered up
●
If the maximum motor speed exceeds the following values:
Inverter pulse frequency
2 kHz
4 kHz and higher
Pole number of the motor
2-pole
4-pole
6-pole
2-pole
4-pole
6-pole
Maximum motor speed [rpm]
9960
4980
3320
14400
7200
4800
Содержание SINAMICS G120 CU230P-2
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