SIEMENS Excitation board
Origin: German
Brand: SIEMENS
The Siemens C98043-A7010-L1 interface board is mainly used in automation control systems. Specific application scenarios include the power board or excitation board of the 6RA70 DC speed controller, as well as the main board of the CUD1 frequency converter. This interface board may use voltage space vector (SVPWM) control to approximate the ideal circular rotating magnetic field trajectory of the motor air gap through the overall generation effect of three-phase waveforms, thereby improving control accuracy and stability
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Product Introduction
Technical features
Control method: Adopting voltage space vector (SVPWM) control method, the ideal circular rotating magnetic
field trajectory of the motor air gap is approximated by the overall generation effect of the three-phase
waveform
Improvement measures: Introduce frequency compensation to eliminate errors in speed control; Estimate the
magnetic flux amplitude through feedback and eliminate the influence of stator resistance at low speeds; Close
loop the output voltage and current to improve dynamic accuracy and stability
Usage and maintenance
When using the C98043-A7010-L1 interface board, installation, debugging, and maintenance should be strictly
carried out in accordance with Siemens' technical manual and operating procedures. If a fault alarm occurs, the
cause of the fault should be confirmed and corresponding measures should be taken according to the alarm
prompt information, combined with the mechanism diagram, input and output point status and location diagram,
etc. Regular maintenance and upkeep of the board can extend its service life and improve performance stability
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