SIEMENS Excitation board
Origin: German
Brand: SIEMENS
The Siemens C98043-A7001-L1 is a board for automation control systems, mainly used as the power board or excitation board of Siemens 6RA70 DC speed controller, and can also be used as the main board of CUD1 frequency converter. The board adopts voltage space vector (SVPWM) control method, which generates the overall effect of three-phase waveform and approximates the ideal circular rotating magnetic field trajectory of the motor air gap to improve dynamic accuracy and stability
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Product Introduction
Control method: Adopting voltage space vector (SVPWM) control method, estimating the amplitude of magnetic
flux through feedback, eliminating the influence of stator resistance at low speed, introducing frequency
compensation, eliminating speed control errors, and closed-loop the output voltage and current to improve
dynamic accuracy and stability
Application scenarios: Suitable for situations that require a wide speed range, fast dynamic response process
automatic smooth acceleration and deceleration process, high torque during low-speed operation, and require
good excavator characteristics
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