Matlab BLDC Motor Simulation Parameters Problems

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I have BLDC motor specification and i want to simulate BLDC motor speed control with these parameters. But i can not add parameters in simulink environment. I did not find the parameters, which i have.
BLDC Motor Specifications:
Power: 1500 W,
Voltage: 48 VDC,
Nominal Current: 34.6 A,
Speed: 12200 rpm,
Pole Number: 4,
Phase-Phase Resistance,
Phase-Phase Inductance.
I have these parameters, how can i simulate this motor?

回答(1 个)

Milan Bansal
Milan Bansal 2023-9-29
Hi,
As per my understanding you are unable to add the specifications of a Brushless Direct Current (BLDC) motor in parameters of BLDC motor in Simulink.
In the Block Parameters of the BLDC motor, it is possible to specify only the build characterstics of the motor. Number of "pole pairs" can be added in the "Rotor" section and, "Phase-Phase Resistance" and "Phase-Phase Inductance" can be added in "Stator" section of the BLDC motor in the Simulink as shown in the figure.
The rated voltage can be applied using a Voltage Source. The current, power and speed of the motor cannot be added as specification in BLDC motor because they are dependent on the applied voltage and other specifications of the BLDC motor such as Stator Flux, Armature Resistance, Back EMF etc.
Refer to the below MathWorks documentation link to learn more about BLDC Motor.
Refer to the Example in the below MathWorks documentation link to learn more about speed control of the BLDC Motor.
Hope it helps!

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