DC link voltage 380V constant

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Jameson Ng
Jameson Ng 2020-4-21
Hi this is a matter pls anyone can help me with this issue. the following attachment is a 3phase grid connected to an igbt rectifier simulink file. i'm using the simulink pwm model which uses pwm three phase two level, with Vabc and Vdc as input. how do i keep the output Vdc as constant. as the result i get keep fluctuating and is not at a constant 380V. what did i do wrong and how do i solve it.

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