2711-B5A15

2711-B5A15

雙極性SPWM是一種常用的SPWM控制方式，其工作原理是在SPWM的基礎(chǔ)上增加一個(gè)負(fù)半周期的正弦波信號(hào)，從而實(shí)現(xiàn)正負(fù)極性的控制。在雙極性SPWM控制下，輸出電壓可以在正半周和負(fù)半周分別進(jìn)行控制，從而提高了電機(jī)控制的精度和靈活性。

雙極性SPWM控制的基本原理與普通SPWM控制相似，其主要過(guò)程包括：

產(chǎn)生參考正弦波信號(hào)和三角波信號(hào)；

通過(guò)比較參考正弦波信號(hào)和三角波信號(hào)，產(chǎn)生PWM信號(hào)；

2711-B5A15 

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