PMSM dead time compensation

Dead time compensation test -- Code 《1.1 Generation hardware -STM32- Single resistance sampling test -- Phase shifting mode - Dead time compensation 1》

Be careful ： At a large duty cycle , Need to shield the dead zone compensation function .

1、 Compensation is not added

1.1）18RPM;4HZ Current waveform under ; Dead time 3us; Carrier period 16KHZ

 

 

1.2）336RPM;84HZ Current waveform under ; Dead time 3us; Carrier period 16KHZ

 

 

1.3）16HZ,66RPM; Dead time 2us; Carrier period 16KHZ

 

2、 After adding compensation

2.1）18RPM;4HZ Current waveform under ; Dead time 3us; Carrier period 16KHZ

 

 

2.2）336RPM;84HZ Current waveform under ; Dead time 3us; Carrier period 16KHZ

 

2.3）16HZ,66RPM; Dead time 2us; Carrier period 16KHZ