2019年7月18日 · The power mosfets will trigg with spwm signal which is made by compared sine wave and triangle waves. I did spwm signal by comparing sine and triange waves. Main sine …

2020年11月26日 · I have designed three phase inverter in ltspice with SPWM technique using mosfet switch. the output voltage at the load is incorrect. could anyone please tell me what is …

2013年5月12日 · the SPWM signals on PWM (OC1A) output (PORTD5) are sent to low side IR2112-1 D by sending a "1" to PORTD3, which, with the help of the AND gate "diverts" the …

2007年7月19日 · The method I am trying to use is to use Timer 2 interrupt and sine look up table to gerenate the SPWM in two outputs with different phases (e.g. one is sin, the other cosine, …

2019年10月24日 · The VFD must work on phase voltage and must controll with Spwm. Control signal circuit is working well and the h bridge also good. But the problem is , im not sure to use …

2017年2月5日 · They're also pretty easy to hack into their HV DC side rail voltage feedback loop and H-bridge driver circuit to get variable voltage and variable frequency operation as well. …

2007年1月19日 · Using spice I need to control the duty cycle of a PWM source at a fixed frequency from 0 to 100% with a scaleable voltage source, can anyone help with the ideal …

2016年4月13日 · You can also generate a variable resistance by letting a resistor value be a function of time [e.g. R=1+sin(time) which would generate a sinewave variation in resistance …

2008年6月4日 · The DC AC Inverter i'm having in mind is using a full bridge SPWM topology where 4 IGBT switches will be used. Approach 2: First, I will design the inverter so that it can …

2013年5月30日 · i am using spwm in matlab/simulink and pid controller to control error, the required speed. here is little example of what i need, bldc motor has permanent magnet rotor, …