4.2开关逻辑的实现如下图所示 functionpwm=fcn(Fs,Mag,ang,Sec,Vdc,clk)% Time synchronization with thesimulink clock.t=clk;% Vdc at workspace% General expression for the calculation of T1, T2 and T0.T1=(sqrt(3)*(Mag/Vdc))*sin(Sec*pi/3-ang)/Fs; T2=(sqrt(3)*(Mag/Vdc))*sin(ang -...
sinMapData > 0) SetInputB(true, false); else if (phaseB.sinMapData < 0) SetInputB(false, true); else SetInputB(true, true); } void TB67H450Base::SetTwoCoilsCurrent(uint16_t _currentA_3300mAIn12Bits, uint16_t _currentB_3300mAIn12Bits) { /* * After SetFocCurrentVector calculation ...
I am creating a calculation in Discoverer 10g and only need to grab information between two points (".") An example of the string looks like this: I only need to grab the "Y" betwe... HTML5 video not playing on Samsung S8, Samsung browser ...
简化的SVPWM算法在三电平光伏系统中的应用 在光伏发电技术日趋成熟的今天,三电平逆变电路已经成为逆变设备的首选结构。与传统的两电平逆变电路相比,主要有能够承受高电压、电压电流上升率低等优点[1]。在众多的控制策略中,SVPWM(空间矢量脉宽调制)具有调制比大、能够优化输出电压波形、易于数字实现、母线电压利用率高等特...
function[sys,x0,str,ts] = func_N_calculation(t,x,u,flag) %A=0;B=0; %C=0;N=0; globalA B C N; switchflag, case0, [sys,x0,str,ts]=mdlInitializeSizes; case1, sys=[]; case2, sys=[]; case3, sys=mdlOutputs(t,x,u,A,B,C,N); ...
While the conventional multi-level space vector pulse width modulation ( SVPWM) algorithm has a large amount of calculation, a fast SVPWM algorithm suit for neutral point clamped H-bridge inverter was proposed. The essential reason that the conventional 5-level algorithm is of great ...
Time Calculation 模块 mosfet transter time 模块 PWM output 模块 当合成电压矢量的角度为45°时,进行仿真计算,得到以下结果: 仿真结果 其他5个扇区的脉宽调制模块可以以相同方法得到: 模块示例 SVPWM模块中根据扇形判断模块得到扇区ID,再根据各个扇区的脉宽调制模块得到mosfet开关工作的时间: ...
is located.Afterwards,the seven-segment SVPWM modulation method is used to realize the SVPWM of a,b,and c three-phase voltages.By using the proposed algorithm,the determination of space vector sector and the calculation of duty cycle in SVPWM is simplified and the calculation time ...
SVPWM的等效算法及SVPWM与SPWM的本质联系 万方数据
2).矢量的排列顺序是4-6-2-3-1-5 或者是4-5-1-3-2-6顺序代表什么意思? 答案:这是电机正反转的区别,假定4-6-2-3-1-5 逆时针为电机正传,则4-5-1-3-2-6表示反转。 备注:不同文档中矢量的名称可能会有改变,这里影响不大,只要调整a,b,c的排列顺序,大家就可以发现其实都一样的,大家看文档的时候...