In the digital inverter , we adopt the technology of digital dynamic waveform correction , which can compensate the delay between control signal and output waveform , and ensure the accuracy of control . at the same time , the technology of digital dc component adjustment was introduced , by which we can exactly compensate the control signal , and realize adjusting dc component of output on the premise of output performance 在基于dsp的数字变换器平台中,采用全数字波形校正技术,完全补偿了控制信号延时、功率管开关延时以及死区时间对输出spwm波形所产生的畸变,充分保障了变换器控制的准确性;采用数字直流分量调节技术,可以精确地对控制信号进行补偿,在充分保证输出性能的前提下,实现了输出直流分量的调节。
In order to obtain three - phase four - line ac output , system applied the four - legged main circuit topology . with the 3d - svm , the power system realizes voltage regulation and three - phase four - line output . meanwhile , this kind of control is easy to be realized in the digital inverter 为实现三相四线的交流输出,变换器电路采取四桥臂新型拓扑,其控制采取了三维空间矢量调制,实现了变换器的在线调压及输出中点的形成,具有良好的动静态性能,且这种控制思想可以方便地在现有数字变换器平台上实现。
数字: figure; digit; numeral; char ...z-数字变换器: z-digitizer交流-数字变换器: ac-digital converter角度 数字变换器: angle to digit converter直流-数字变换器: dc-digtal converter数字数字变换器: digital to digital converter电压数字变换器: voltage to digital converter; voltage-to digital converter模拟数字变换器: analog digital converter; analogdigital converter; analogtodigital converter; digitalizer; digitalyzer频率数字变换器: frequency to number converter时间数字变换器: time digital converter; time-digital converter轴位数字变换器: shaft position to digital converter; shaft position-to-digital converter数字变换器数字传感器: digital transducer数字化装置,数字变换器: digitalizer集成模拟数字变换器: integrating analog-to-digital converter计数式模拟数字变换器: counting type analog to digital converter计算式模拟-数字变换器: counting type analog-to-digital converter模拟数字变换器检验程序: analog-to-digital converter check program模拟数字变换器误差: analog-to-digital converter error同步信号数字变换器: synchronizing signal比-数字变换: analog-dig ital conversion模拟-数字变换: analog-digital conversion数字变换: digital conversion; mathematical manipulation; numerical transformation二进数字变换: binary to numeric conversion二进制数-数字变换: binary-to-numeric conversion数字 模拟变换器: digital to analogue converter dac