\'Co-control\',or synergistically reducing CO2 and local air pollutant emissions,is an important strategy for cities......

Beibuwan B asin is an important offshore oil and gas bearing basin of China.However,the distribution of oil and gas in d......

传统双PWM变换器采用整流器和逆变器独立控制,直流侧需加入大电容来稳定负载的突变而导致的电压波动,大电容引入对系统性能、寿命......

在传统的交-直-交双PWM系统中,电动机侧的突变会导致母线电压的波动。为了稳定母线电压,一般在直流侧加入大电容,但是大电容的加入......