SPWM modulation is the important way to improve the invert power supply voltageefficiency and reduce the harmonic component.
SPWM调制是提高逆变电源电压利用率和减少谐波分量的重要方法。
2
A practical calculation method is given. With the parameters of the impulse circuit the wave front and tail and the voltageefficiency can be calculated.
文中给出实用计算法，以便根据冲击回路参数估算操作波的波头、波尾和电压效率。
3
The electrolysis efficiency is high when voltage grad is high and original concentration is low.