Adjustable-speed drives with single-phase input require a power factor correction front-end. usually implemented by a boost converter. to reduce the current distortion from the uncontrolled rectifier; this stage is then followed by a three-phase inverter. Bulky electrolytic capacitors are used to limit the direct current voltage ripple resulting from the rectification of the single-ph... https://www.pomyslnaszycie.com/vegetable-glycerin-sale/