Patent ID: 9537418
Date: 2017-01-03
CPC Classifications: H02M

Claim:
1. A power conversion apparatus, receiving an alternating current (AC) input power by an input side, and comprising: a capacitor, coupled to the input side; an AC-to-direct current (DC) conversion unit, coupled to the input side, and configured to convert the AC input power after receiving the AC input power to generate a DC output power; and a discharge unit, coupled to the capacitor and having at least two switch elements, wherein the discharge unit enables the at least two switch elements when supply of the AC input power is interrupted, such that one of a first discharge path and a second discharge path formed by the at least two switch elements is taken to discharge or drain electric energy stored in the capacitor, wherein the input side has a first input terminal and a second input terminal, the at least two switch elements are composed of a first switch element and a second switch element, and the discharge unit comprises: