Patent ID: 8890535
Filing Date: 2014-11-18
Classification: G01R,H02J,Y02E,Y02P

Abstract:
1. A power supply aging system, comprising: a system share supply unit configured to connect with an AC line, output a fixed voltage to a high voltage DC bus and produce a DC voltage; a renewable load unit configured to connect with a tested unit, connect with the system share supply unit in parallel and output a constant current to the high voltage DC bus; a DC to AC converting unit configured to connect with the high voltage DC bus, output to a renewable AC bus and convert a high DC voltage to an AC voltage needed by the tested unit; a switching unit configured to connect with the tested unit on one end and connect with the AC line or the renewable AC bus on the other end, select the AC line or the renewable AC bus to provide the tested unit the AC voltage required by the tested unit by switching through a switch; a control unit configured to monitor states of the system share supply unit, the renewable load unit, the DC to AC converting unit and the switching unit in real-time, and further to adjust and control the above mentioned units in real-time; and further configured to maintain a constant current balance of the power supply aging system by increasing and decreasing an output current of the system share supply unit and/or selecting the AC line or the renewable AC bus as a power supply of the tested unit.