Title :
Hard switching and soft switching inverters efficiency evaluation
Author :
Martinez, Boris Luis Corral ; Li, Rui ; Ma, Ke ; Xu, Dehong
Author_Institution :
Coll. of Electr. Eng., Zhejiang Univ., Hangzhou
Abstract :
This paper presents the analysis and loss evaluation of the hard-switching and soft-switching inverters in the three-phase uninterrupted power supply (UPS). Both two-level and three-level hard-switching inverters and the chosen soft-switching inverters are designed to evaluate the loss and the efficiency. Tests of the influence of IGBT collector-emitter paralleled capacitor on IGBT turn-off loss through an experimental test-bench are also presented.
Keywords :
insulated gate bipolar transistors; invertors; uninterruptible power supplies; IGBT collector-emitter paralleled capacitor; IGBT turn-off loss; hard switching switching inverters efficiency evaluation; soft switching inverters efficiency evaluation; three-phase uninterrupted power supply; Circuits; Insulated gate bipolar transistors; Pulse width modulation inverters; Switches; Switching frequency; Switching loss; Testing; Topology; Uninterruptible power systems; Zero voltage switching;
Conference_Titel :
Electrical Machines and Systems, 2008. ICEMS 2008. International Conference on
Conference_Location :
Wuhan
Print_ISBN :
978-1-4244-3826-6
Electronic_ISBN :
978-7-5062-9221-4
