Multilevel Inverters For Electric Vehicle Applications

In the electric vehicles available on the market today a high voltage 200 400 v battery pack composed of several battery modules is connected to one or more inverters which create ac voltages to the electric propulsion machines.

Multilevel inverters for electric vehicle applications.

2 have almost no electromagnetic interference emi and common mode voltage. Habetler journal power electronics in transportation cat. Hybrid diode clamped multi level inverter for electric vehicle applications. Only reactive power flows between the converter and the system in static var compensation whereas the converter must handle bidirectional real power flow in the.

Using multilevel inverters as drives for automotive electric motors is a much different application than for the utility applications for which they were originality developed 7 9. This paper presents multilevel inverters as an application for all electric vehicle ev and hybrid electric vehicle hev motor drives. Habetler oak ridge national laboratory georgia institute of technology p o. The multilevel dc dc converter operates in a bidirectional manner which is a fundamental requirement in evs.

This paper presents multilevel inverters as an application for all electric vehicle ev and hybrid electric vehicle hev motor drives. Advantages of multilevel inverter. And 3 make an ev more. The branch of electronics that deals with conversion and control of electric power is called power.

Tolbert and fang zheng peng and thomas g. It has multilevel dc dc converter with a dc link capacitor voltage balance feature. Multilevel inverters for electric vehicle applications leon m. Diode clamped inverters and cascaded h bridge inverters.

Box 2009 school of electrical and computer engineering oak ridge tn 37831 8038 atlanta ga 30332 0250 tel. The multilevel inverters produce common mode voltage reducing the stress of the motor and don t damage the motor. 1 can generate near sinusoidal voltages with only fundamental frequency switching. Multilevel inverters types applications advantages and disadvantages all things have been explained in this article.

Multilevel inverters for electric vehicle applications article tolbert1998multilevelif title multilevel inverters for electric vehicle applications author leon m. Multilevel inverters can draw input current with low distortion 3. Diode clamped inverters and cascaded h bridge inverters 1 can generate near sinusoidal voltages with only fundamental frequency switching. This thesis analyses the use of a modular battery inverter con cept the cascaded multilevel inverter.

The multilevel converter has several advantages that is. This paper presents multilevel inverters as an application for all electric vehicle ev and hybrid electric vehicle hev motor drives. This paper introduces a new configuration of bidirectional multilevel converter in electric vehicle ev applications. In order to have a clear understanding of multi level inverters one should have an explicit idea about inverters and its purpose in power electronics.