Title :
Multilevel Operation of a Dual Two-Level Inverter with Power Balancing Capability
Author :
Grandi, Gabriele ; Rossi, Claudio ; Lega, Alberto ; Casadei, Domenico
Author_Institution :
Dept. of Electr. Eng., Bologna Univ.
Abstract :
A multilevel converter topology feeding three-phase open-end winding loads is considered in this paper. The scheme is based on two insulated dc supplies, each one feeding a standard two-level, three-phase inverter. A three-phase six-wire load is connected across the output terminals. A new modulation technique able to regulate the sharing of the output power between the two dc sources within each switching cycle is presented. The performance of the whole system has been verified by numerical simulations and experimental tests
Keywords :
DC motors; PWM invertors; PWM power convertors; battery powered vehicles; machine windings; dual two-level inverter; insulated dc supplies; modulation technique; multilevel converter topology; multilevel operation; numerical simulations; power balancing capability; power sharing; space vector modulation strategy; three-phase inverter; three-phase open-end winding; three-phase six-wire load; voltage source inverter; Batteries; Control systems; Diesel engines; Hybrid electric vehicles; Inverters; Marine vehicles; Mechanical power transmission; Propulsion; Traction motors; Voltage; Multilevel converter; dual two-level inverter; power sharing; space vector modulation strategy; voltage source inverter;
Conference_Titel :
Industry Applications Conference, 2006. 41st IAS Annual Meeting. Conference Record of the 2006 IEEE
Conference_Location :
Tampa, FL
Print_ISBN :
1-4244-0364-2
Electronic_ISBN :
0197-2618
DOI :
10.1109/IAS.2006.256589
