Operation, control and performance evaluation of parallel connected DC link series resonant inverter delivering to distributed load

Author

Muthuramalingam, A. ; Sastry, V.V.

Author_Institution

Dept. of Electr. Eng., Indian Inst. of Technol., Madras, India

Volume

2

fYear

2000

fDate

19-22 Jan. 2000

Firstpage

370

Abstract

DC link series resonance (DCLSR) is a new concept in power conversion and in specific to DC to AC conversion using IGBT. In this work, the operation and control strategies of parallel connected inverters delivering to common/distributed load are investigated. The DC-coupled control of link current from output voltage and load enables the parallel connected inverters to share the load power proportional to its individual inverter capacity with output voltage sinusoidal. The inverter operation and above control strategy and its digital implementation are verified through simulation. The results verify the reliable operation and load sharing of inverters connected in parallel at all loads and transients including short circuit condition. The practical and reliability aspects of this inverter is presented.

Keywords

insulated gate bipolar transistors; invertors; reliability; resonant power convertors; DC link series resonance; DC link series resonant inverter; DC to AC conversion; IGBT; common/distributed load; distributed load; link current; parallel connected inverters; parallel connection; performance evaluation; power conversion; reliability aspects; short circuit condition; sinusoidal output voltage; Frequency; Inductance; Insulated gate bipolar transistors; Power conversion; Proportional control; Pulse width modulation inverters; Resonance; Resonant inverters; Switches; Voltage control;

fLanguage

English

Publisher

ieee

Conference_Titel

Industrial Technology 2000. Proceedings of IEEE International Conference on

Print_ISBN

0-7803-5812-0

Type

conf

DOI

10.1109/ICIT.2000.854185

Filename

854185