Boosting the fundamental output voltage in delta modulated inverters

Author

Maswood, Ali I. ; Rahman, M.A.

Author_Institution

Sch. of Electr. & Electron. Eng., Nanyang Technol. Inst., Singapore

Volume

20

Issue

12

fYear

2000

fDate

12/1/2000 12:00:00 AM

Firstpage

51

Lastpage

53

Abstract

This letter presents an improved delta modulator with a proportional integral controller that generates a switching pattern that can handle inverter switching requirements with minimum complexity. The new delta modulator also optimizes the slope of the feedback signal, window width, and magnitude of the delta modulator (DM) reference signal. It has been found that proper selection of these parameters plays a vital role in the design of voltage source inverters with special applications in adjustable speed drives.

Keywords

DC-AC power convertors; control system synthesis; delta modulation; invertors; switching circuits; two-term control; voltage control; VSI; adjustable speed drives; delta modulated inverters; delta modulator reference signal magnitude; feedback signal; fundamental output voltage boosting; inverter switching requirements; proportional integral controller; switching pattern generation; voltage source inverters; window width; Boosting; Circuits; Delta modulation; Feedback; Frequency; Inverters; Pi control; Proportional control; Resistors; Voltage control;

fLanguage

English

Journal_Title

Power Engineering Review, IEEE

Publisher

ieee

ISSN

0272-1724

Type

jour

DOI

10.1109/39.890378

Filename

890378