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Study and Practice of A New Type TPWM Technique(PDF)

南京师范大学学报（工程技术版）[ISSN:1006-6977/CN:61-1281/TN]

Issue:
2003年02期
Page:
62-66
Research Field:
Publishing date:

Info

Title:
Study and Practice of A New Type TPWM Technique
Author(s):
Shi Guosheng
College of Electrical and Electronic Engineering,Nanjing Normal University, 210042, Nanjing, PRC
Keywords:
trapezoid-wave;  pulse-width modulation;  system principle;  wave conversion
PACS:
TN761
DOI:
-
Abstract:
A new type trapezoid-wave PWM technique employed in VFVS ( varying- frequency and varying- speed) system was studied. The circuit principle and wave transformation as well as organization of sub- circuit are demonstrated systemically. Furthermore, the delta PWM inverter, the key unit in system, are also discussed in paper. Exper iment results show that the new technique has an ideal effect in harmonic wave suppression, high efficiency of energy conversion and advantage of smoothly conversion between constant torque and constant power.

References:

[ 1] Marlen Varnovitsky. Development and Comparative Analysis of a Pulse-Width Modulation Strategy [ J] . IEEE Trans Ind Electron,1984, IE- 31( 3) : 272~ 276.
[ 2] 吴安顺. 高效率抑制PWM 型逆变器谐波的梯形调制信号[ J] . 电气传动, 1987, ( 6) : 10~ 14.
[ 3] Phoivos, Ziogas D. The DeltaModulation Technique in static PWM Inverters[ J] . IEEE Trans Ind Appl, 1981, IA17( 2) : 199~ 204.

Memo

Memo:
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Last Update: 2013-04-29