Aziz, J. A. and Salam, Zainal (2004) A new pulse-width modulation (PWM) scheme for modular structured multilevel voltage source inverter. International Journal of Electronics, 9 (4). pp. 211-226. ISSN 0020-7217
This work proposes a new switching scheme for a particular multilevel topology, known as the modular structured multilevel inverter (MSMI). The proposed scheme is based on symmetric regular sampled unipolar PWM, with multiple modulating waveforms and a single carrier. Mathematical equations that define the PWM switching instants are derived. These equations are suitable for digital implementation. An experimental five-level MSMI test-rig is built to implement the proposed algorithm. The derived equations are implemented by a low-cost fixed-point microcontroller. Several tests to quantify the performance of the inverter under the proposed modulation scheme are carried out.
|Uncontrolled Keywords:||switching scheme, multilevel topology, modular structured multilevel inverter (MSMI), unipolar PWM|
|Subjects:||T Technology > TK Electrical engineering. Electronics Nuclear engineering|
|Deposited By:||Ms Zalinda Shuratman|
|Deposited On:||28 Apr 2010 04:27|
|Last Modified:||12 Feb 2017 08:16|
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