Research on the Neutral-Point Voltage Balance for NPC Three-Level Inverters under Non-Ideal Grid Conditions

Research on the Neutral-Point Voltage Balance for NPC Three-Level Inverters under Non-Ideal Grid Conditions

In order to solve the neutral-point voltage unbalancing problem for neutral-point clamped (NPC) three-level inverters under non-ideal grid conditions, a novel zero-sequence component injection method for modulation signals was proposed in this paper. Based on the mathematical expressions of neutral-...

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Bibliographic Details
Main Authors: Jian Guo Lyu, Ji Dong Wang, Wen Bin Hu, Zhao Feng Wu
Format: Article
Language:English
Published: MDPI AG 2018-05-01
Series:Energies
Subjects:
non-ideal grid
three-level inverters
neutral-point voltage balance
modulation signals
region selection
Online Access:http://www.mdpi.com/1996-1073/11/6/1331

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