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Design of Grid Connected PWM Converters Considering Topology and PWM Methods for Low-Voltage Renewable Energy Applications
Date
2014-05-21
Author
Kantar, Emre
Hava, Ahmet Masum
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This work is licensed under a
Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License
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This paper assesses the feasibility three-phase PWM three-level voltage source converters (VSCs), namely NPC-type VSC (3L-NPC) and T-type VSC (3L-T) as alternatives to standard three-phase PWM two-level VSC (2L-VSC) for low-voltage grid interface applications, The topological performances are compared through a design algorithm regarding varying switching frequency, load condition, modulation index, and converter side inductance under distinct pulse-width modulation methods, Design of the LCL filter is also addressed, With the proposed design algorithm, a wide range of power levels (100kW-7MW) can be spanned and in the end the optimum topology and its design details are determined by comparing the return on investment (the pay-off time of total cost of ownership) of each design in the major energy markets.
Subject Keywords
Grid-connected VSC
,
LCL filter
,
two-level VSC
,
Three-level NPC
,
Three-level T
URI
https://hdl.handle.net/11511/55294
Collections
Department of Electrical and Electronics Engineering, Conference / Seminar