Investigations of multi-carrier pulse width modulation schemes for diode free neutral point clamped multilevel inverters
Balancing; Diodes; Field programmable gate arrays (FPGA); Harmonic distortion; Induction motors; Pulse width modulation; Voltage control; Wave filters; 3-level inverters; Multi carrier pulse width modulation; Multilevel inverter; Total harmonic distortion (THD); Xilinx system generator; Electric inv...
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Korean Institute of Power Electronics
2023
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my.uniten.dspace-246702023-05-29T15:25:42Z Investigations of multi-carrier pulse width modulation schemes for diode free neutral point clamped multilevel inverters Chokkalingam B. Bhaskar M.S. Padmanaban S. Ramachandaramurthy V.K. Iqbal A. 57416786800 56229894300 18134802000 6602912020 7005402806 Balancing; Diodes; Field programmable gate arrays (FPGA); Harmonic distortion; Induction motors; Pulse width modulation; Voltage control; Wave filters; 3-level inverters; Multi carrier pulse width modulation; Multilevel inverter; Total harmonic distortion (THD); Xilinx system generator; Electric inverters Multilevel Inverters (MLIs) are widely used in medium voltage applications due to their various advantages. In addition, there are numerous types of MLIs for such applications. However, the diode-less 3-level (3L) T-type Neutral Point Clamped (NPC) MLI is the most advantageous due to its low conduction losses and high potential efficiency. The power circuit of a 3L T-type NPC is derived by the conventional two level inverter by a slight modification. In order to explore the MLI performance for various Pulse Width Modulation (PWM) schemes, this paper examines the operation of a 3L (five level line to line) T-type NPC MLI for various types of Multi-Carriers Pulse Width Modulation (MCPWM) schemes. These PWM schemes are compared in terms of their voltage profile, total harmonic distortion (THD) and conduction losses. In addition, a 3L T-type NPC MLI is also compared with the conventional NPC in terms of number of switches, clamping diodes, main diodes and capacitors. Moreover, the capacitor-balancing problem is also investigated using the Neutral Point Fluctuation (NPF) method with all of the MCPWM schemes. A 1kW 3L T-type NPC MLI is simulated in MATLAB/Simulink and implemented experimentally and its performance is tested with a 1HP induction motor. The results indicate that the 3L T-type NPC MLI has better performance than conventional NPC MLIs. � 2019 KIPE. Final 2023-05-29T07:25:42Z 2023-05-29T07:25:42Z 2019 Article 10.6113/JPE.2019.19.3.702 2-s2.0-85068688301 https://www.scopus.com/inward/record.uri?eid=2-s2.0-85068688301&doi=10.6113%2fJPE.2019.19.3.702&partnerID=40&md5=6986da9e00ec946ff20c0d1d6ea82d24 https://irepository.uniten.edu.my/handle/123456789/24670 19 3 702 713 Korean Institute of Power Electronics Scopus |
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Balancing; Diodes; Field programmable gate arrays (FPGA); Harmonic distortion; Induction motors; Pulse width modulation; Voltage control; Wave filters; 3-level inverters; Multi carrier pulse width modulation; Multilevel inverter; Total harmonic distortion (THD); Xilinx system generator; Electric inverters |
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57416786800 Chokkalingam B. Bhaskar M.S. Padmanaban S. Ramachandaramurthy V.K. Iqbal A. |
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Article |
| author |
Chokkalingam B. Bhaskar M.S. Padmanaban S. Ramachandaramurthy V.K. Iqbal A. |
| spellingShingle |
Chokkalingam B. Bhaskar M.S. Padmanaban S. Ramachandaramurthy V.K. Iqbal A. Investigations of multi-carrier pulse width modulation schemes for diode free neutral point clamped multilevel inverters |
| author_sort |
Chokkalingam B. |
| title |
Investigations of multi-carrier pulse width modulation schemes for diode free neutral point clamped multilevel inverters |
| title_short |
Investigations of multi-carrier pulse width modulation schemes for diode free neutral point clamped multilevel inverters |
| title_full |
Investigations of multi-carrier pulse width modulation schemes for diode free neutral point clamped multilevel inverters |
| title_fullStr |
Investigations of multi-carrier pulse width modulation schemes for diode free neutral point clamped multilevel inverters |
| title_full_unstemmed |
Investigations of multi-carrier pulse width modulation schemes for diode free neutral point clamped multilevel inverters |
| title_sort |
investigations of multi-carrier pulse width modulation schemes for diode free neutral point clamped multilevel inverters |
| publisher |
Korean Institute of Power Electronics |
| publishDate |
2023 |
| _version_ |
1806424201087680512 |
| score |
13.222552 |