A laboratory setup is developed to experimentally reinforce the student’s understanding of multilevel neutral point clamped inverter operated with various multicarrier and modulation reference signals. Sixteen combinations of carrier and reference signals out of many more possible are studied in this setup. The lab module is project-based and is designed to perform experiments for the ‘advanced power electronics and drives’ course at the undergraduate level. The hardware implementation details of the multilevel inverter are given in detail for reference to the teachers, students and researchers. Flexible hardware able to be driven by an analogue pulse-generation circuit is explained here or by an external digital programmable device is developed. With the help of dSPACE, complex reference signals are produced for performance analysis.
BabaeiELaaliSBayatZ.A single-phase cascaded multilevel inverter based on a new basic unit with reduced number of power switches. IEEE Trans Ind Electron2015;
62: 922–929.
2.
NabaeATakahashiIAkagiH.A new neutral-point-clamped PWM inverter. IEEE Trans Ind Appl1981;
5: 518–523.
3.
PerezMABernetSRodriguezJ, et al.
Circuit topologies, modeling, control schemes, and applications of modular multilevel converters. IEEE Trans Power Electron2015;
30: 4–17.
4.
NamiALiangJDijkhuizenF, et al.
Modular multilevel converters for HVDC applications: review on converter cells and functionalities. IEEE Trans Power Electron2015;
30: 18–36.
5.
RodriguezJBernetSSteimerPK, et al.
A survey on neutral-point-clamped inverters. IEEE Trans Ind Electron2010;
57: 2219–2230.
6.
HavaAMKerkmanRJLipoTA.Carrier-based PWM-VSI overmodulation strategies: analysis, comparison, and design. IEEE Trans Power Electron1998;
13: 674–689.
7.
AbdelhakimADavariPBlaabjergF, et al.
Switching loss reduction in the three-phase quasi-z-source inverters utilizing modified space vector modulation strategies. IEEE Trans Power Electron2018;
33: 4045–4060.
8.
LeonJIKouroSFranqueloLG, et al.
The essential role and the continuous evolution of modulation techniques for voltage-source inverters in the past, present, and future power electronics. IEEE Trans Ind Electron2016;
63: 2688–2701.
9.
McGrathBPHolmesDG.Multicarrier PWM strategies for multilevel inverters. IEEE Trans Ind Electron2002;
49: 858–867.
10.
TolbertLMHabetlerTG.Novel multilevel inverter carrier-based PWM method. IEEE Trans Ind Appl1999;
35: 1098–1107.
11.
XuJHanJWangY, et al. High frequency SiC three-phase VSIs with common-mode voltage reduction and improved performance using novel tri-state PWM method. IEEE Trans Power Electron. Epub ahead of print 24 April 2018; DOI: 10.1109/TPEL.2018.2829530.
12.
ShayestehfardAMekhilefSMokhlisH.Modified scalar discontinuous pulse-width modulation method for two-level three-wire voltage source inverters under unbalanced and distorted conditions. IET Power Electron2015;
8: 1339–1348.
13.
WuBNarimaniM.High-power converters and AC drives.
Hoboken, NJ:
John Wiley & Sons, 2017.
14.
ManeJJAwareMA. Comparative study of different multilevel inverters under different modulation strategies. In: Proceedings of NPEC2011, Kolkata, India, 2011.
15.
YaoWHuHLuZ.Comparisons of space-vector modulation and carrier-based modulation of multilevel inverter. IEEE Trans Power Electron2008;
23: 45–51.
16.
RodriguezJLaiJSPengFZ.Multilevel inverters: a survey of topologies, controls, and applications. IEEE Trans Ind Electron2002;
49: 724–738.
17.
ClementeSDubhashiA.HV floating MOS-gate driver IC.
El Segundo, CA:
International Rectifier, 1994.
18.
ChanFHChengKH.Microprocessor-based interactive PWM inverter. Int J Electr Eng Edu1985;
22: 213–219.
19.
RuferAC.An aid in the teaching of multilevel inverters for high power applications. IEEE Power Electron Special Conf1995;
1: 347–352.
20.
MuokaPIHaqueMEGargoomA, et al.
DSP-based hands-on laboratory experiments for photovoltaic power systems. IEEE Trans Educ2015;
58: 39–47.
21.
HuQLiFChenCF.A smart home test bed for undergraduate education to bridge the curriculum gap from traditional power systems to modernized smart grids. IEEE Trans Educ2015;
58: 32–38.
22.
SahooNCVejianRGobbiR.Using PSpice for teaching output current control in DC-AC inverters to undergraduate students. Int J Electr Eng Educ2008;
45: 356–370.
23.
KeatchRPLawrensonB.Practical microelectronics for electronic engineering students. Int J Electr Eng Educ1998;
35: 117–138.
24.
PandeyAKothariDPMukerjeeAK, et al.
Modelling and simulation of power factor corrected AC-DC converters. Int J Electr Eng Educ2004;
41: 244–264.
25.
RajMMPSundaramSSM.Cascaded H-bridge five-level inverter for grid-connected photovoltaic system using proportional–integral controller. Measure Control2016;
49: 33–41.
26.
GeethaRRamaswamyM.New series parallel switched multilevel inverter for a three phase induction motor. J Vibrat Control2018;
24: 1440–1454.
27.
MaruthupandiPDevarajanNSebasthiraniK, et al.
Optimum control of total harmonic distortion in field programmable gate array-based cascaded multilevel inverter. J Vibrat Control2015;
21: 1999–2005.
28.
ChabniFTalebRHelaimiMH. Optimum SHEPWM for a new 21-level inverter topology using numerical optimization methods: experimental comparative study. J Vibrat Control. Epub ahead of print 19 February 2018. DOI: 1077546318758799.
