IJSRST1841328 | Received : 12 Feb 2018 | Accepted : 25 Feb 2018 | January-February-2018 [ (4) 2: 1443-1451] © 2018 IJSRST | Volume 4 | Issue 2 | Print ISSN: 2395-6011 | Online ISSN: 2395-602X Themed Section: Science and Technology 1443 Analysis and Design of PWM Multi-Level NPC Inverter for Power Quality Integration of Wind Power into Grid Ramu Velishala Assistant Professor, Department of EEE, University College of Engineering, Kakatiya University, Kothagudem, Telangana , India ABSTRACT This paper thinks about the modeling switching strategy and control conspire for impartial point clamped converter sustained into matrix. Design and Analysis of PWM 3– level inverter for power quality mix of wind power in to network to interface with the medium voltage framework. Inverters are arranged into single level inverter and multi-level converter. Multi-level converter has a ton of favorable position to single level inverters have least harmonic twisting, lessened EMI/RFI creation and keep running on very surprising voltage levels. Multi-level inverter is utilized for a few mechanical applications, for example, power filters, static var compensators and drives applications. The disadvantages are the disconnected power supplies required for every last one of the phases of the multi-level converter and costlier, extreme to oversee in programming. This venture goes for the reproduction investigation of 3-ɸ single level and multi-level convertor. The part of convertor in dynamic power channel for harmonic elimination is considered and reproduced in MATLAB/SIMULINK. Right off the bat, the 3-ɸ framework with non-straight loads is demonstrated and their trademark is resolved. Also, the dynamic power filters are making with the convertor and fitting switch regulation technique (PWM technique) to hold out harmonic elimination. Keywords: Fuel Cells, Transmitted And Power Generation, Power Electronics, Photo-voltaic (PV), Renewable Energy. I. INTRODUCTION At the point when air conditioning loads are associated with inverters it required that the yield voltage of wanted voltage greatness and recurrence be accomplished. A variable yield voltage may b acquired by changing the input dc voltage and keeps up the pick up of the converter steady. Then again, if the dc input voltage is settled to a specific size and it isn't variable, an alterable yield voltage might be gotten by changing the pick up of the converter, which is typically done by pulse-width-modulation (PWM) control inside the converter. The inverters which produce a yield voltage and a current with levels between 0 or +V and – V are known as 2 level inverters. In high-power and high-voltage applications these 2-level converters however have some confinement in working at high recurrence for the most part because of switching misfortunes and imperatives of gadget rating. This is the place multilevel inverters are beneficial. Expanding the no of voltage levels in the inverter without utilizing higher rating on singular inverter devices may build power rating of the gadget. The special model of multilevel VSI enables them to approach high voltages with low harmonics content without the utilization of transformers gadget or arrangement associated synchronized-switching devices. The harmonic substance of the yield voltage waveform diminishes in inverter quickly. Multilevel converters have been