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PhD Seminar Talk-I of Saravanan Sivanesan (EE11D022)

November 17, 2017 @ 2:30 pm - 3:30 pm

TITLE:            Current Source Inverter for Grid Integrated PV System

DATE:             Friday,  November 17, 2017

TIME:              2:30 pm

VENUE:          ESB 244

SPEAKER:      Saravanan Sivanesan.  (EE11D022)

GUIDE:           Dr. Krishna Vasudevan

DC Members :

Dr. Mahesh Kumar (Chairperson)

Dr. Jagadeesh Kumar (M)

Dr. Ramesh.A (M)(ME)

Dr. Shanti Pavan (M)

Dr. Abhijit Deshpande (M)(Ch)



Rapid improvements in solar panel technology coupled with falling costs, makes sunlight the most sought after renewable energy source and solar PV a preferred technology for harnessing it especially in household applications employing roof top solutions. Where power levels are small, fewer panels are required, thereby resulting in lower dc voltages for array operation.


In this work, the use and control of Current Source Inverter (CSI) based grid tied PV systems is explored. Two power topologies – the conventional CSI and an Augmented CSI (ACSI) are considered for this purpose and their performances are compared. A novel space vector based PWM approach is implemented as appropriate to the two systems for proper control of dc link current and injected ac power. Simulation studies are presented. It is seen that the ACSI is able to provide grid current with lesser distortion and reasonable filter size.


Then a novel translated Space Vector PWM (SVPWM) is proposed to control the conventional current source inverter to improve the dynamics of the system. The approach relies on the average dc bus voltage to operate the current source inverter unlike the traditional dc current based method. Simulation results are provided that demonstrate the efficacy of the algorithm proposed.

All are cordially invited.


November 17, 2017
2:30 pm - 3:30 pm
Event Category:


ESB – 244
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