A novel symmetrical & asymmetrical reduced-switch topologies for grid tied PV systems

ISSN: 22783075
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Abstract

Multi-level Inverter topology sustains the emergence of modish power-electronic converter as an expressive substitute to the formal two-level inverters in the area of high power mid-voltage energy conversion systems. Multilevel inverter recommends the most outstanding solution for high-power applications particularly in grid-integrated distributed generation scheme; there has been key interest in establishment of novel multilevel inverter structures with fewer switching components. This paper introduces the novel symmetric five-level and Asymmetric seven-level reduced-switch multilevel inverter topologies and administered by novel advanced multi-carrier pulse-width modulation scheme. The proposed multilevel inverter topologies are highly offered in distributed generation applications. For generation of three phase 7-level output voltage, the traditional topologies requires 36 switches and the proposed topology needs only 18 switches acquires the fewer switching elements, low gate drive circuits, low cost, minimum space requirement, low voltage dv/dt switch stress, low switching loss and high efficiency. The performance analysis of proposed symmetric five-level and Asymmetric seven-level reduced-switch inverter topologies has been carried-out by using Computer Simulation tool; the respective simulation results illustrates the RMS voltage quality, low THD, low LC filter units.

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APA

Punya Sekhar, C., Ramana Rao, P. V., & Vani, M. U. (2019). A novel symmetrical & asymmetrical reduced-switch topologies for grid tied PV systems. International Journal of Innovative Technology and Exploring Engineering, 8(8), 2209–2215.

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