B. Subbarayudu

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Multilevel inverters have gained interest in recent years in high-power medium-voltage industry. This paper considered the most popular structure among the transformer-less voltage source multilevel inverters, the diode-clamped inverter based on the neutral point converter. This paper use conventional switching sequence and optimum switching sequence of(More)
Sorghum is the fifth most important cereal and suffers heavy damage from rice weevil Sitophilus oryzae, reducing their quality and quantity. Studies were conducted to identify the association of grain characteristics and their relationship with resistance to the rice weevil. The paper discusses the associations between sorghum seed parameters, insect(More)
Thirty-two sweet sorghum genotypes were evaluated for resistance to shoot fly and stem borer during rainy seasons 2009–2012. The parameters viz., seedling vigour, glossiness, dead-hearts caused by shoot fly, stem borer, stem borer leaf damage score, stem borer stalk tunneling, stem borer exit holes and stem borer larvae/stalk were assessed for their(More)
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