Non Conventional Sources of Energy – Examples, Advantages and Disadvantages

Non Conventional Sources of Energy are those resources that were considered for use at scale after the 1973 oil crisis. For example, wind, solar, biomass, geothermal, tidal, etc. These sources of energy produce no or less pollution. These sources are generally renewable in nature. Hydro is not considered a non-conventional source of energy. Although it … Read more

Advantages and Disadvantages of Multilevel Inverter

In recent years, multilevel inverters have grown in popularity in medium and high-power applications. There are several advantages of multilevel inverters over two-level inverters, such as higher quality output, lower device rating, etc. In this article, we will learn what are the advantages and disadvantages of multilevel inverter. What are multilevel inverters? A multilevel inverter … Read more

Essential Qualities of Protection in Power System

A protection system that isolates a faulty component must possess certain qualities in order to function properly. These qualities are Selectivity or Discrimination Sensitivity Reliability Stability Fast operation Essential Qualities of Protection Let us understand each quality in detail. 1. Selectivity or Discrimination The selectivity or discrimination of a protective relay refers to how well … Read more

Zones of Protection in Power System

A power system deals with generation, transmission, and distribution of electrical power. Transformers, generators, bus bars, transmission & distribution lines, circuit breakers, etc. are the elements or equipment of a power system. Each element or equipment of the power system has its own protective scheme. For example, transformer protection, generator protection, bus bar protection, transmission … Read more

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