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
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
If you’re new to cars and wondering about the difference between battery and alternator, this is the guide you need. You see, both are related to a car’s electric system but they do different jobs. Let’s take a look at what they do in order to find answers to your questions regarding the two. Difference … Read more
The cut sheet is basically a document that summarizes technical information and describes the characteristics of a product, material, or piece of equipment. A cut sheet is also known as a specification sheet or spec sheet or technical data sheet, or data sheet. A cut sheet is a common way of describing features or specifications … Read more
Watt’s law describes the relationship among electric current, voltage, and electrical power. According to this law, the power in a circuit is a product of the voltage and the electric current. Watts law was named after James Watt, a Scottish engineer, and chemist. We will discuss Watt’s law, its formula, applications, as well as other … Read more
Heat is generated during the operation of a transformer due to ohmic losses (I2R losses) in the winding and core. The removal of heat from the transformer is called transformer cooling. In this article, we will learn different ways to cool a transformer. Types of Transformer Cooling Methods Depending upon the type of transformer, transformer … Read more
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
In the previous article on “zones of protection in power system“, we see that in order to ensure the safety of the power system, it is divided into different zones. For each zone, there is an appropriate protective scheme. In this article, we will learn about two types of protection in a power system i.e. … Read more
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
Basically, green energy refers to the energy that is derived from natural resources such as water, wind, and sunlight. This type of energy is often derived from renewable sources. These types of energy sources are important in that they do not harm the environment by emitting no or lesser greenhouse gases into the atmosphere as … Read more
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