Learn Electrical Engineering
Explore key electrical parameters — voltage, current, power, resistance, reactance, and impedance essential for system analysis and design.
German physicist Georg Simon Ohm published his remarkable findings in 1827. This was the relationship between voltage, current, and resistance. We refer to this as Ohm’s Law. What Exactly is Ohm’s Law? Ohm’s Law states that the current flowing through a conductor is directly proportional to the voltage across the conductor and inversely proportional to … Read more
For Battery Sizing Calculation First, we consider a single battery bank for DC power for the entire substation. In our case, the DC system is 220V; hence, we first set the voltage rating of our battery to 220V. Here, we need to note for future extension of the substation. Because once we installed the battery … Read more
Let us have a detailed discussion on the Quality Factor and Dissipation Factor. We also call these two factors the Q factor and the D Factor. What is Quality Factor or Q Factor? The Quality Factor, or Q factor, is the dimensionless parameter that describes the efficiency and sharpness of the reactive components. The reactive … Read more
Power stations generate electric power. Electrical power transmission lines transmit the generated power to far places. The resistance and reactance of the line cause a voltage drop in the power. The Voltage Regulation of Transmission Line is the change in voltage between the sending and receiving ends. What is Voltage Regulation? We express the Voltage … Read more
Skin effect is a phenomenon that occurs in conductors. It mainly occurs while a conductor carries alternating current. Actually, when an alternating current tries to flow through the outer layer of the conductor. The inner portion of the conductor carries much lower current than the outer surface. As a result, the current distribution across the … Read more