Definition: The magnetomotive force (MMF) is defined as the work done in moving a unit magnetic pole once around the magnetic circuit. It is measured in ampere-turns. Magnetomotive force (MMF) …
Magnetic hysteresis refers to the phenomenon exhibited by magnetic materials where their magnetization lags behind changes in the applied magnetic field. Hysteresis means “lagging behind.” With respect to the magnetic …
In electrical engineering, proficiency in partial discharge (PD) testing is essential. This technique is vital for assessing the condition and safety of electrical systems. Your skills in PD testing contribute …
Understanding electrical machines is not an easy task, especially if you are a novice student who is only starting to explore the theory and learn your way around the software. …
A current limiting reactor, also known as a series reactor, is an inductive coil with a large inductive reactance compared to its resistance. It is used to limit short-circuit currents …
In the ever-evolving world of automotive technology, innovations have continually shaped the way vehicles operate and function. One significant development that transformed the electrical systems of cars was the transition …
Direct Current (DC) shunt generators play a vital role in converting mechanical energy into electrical energy. They are widely used in various applications, including power plants, industrial processes, and renewable …
DC generators are widely used in various applications such as electric vehicles, renewable energy systems, and industrial machinery. Among the different types of DC generators, separately excited DC generators are …
This set of DC Machines Construction MCQ focuses on objective questions based on construction of dc generator and dc motor. DC Machines Construction MCQ Question 1 The commutator segments are …
Percentage reactance of power system elements such as generator, transformer and reactor are extensively used in short circuit calculation when any fault occurs in the system. Most faults in the …
Transformer windings are one of the most important parts of a transformer. There are different types of transformer windings available on the market. The selection of transformer windings is based …
CNC machining is essential to the developing field of contemporary manufacturing. But what precisely is CNC? What does a CNC machinist do, and how does it relate to the manufacturing …
This set of DC Generator Problems with Solution focuses on problems based on EMF equation of DC Generator. DC Generator Problem 1 A four-pole generator, having wave-wound armature winding has …
A DC generator is a machine which converts mechanical energy (or power) into electrical energy (or power). The energy conversion is based on the principle of the production of dynamically …
Hydraulic pumps are mechanically driven and use a rotating output shaft to deliver pressure. We use them in various industrial, commercial, and agricultural applications. Types of Hydraulic Pumps There are …
Slip rings are small devices that have a very important role in all types of devices, equipment, and machinery that come in all sizes, from the smallest to the largest …