Three-Phase Induction Motor
Like all motors, a three-phase induction motor contains a stator (the stationary part) and a rotor (which rotates). … Read More
Secondary Batteries | Types | Working
The main difference between primary batteries and secondary batteries is the ease with which secondary batteries can be … Read More
Three-Phase Power Measurement Methods
Different methods are utilized in order to measure three-phase power in a three-phase circuit. In this article, we … Read More
Advantages of Three-Phase System
A three-phase system has three generating windings, each out of phase with the other two by 120ºE. Figure 1 … Read More
Power Triangle and Power Factor in AC Circuits
An inductor is a coil of wire having resistance and, if an iron core is used, eddy current … Read More
Resistors in AC Circuits
The current flowing through a resistor is determined by Ohm’s Law for any instant of time: I = … Read More
Sine Wave Characteristics
Here are some of the terms used to describe alternating waveforms: 1. A ‘periodic function’ is an alternating … Read More
Magnetization Curve Explanation
Magnetization Curve Definition A curve, or loop, plotted on B-H coordinates showing how the magnetization of a ferromagnetic material varies … Read More
Magnetic Reluctance (Rm)
Some materials require high magnetizing forces to align their atomic dipoles in the same direction, while others are … Read More
Absolute and Relative Magnetic Permeability (µ)
The permeability of a material is defined as the ease with which a flux can be created in … Read More
Magnetic Flux Density (B)
Magnetic Flux density is the measure of the number of magnetic lines of force per unit of cross-sectional … Read More
Magnetic Field Intensity
The m.m.f. required to magnetize a unit length of a magnetic path is termed the magnetizing force or … Read More