Electrical machines 4 min read
Magnetic Leakage in Rotating Machines
Magnetic Leakage in Rotating Machines – The leakage flux in rotating machines is that flux which links only the stator or only the…
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Types of Electrical Drives
Types of Electrical Drives has the following major parts: load, motor, power modulator, control unit and source. There are large number…
Electrical machines 3 min read
Applications of Rotating Machines
Applications of Rotating Machines are normally divided into two categories: those with voltage ratings less than 6,600 V are called low…
Electrical machines 4 min read
Motoring Mode of Operation of an Electrical Machines
Motoring Mode of Operation of an Electrical Machines – Electricity does not occur naturally in usable form and it also cannot…
Electrical machines 8 min read
ELECTRICAL MACHINES
1. AC DC Converters 2. AC Motor Control 3. AC Windings 4. Application of Permanent Magnet 5. Approximate Circuit Model 6. Approximate Equivalent Circuit Transformer 7. Armature…
Electrical machines 3 min read
Magnetic Circuit Calculations
Normally magnetic circuit calculations involve two types of problems. In the first type of problem it is required to determine the excitation…
Electrical machines 5 min read
Magnetic Materials Properties
Magnetic Materials Properties – From the magnetic point of view a material is classified according to the nature of its relative…
Electrical machines 1 min read
Compound Generator
The causes of voltage drop in the terminal voltage from no-load to full-load in a shunt generator can be partially/fully/over-compensated…
Electrical machines 4 min read
Optimal Operations of Generators on a Bus Bar
Optimal Operations of Generators on a Bus Bar – The major component of generator operating cost is the fuel input/hour, while…
Electrical machines 2 min read
Electrostatic Generators
Van de Graaff generators are essentially high voltage but low power devices, and their power rating seldom exceeds few tens of kilowatts.…
Electrical machines 3 min read
Characteristics of DC Generators
With the advent of silicon-controlled rectifiers, the importance of the dc machine as a generator has considerably reduced as SCRs can be…
Electrical machines 6 min read
Introductions to DC Machines
A dc machine is constructed in many forms and for a variety of purposes, from the 3-mm stepper drawing a few AA…