Electrical Engg2 4 min read
AC/DC Converters
Wall adapter AC-DC converters (rectifiers) are such common devices that no one pays much attention to them unless they go missing…
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High voltage 1 min read
Voltage stresses:
Testing voltage: Testing with power frequency voltage: Testing with lightning impulse voltage: Testing with switching impulse: D.C.Voltage:
High voltage 4 min read
Generation and transmission of electric energy
The potential benefits of electrical energy supplied to a number of consumers from a common generating system were recognized shortly…
High voltage 2 min read
High voltage engineering
The principal objective of lecture notes is to cover the fundamentals of high voltage laboratory techniques, to provide an understanding of…
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…
Electrical machines 11 min read
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 4 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…
Design of 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…