Sulphur Hexa Fluoride Circuit Breakers
What is Hexa Fluoride (SF6)? Sulphur Hexa Fluoride (SF6) gas has the following properties which makes it superior to other
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Electrical Engineering
BUS Classification
In a power system each node or bus is associated with four quantities, such as magnitude of voltage, phase angle
Read MoreDistribution Systems
What is the distribution system in a power system? The system (i.e., transmission lines, transformers, etc.) by means of which
Read MoreBundled Conductors
What is Bundled Conductors? A “bundled conductor” is a conductor made up of two or more sub-conductors, called sub-conductors, per
Read MoreFerranti Effect
What is the Ferranti effect? In a medium or long transmission line when open circuited or lightly loaded the receiving
Read More1-φ Halfwave Rectifier with R-L Load and Free-wheeling Diode
The SCR is triggered at ωt = α, the source voltage vs appears across load as vo. At ωt =
Read MoreComparisons between ZCS and ZVS Resonant Converters
ZCS and ZVS Resonant Converters ZCS can eliminate the switching losses at turn-off and reduce the switching losses at turn-on.
Read MorePower Electronic Applications
1. Residential Refrigeration and freezers, Space heating, Air conditioning, Cooking, Lighting, Electronics (personal computers, other entertainment equipment). 2. Commercial Heating,
Read MoreQuality Factor Meter (Q Meter)
A quality factor meter is an instrument which is used to measure the value of storage factor Q directly and
Read MorePiezo Electric Transducers
When a varying potential applied to the proper axis of a crystal, there is a change in dimension of the
Read MoreCathode Ray Tube (CRT)
Cathode ray tube acts as the heart of the cathode ray oscilloscope (CRO). Below figure shows the basic construction and
Read MoreError in Electrodynamometer Wattmeters
The error occurring in electrodynamometer wattmeters are explained as under : 1. Error due to Connection There are two methods
Read MoreApplications of Electrodynamometer Type Instruments
Electrodynamometer type instruments can be used as ac voltmeter, Ammeters, Wattmeters and p.f. meters. With slight modification, they can also
Read MoreMaxwell’s Inductance Bridge
Maxwell’s Inductance Bridge measures an inductance by comparison with a variable standard self inductance. The bridge circuit arrangement with the
Read MoreElectrical and Electronic Measurements: Types of Errors
Error: Deviation of the measured value from the true value of the quantity being measured is called an error. A
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