Power Generation
INTRODUCTION Electrical energy is generated by conversion of energy available in different forms from different natural sources such as pressure
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Electrical Engineering
TYPES OF STEPPER MOTORS
Variable-Reluctance Stepper Motors A variable-reluctance stepper motor consists of a single or several stacks of stators and rotors. Stators have
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The stepper motor is a special type of synchronous motor which is designed to rotate through a specific angle called
Read MoreTWO-PHASE SERVOMOTOR
SERVOMOTOR For a low-power (~300 W) control application, 2-phase balanced servomotor driven by ac amplifier is used in control applications.
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What is Power Electronics?
Power electronics combine power, electronics, and control. Control deals with the steady-state and dynamic characteristics of a closed-loop system. Power
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What is Power Systems?
Electrical Engineering What is Power Systems? Out of all the forms of energy, electric energy is the most important one
Read MoreDifference between Induction Motor and Transformer
Induction Motor Vs Transformer Transformer Induction Motor (i) Electrical to electrical conversion through high permeability core. (i) Electrical to mechanical
Read MoreExcitation Systems for Synchronous Machines
Definition :- The system which provides DC to the synchronous machine field winding to perform protective and control function of
Read MoreDC Machine Construction
A DC machine has two main parts stator and rotor. The stator of the machine does not move, i.e., stationary
Read MoreTypes of Transformers
Generally, there are two types of transformers, the core type and shell type. In core type the windings surround a
Read MoreSulphur Hexa Fluoride Circuit Breakers
What is Hexa Fluoride (SF6)? Sulphur Hexa Fluoride (SF6) gas has the following properties which makes it superior to other
Read MoreBUS Classification
In a power system each node or bus is associated with four quantities, such as magnitude of voltage, phase angle
Read MoreHydro-electric Power Plants
What is hydraulic electric power? Hydro-electric power is the power obtained from the energy of falling water whereas hydro-electric power
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.
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