CLASSIFICATION OF POWER SYSTEM STABILITY
A typical modern power system is a high-order multivariable process whose dynamic response is influenced by a wide array of…
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POWER SYSTEM STABILITY
“Power system stability is the ability of an electric power system, for a given initial operating condition, to regain a…
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WHY USE RENEWABLE ENERGY SOURCES?
The term alternative energy is referred to the energy produced in an environmentally friendly way (different from conventional means, i.e.,…
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WHY DISTRIBUTED GENERATION SYSTEM?
The five major factors that contribute to the renewed interest in distributed generation (DG) system: Electricity market liberalization Developments in…
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DISTRIBUTED GENERATION SYSTEMS
Distributed Generation (DG) also called as site generation, dispersed generation, embedded generation, decentralized generation, decentralized energy or distributed energy, generates…
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POWER MOSFET FEATURES
Main features of power MOSFETs are: a) MOS type FETs are basically majority carrier devices; consequently, they differ greatly from…
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RAMP AND PEDESTAL UJT-SCR CONTROL CIRCUIT
The circuit, shown below, uses a UJT to trigger a SCR. The UJT is used to more accurately trigger the…
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OPERATING PRINCIPLE OF A GATE TURNOFF THYRISTOR GTO
GTO being a monolithic p-n-p-n structure just like a thryistor its basic operating principle can be explained in a manner…
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THE PER UNIT SYSTEM
In many engineering situations it is useful to scale, or normalize, dimensioned quantities. This is commonly done in power system…
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THE NEED FOR SWITCHING IN POWER ELECTRONIC CIRCUITS
The heart of any power electronic circuit is its semiconductor-switching network. The question arises here as to whether we have…