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Monthly Archive for: «August, 2012»

Purpose of Shielded Isolation Transformer

A shielded transformer is a two-winding transformer, usually delta–star connected and serves the following purposes: – Voltage transformation from the distribution voltage to the equipment’s utilization voltage. – Converting a 3-wire… Read more

Aug 29, 2012 | Edvard

Using shielded isolation transformer in power distribution systems

Floating Neutral Impacts in Power Distribution

If the Neutral Conductor is opened, broke or lost at either of its source side (Distribution Transformer, Generator or at Load side – Distribution Panel of Consumer), the distribution system’s… Read more

Aug 27, 2012 | jiguparmar

Floating Neutral Impacts in Power Distribution

An Overview of Combined Cycle Power Plant

The Combined Cycle Power Plant or combined cycle gas turbine, a gas turbine generator generates electricity and waste heat is used to make steam to generate additional electricity via a… Read more

Aug 25, 2012 | vinod ramireddy

An overview of Combined Cycle Power Plant (photo credit: businesswire.com)

Power Transformer Construction – Windings

Continued from tech. article: Power Transformer Construction – Core The windings consist of the current-carrying conductors wound around the sections of the core, and these must be properly insulated, supported and… Read more

Aug 24, 2012 | Edvard

750kVA dry type transformer windings

Power Transformer Construction – The Core

The construction of a power transformer varies throughout the industry. The basic arrangement is essentially the same and has seen little significant change in recent years, so some ofthe variations… Read more

Aug 23, 2012 | Edvard

Power Transformer Construction - Core

Overview Of Power System Architecture

The various components of a power system can be arranged in different ways. The complexity of the resulting architecture determines the availability of electrical energy and the cost of the… Read more

Aug 21, 2012 | Edvard

Overview Of Power System Architecture

An Overview Of Smart Power Grid

The present electric grids use the technology of 1970’s. But with the advancement in various concepts of power generation, problems associated with power outages and thefts, and also due to… Read more

Aug 20, 2012 | vinod ramireddy

An Overview Of Smart Power Grid

Properties of Relay Contact System

The word “contact“ not only describes the conductive connection ot two mechanically separate electrical conductors, but also the conductive parts (contacts) even if they are not touching. Contacts comprise: Non… Read more

Aug 18, 2012 | Edvard

Properties of Relay Contact System

Site Conditions Impact on Caterpillar Genset Ratings

An engine rating is primarily limited by structural and thermal limits. These limits include maximum cylinder pressure during combustion, turbocharger speed, exhaust gas temperature and in natural gas engines, fuel type. Where an… Read more

Aug 17, 2012 | Edvard

Site Conditions Impact on Genset Ratings - Caterpillar

Water-and-Pipe Analogy for Ohm’s Law

Ohm’s Law also makes intuitive sense if you apply it to the water-and-pipe analogy. If we have a water pump that exerts pressure (voltage) to push water around a ”circuit” (current)… Read more

Aug 15, 2012 | Edvard

An analogy for Ohm’s Law


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