Electric Motor
Motor protection depending on size and voltage level
Motor protections vary widely depending on the size of the motor and voltage level involved, thus only the more common ones are discussed in this technical article. Index Motor Instantaneous… Read more
Aug 30, 2012 | By Edvard Csanyi
Energy and Power
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 | By jiguparmar
Energy and Power
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 | By vinod ramireddy
Energy and Power
High resistance grounding equipment in mining applications
High resistance grounding equipment or permanently installed electrical distribution systems used in mines should be selected and applied as recommended for process industries. When mobile equipment is connected to the distribution system… Read more
Aug 22, 2012 | By Edvard Csanyi
Energy and Power
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 | By Edvard Csanyi
Energy and Power
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 | By vinod ramireddy
Energy and Power
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 | By Edvard Csanyi
Energy and Power
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 | By Edvard Csanyi
Electrical Lectures
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 | By Edvard Csanyi
Electrical Lectures
Electric Shock Current, Where Does It Go?
As we’ve already know, electricity requires a complete path (circuit) to continuously flow. This is why the shock received from static electricity is only a momentary jolt: the flow of… Read more
Aug 13, 2012 | By Edvard Csanyi
Energy and Power
Principles of Transformers in Parallel Connection (part 2)
Continued from first part – Principles of Transformers in Parallel Connection (1) All parallel units must be supplied from the same network. Secondary cabling from the transformers to the point… Read more
Aug 08, 2012 | By jiguparmar
Electric Motor
Basics of 3-phase Induction Motor (part 4)
When a motor is expected to operate in unfavorable conditions such as: Intermittent overloading Higher ambient temperatures A restricted temperature rise as for a spinning mill, A refinery or a… Read more
Aug 07, 2012 | By Asif Eqbal
Energy and Power
Principles of Transformers in Parallel Connection
For supplying a load in excess of the rating of an existing transformer, two or more transformers may be connected in parallel with the existing transformer. The transformers are connected… Read more
Aug 06, 2012 | By jiguparmar
Energy and Power
Reliability of Compressed Air Energy Storage Plant
As the name implies, the compressed air energy storage (CAES) plant uses electricity to compress air which is stored in underground reservoirs. When electricity is needed, this compressed air is withdrawn,… Read more
Aug 04, 2012 | By Edvard Csanyi
Electric Motor
Basics of 3-phase Induction Motor (part 3)
Continued fro second part – Basics of 3-phase Induction Motor (part 2) Technical data to be specified by purchaser before purchasing a 3 phase induction motor: No. Technical data to… Read more
Aug 03, 2012 | By Asif Eqbal
