Smart grid deployment, what we’ve done so far
The many smart grid technology areas – each consisting of sets of individual technologies – span the entire grid, from generation through transmission and distribution to various types of electricity… Read more
Aug 14, 2012 | By Edvard Csanyi
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
Delayed Auto-Reclosing On EHV Systems
On highly interconnected transmission systems, where the loss of a single line is unlikely to cause two sections of the system to drift apart significantly and lose synchronism, delayed auto-reclosing can be employed…. Read more
Aug 11, 2012 | By Edvard Csanyi
Primary Distribution Voltage Levels
Most distribution voltages are between 4 and 35 kV. In this article, unless otherwise specified, voltages are given as line-to-line voltages; this follows normal industry practice, but it is sometimes… Read more
Aug 10, 2012 | By Edvard Csanyi
The Structure Of Power System
An interconnected power system is a complex enterprise that may be subdivided into the following major subsystems: Generation Subsystem Transmission and Subtransmission Subsystem Distribution Subsystem Utilization Subsystem Generation subsystem includes… Read more
Aug 09, 2012 | By Edvard Csanyi
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
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
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
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
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
Basics of 3-phase Induction Motor (part 2)
Continued from first part – Basics of 3-phase Induction Motor (part 1) For the purpose of standardization, the preferred rated voltages of three phase induction motor shall be in accordance… Read more
Aug 02, 2012 | By Asif Eqbal
Basics of 3-phase Induction Motor (part 1)
This article will deal with those concepts of 3 phase induction motor which are essential prerequisite for proper selection, procurement, installation and maintenance of the same. Before any actual discussion… Read more
Aug 01, 2012 | By Asif Eqbal