Technical Guide/Paper
FAT procedure for LV switchboards
Visual inspection with customer will be carried out on the LV switchboard to: Check the layout of fitted components Check the over all dimension of switchboard, size of busbars, cables… Read more
Mar 10, 2012 | By Edvard Csanyi
Electric Motor
Why do we find electric motor drive very important?
Electric motors impact almost every aspect of modern living. Refrigerators, vacuum cleaners, air conditioners, fans, computer hard drives, automatic car windows, and multitudes of other appliances and devices all use… Read more
Feb 29, 2012 | By Edvard Csanyi
Technical Guide/Paper
Guide to MV/LV transformer substations
An electrical transformer substation consists of a whole set of devices (conductors, measuring and control apparatus and electric machines) dedicated to transforming the voltage supplied by the medium voltage distribution… Read more
Feb 10, 2012 | By Edvard Csanyi
Electrical Lectures
About Permeability And Permitivity
The strength of electric field or electrostatic force strength or intensity of field (all synonymous terms) is measured & expressed in terms of force experienced by unit positive charge placed… Read more
Feb 01, 2012 | By Asif Eqbal
Technical Guide/Paper
Best Practice Manual For Transformers
Distribution transformers are very efficient, with losses of less than 0.5% in large units. Smaller units have efficiencies of 97% or above. It is estimated that transformer losses in power… Read more
Jan 27, 2012 | By Edvard Csanyi
Cables
EHV/HV Underground Cable Sheath Earthing (part 1/2)
In urban areas, high voltage underground cables are commonly used for the transmission and distribution of electricity. Such high voltage cables have metallic sheaths or screens surrounding the conductors, and/or… Read more
Jan 19, 2012 | By jiguparmar
Electric Motor
The Cage Induction Motor Explained In Details
This simplest form of AC induction motor or asynchronous motor is the basic, universal workhorse of industry. Its general construction is shown in Fig. 1. It is usually designed for… Read more
Dec 29, 2011 | By Edvard Csanyi
Medium Voltage
Consequences of internal arc for personal safety and MV electrical equipment
The aim of this article is to describe the internal arc phenomenon, its consequences for safety, current methods of limiting them and current regulations in general for equipment used in… Read more
Dec 23, 2011 | By Edvard Csanyi
Energy and Power
Earthing in electrical network – purpose, methods and measurement
The main reason for doing earthing in electrical network is for the safety. When all metallic parts in electrical equipment are grounded then if the insulation inside the equipment fails… Read more
Dec 19, 2011 | By jiguparmar
Technical Guide/Paper
PROFIBUS – Cabling and Assembly Guide
General plant or factory cabling can carry high voltages and currents. Running PROFIBUS cables parallel to such cables can lead to interference pickup and thus to data transmission errors. Special… Read more
Dec 18, 2011 | By Edvard Csanyi
Energy and Power
Flexible AC Transmission System – What and Why?
Flexible AC Transmission System (FACTS) have been evolving to a mature technology with high power rating. This technology has wide spread application, became a top rate, most reliable one, based… Read more
Dec 05, 2011 | By Edvard Csanyi
Electric Motor
5 steps to choose the best motor for your application
For line-operated motors, loads fall into three general categories: constant torque, torque that changes abruptly, and torque that change gradually over time. Bulk material conveyors, extruders, positive displacement pumps, and… Read more
Dec 03, 2011 | By Edvard Csanyi
Protection
Transformer and Transformer-Feeder Protection
The development of modern power systems has been reflected in the advances in transformer design. This has resulted in a wide range of transformers with sizes ranging from a few… Read more
Nov 30, 2011 | By Edvard Csanyi
Cables
Fire Properties Of Cables
This is an area of increasing public and legislative concern, and therefore of increasing interest to engineers. There have been major advances in the fire performance of cables in recent… Read more
Nov 21, 2011 | By Edvard Csanyi
Energy and Power
Installation of Distribution-to-Utilization Voltage Transformers
Aerial transformer installations may utilize a three-phase unit or banked single-phase units. Transformers, either singly or in banks, having an individual unit or combined capacity greater than 300 kVA will… Read more
Nov 11, 2011 | By Edvard Csanyi
