Electrical Lectures
Fundamental Concepts of Insulation Testing
Probably 80% of all testing performed in electrical power systems is related to the verification of insulation quality. This technical article briefly describes the fundamental concepts of insulation testing including – insulation behavior, types of tests, and some test procedures…. Read more
Jul 07, 2012 | By Edvard Csanyi
Energy and Power
Overview Of Electrical Loads In Building
The electrical design professional should determine a building’s electrical load characteristics early in the preliminary design stage of the building to select the proper power distribution system and equipment having adequate power capacity with proper voltage levels, and sufficient space… Read more
Apr 27, 2012 | By Edvard Csanyi
Energy and Power
Single-Phase Power vs Three-Phase Power
The principal elements of an electric power system are the generating stations, the transmission lines, the substations, and the distribution networks. The generators produce the electricity, the transmission lines move it to regions where it is consumed, and the substations… Read more
Apr 01, 2012 | By Edvard Csanyi
Electric Motor
Cooling and Ventilation of Electric Motors (IC)
All rotating electrical machines generate heat as a result of the electrical and mechanical losses inside the machine. Losses are high during starting or dynamic braking. Also, losses usually increase with increased loading. Cooling is necessary to continuously transfer the… Read more
Aug 08, 2011 | By Edvard Csanyi
Transformers
GEAFOL – cast-resin transformer
The Siemens’s transformer GEAFOL principle has succeeded in producing transformers with excellent electrical, mechanical and thermal characteristics, which have also proved to be particularly compatible with the environment. GEAFOL transformers are insulated with an epoxy resin/quartz powder mixture. This is… Read more
May 27, 2011 | By Edvard Csanyi
Energy and Power
Electrical Engineering Job – How to Find It?
Finding a job is not always as easy as expected. This article will list a few places to look for jobs in the field of electrical engineering. Contact electrical engineering firms in your area. Even if they do not advertise… Read more
Feb 09, 2011 | By Edvard Csanyi
Energy and Power
Historical Review of Power System Stability Problems
As electric power systems have evolved over the last century, different forms of instability have emerged as being important during different periods. The methods of analysis and resolution of stability problems were influenced by the prevailing developments in computational tools,… Read more
Dec 08, 2010 | By Edvard Csanyi
Energy and Power
Electrical Power System Overcurrents
Electrical power systems must be designed to serve a variety of loads safely and reliably. Effective control of short-circuit current, or fault current as it is commonly called, is a major consideration when designing coordinated power system protection. In order… Read more
Nov 27, 2010 | By Edvard Csanyi
