Contemporary electrical installations and electric drives on steel structures – Illustrated

Author: Radoje Jankovic All photos are original of author Contemporary electrical installations and electric drives on steel structures – Illustrated In modern surface exploatation lignite in large open pits are used the most modern mining machinery and equipment is very large in size and capacity. Only one system; Rotary excavator  More...

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By admin On Monday, March 2nd, 2020
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More test questions illustrated

Author: Radoje Jankovic. All photographs are Jankovic’s In this article I will presenting more illustrated test questions from practice. It is known that in the educational books, textbooks there More...

By admin On Thursday, August 1st, 2019
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Logic Circuits With Classical Switching Elements

Author: Radoje Jankovic AND  circuit with mechanical single-pole switches The AND circuit in figure below is an extension of the ON/OFF switch, with several single-pole manual switches connected in series. More...

By admin On Wednesday, July 31st, 2019
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Basic Cartridge Heaters

Author: Radoje Jankovic Cartridge heaters Cartridge heaters are designed to heat machines and tools in places where it is necessary to use small size heaters. It is divided into two units: low and high More...

By admin On Wednesday, July 31st, 2019
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Pipe Electric Heaters

Author: Radoje Jankovic Pipe electric heaters Pipe heaters are installed in a wide variety of machines and appliances in industry and in the home. Here are just a few of the main ones: water heaters, More...

By admin On Tuesday, July 30th, 2019
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Examples of Standard Graphical Symbols in the Practice

Author: Radoje Jankovic Here I showing the graphical electrical symbols from practice useful for everyone of us. These symbols are in accordance with IEC standards. IMPORTANT NOTES: In your work and More...

By admin On Monday, July 29th, 2019
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Mixed Test Questions

Author: Radoje Jankovic Test question #1. A two – port network is a network which has two input and two output terminals. A. Yes B. No. Test question #2. A two – port network, may also More...

By admin On Saturday, July 27th, 2019
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Round Conductor on The Stand

Author: Radoje Jankovic Round conductor on the stand for experimental investigations. This is very simple device, but very complicated for many electrical calculations which will be given in the next article More...

By admin On Sunday, July 7th, 2019
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Almost everything about EEEEEEPW-Portal.com

Electrical, Electronic Engineering, Ecology and Environmental Education & Professional World Portal. Three-phase AC motor for hermetic refrigeration compressor. Photo, Radoje Jankovic. Author: Radoje More...