FR Drives – Practical Electrical Schemes

Cabinet-installed diode supply units of electric motor drives with frequency regulators Diodne napajačke jedinice ormanskog tipa za elektromotorne pogone sa frekventnim regulatorima Drawing and text of author Radoje Jankovic. U ovoj seriji šema frekvencijom regulisanih elektromotornih pogona pokušaću da prikažem jasne šeme energetskih More...

by admin | Published 3 months ago
By admin On Saturday, May 23rd, 2020

Fizika za sve kroz pesme… Fizika u pjesmi – prvi dio

Autor: Jojić Milivoje Za ovu svrhu prilagodio Radoje Janković English below Serbian language – partial. 1. NIKOLI TESLI Sveta dušo medju učenima, blistao si svjetlošću istine, razgrćući More...

By admin On Friday, April 24th, 2020

Ecological and Environmental Story in 4 picture

Edited by Radoje Jankovic Photos: Aleksandar Jovic, 22.04.2020. Ecological and Environmental Story in 4 picture Story in 4 photos of our reality nowdays. For all students, practicioners, experts, professors More...

By admin On Tuesday, March 3rd, 2020

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 More...

By admin On Monday, March 2nd, 2020

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

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

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

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

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

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...