© Electrical machines through practical questions and answers – Part 3

©Električne mašine kroz praktična pitanja i odgovore – Deo 3 Autor: Radoje Jankovic. II. OSNOVNA ZNANJA O ROTACIONIM ELEKTRIČNIM MAŠINAMA MOTORIMA I GENERATORIMA, DEFINICIJE I SLIKE – Nastavak © Electrical machines through practical questions and answers – Part 3 Author: Radoje Jankovic. II. BASIC KNOWLEDGE OF ROTARY More...

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By admin On Sunday, June 19th, 2022
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© Electrical machines through practical questions and answers – Part 2

Author: Radoje Jankovic. II.BASIC KNOWLEDGE OF ROTATIONAL ELECTRICAL MACHINES, MOTORS AND GENERATORS, DEFINITIONS AND IMAGES 1.Make a comparison: alternator-transformer-asynchronous electric motor! These More...

By admin On Thursday, June 16th, 2022
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© Electric machines through practical questions and answers – Part 1

© Electric machines through practical questions and answers  – Part 1 Introduction Author: Radoje Jankovic. In this, more extensive series of questions with answers in the field of electric machines, More...

By admin On Saturday, February 5th, 2022
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1oo Practical illustrated test questions from electrical machines – 1

Author: Radoje Janković. Photos: Author, colleagues and friends. Note: I designed and formed all the questions on the “spot” according to the photo. I did not use any literature. Introduction In More...

By admin On Tuesday, December 24th, 2019
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For Colleagues Who do Not Have an Opportunity to do this in Practice for Students and Their Professors…

Author: Radoje Jankovic Photos of my colleagues Adnan Dudic and Sumedin Lušija. For CollegesWho do Not Have an Opportunity to this in Practice for Students and Their Professors… One brief overview More...

By admin On Friday, November 29th, 2019
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Electric machines Practice test question

Author: Radoje Jankovic Photos from my friend winders 1. Winder rewound this small collector rotor. In this picture you see one work operation performed by a winder. What is a work operation and why is More...

By admin On Sunday, November 17th, 2019
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DC motors connection schemes

Author and drawing: Radoje Jankovic Old letter designations for DC machines: 1. A – B, inductor windings, rotors 2. C – D, parallel stator coils of main poles 3. E – F, regular stator coils More...

By admin On Friday, August 16th, 2019
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Illustrated Rewinding the Rotor of Small Universal Motor

Author: Radoje Jankovic Here is illustrated procedure for rewinding the rotor of small universal AC motor. The photos are from my friend rewinder of electrical machines and other devices. Before taking More...

By admin On Saturday, July 27th, 2019
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DC Motors a Little From Practice

Cross section of a DC motor with four main poles and four auxiliary poles. Second figure shows connection diagram of motor winding and leads for connecting to DC busbars. Russian manufacture. From Jankovic’s More...

By admin On Thursday, July 18th, 2019
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Some Practice About Repairing of Power Transformers

Author & Photos: Radoje Jankovic A. Questions: 1. What showing this figure? 2. What is the purpose of this electrical device? 3. What is name of the part in grey color? What material More...