Blog Posts on current transformer and voltage transformer




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What is the working principle of a transformer Questions and Answers by Electrical Engineerin Tour on Jun 21, 201220 Questions : 1. If a transformer is not marked, how could you test it for polarity? 2. A 10-kVA rating, that are connected in a closed delta arrangement, you would have a capacity of 30  K VA. If one transformer is taken out of...



Transformer Principles Questions and Answers For Engineering Students and Workers by Electrical Engineerin Tour on Jun 7, 2012QUESTIONS: 1. What is the difference between the primary and the secondary of a transformer? 2. What is an oil-immersed transformer? 3. What is a transformer? 4. What factors affect the amount of induced electromotive force emf in a transf...



Electrical Transformer tutorials Current Potential and Auto tutorials by Electrical Engineerin Tour on Mar 13, 2012Current Transformers The primary of this transformer consists of a few turns or even a single turn to carry the current to be measured and is connected in series with the main circuit. The secondary winding with large number of turns supplies a reduc...



All About Electrical Distribution and Power Transformer Tutorials by Electrical Engineerin Tour on Mar 7, 2012This is All About Transformer its principles, Definition, Testing Facts and Tutorials Transformer Classification Transformer Definition It is a static device for transforming electrical energy from one alternating current circuit to another without...



Current Electricity Flow of Electrons Engineering Tutorials by Electrical Engineerin Tour on Jan 31, 2012The Nature of Electricity The modern theory defines matter as electrical in nature. All matter is made up of extremely small particles called molecules, each of which has the properties of matter of which it is a constituent. The molecules, in turn a...



Free Relay Substation Guide by Electrical Engineerin Tour on Feb 20, 2011Electric Power Systems Cyber Security The aim of this case study was security analysis of a software interlocking system consisting of mutual interlocking disconnectors, circuit breakers and earthing switches to assure safety of switching operations...