Electrical and related buildings technology
One of the comments on my Motor Starting Series was asking for something on duty cycles. Here it is. As a purchaser of a motor, you have responsibility...
The windings of many medium and small sized transformers are protected by restricted earth fault (REF) systems. The illustration shows the principal of...
A single phase system is perhaps the most common type of system most people are familiar with. This is what people have in their homes and what appliances...
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The International System of Units (abbreviated SI) is the world's most widely used system of units. The system consists of a set of units and prefixes...
The widely used United Sates standard ANSI/IEEE C37.2 'Electrical Power System Device Function Numbers, Acronyms, and Contact Designations' deals with...
Electromechanical relays have been the traditional backbone of electrical protection systems. While over recent years these have been replaced by microprocessor...
If you are wondering what happened to our cable notes, the short answer is that we have moved them to myCableEngineering.com. The "Knowledge Base" at...
myElectrical does not support or promote the use of copyrighted material without the copyright owner's consent. If you believe that material for which...
Anyone specifying or using electric motors should have a basic understanding how the insulation is related to temperature. Three classes of insulation...
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