Fundamental electrical engineering concepts and theory
The windings of many medium and small sized transformers are protected by restricted earth fault (REF) systems. The illustration shows the principal of...
This is the second post in a series of two on periodic electrical inspections. In the first post, I discussed how often inspections should be carried out...
Many questions sent in to the site are in connection with motor starting and in particular star-delta. For all but the simplest application, there is...
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...
In electrical engineering, Network Theory is the study of how to solve circuit problems. By analyzing circuits, the engineer looks to determine the various...
I have been thinking recently that there appears to be less professional integrity around than when I first started my career in electrical engineering...
GE have put together a time-lapse video shown flight take-off and landings at some airports. An interesting view:
Light Emitting Diodes (LED ) are increasing gaining favour in both the domestic and commercial sectors; due to their efficiency, sustainability and durability...
IEC 60947 is the circuit breaker standard and covers the marking of breakers in detail. Any manufacturer following this standard should comply with the...
When sizing cables nearly, everyone uses some form of software. This ranges from homespun spreadsheets to complex network analyses software. Each has its...
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