We are pleased to present below all posts archived in 'November 2010'. If you still can't find what you are looking for, try using the search box.
GE have put together a time-lapse video shown flight take-off and landings at some airports. An interesting view: read more..
When selecting a generator, there are inherent limits on the active and reactive power which can be delivered. Generators are normally sized for a certain kW at a power factor of 0.8. However, to unders... read more..
IEC 61439 'Low-voltage switchgear and controlgear assemblies', specifies standard arrangements of switchboard (call forms of internal separation). The...
The other day I came across an article in Technology Review on the development of a smart transformer. A professor at North Carolina State University is...
Cable insulation is used to provide electrical separation between conductors of a cable. During the historical development of cables, numerous types...
Steel ladders, trays and baskets form the backbone of cable containment systems. Often these items need some form of surface treatment to prevent corrosion...
A recurring theme on our forums is cable sizing. Now many installations are unique and require special consideration. However, a lot of the time things...
The windings of many medium and small sized transformers are protected by restricted earth fault (REF) systems. The illustration shows the principal of...
Often us engineers get so bogged down in equations, using software, producing drawings and writing specifications that this becomes the sole focus. ...
American inventor Thomas Alva Edison was born in Milan, Ohio on February 11, 1847. He was the youngest of seven children and received little formal schooling...
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...
While not as popular as it once was, frame leakage protection does still have some use in some circumstances. In essence frame leakage is an earth fault...
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