Fundamental electrical engineering concepts and theory
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The correct sizing of current transformers is required to ensure satisfactory operation of measuring instruments and protection relays. Several methods...
Lead acid batteries are cost effect and reliable, making them suitable for many applications.This note examines topics of interest associated with the...
A UPS is an uninterruptible power supply. It is a device which maintains a continuous supply of electrical power, even in the event of failure of the...
Reading is a bit of a hobby of mine and I"ve done a few off-topic posts in the past on this. Rather than continue doing the occasional post I thought ...
If you want to check a circuit is dead (not live), you should always use the three point method. First check a known live circuit, then check the dead...
It starts with me reading one of the Horrible History books with my son (Groovy Greeks). Arrows were mentioned which lead to the discussion of the bodkin...
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...
Often document control is dictated by project requirements, for example a particular organisation may have an existing numbering system. Existing company...
IEC 60947 is the circuit breaker standard and covers the marking of breakers in detail. Any manufacturer following this standard should comply with the...
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