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Electrical and Power Equipment

The electric power industry is the generationtransmissiondistribution and sale of electric power to the general public. The electrical industry started with introduction of electric lighting in 1882. Throughout the 1880s and 1890s, growing economic and safety concerns lead to the regulation of the industry. Once an expensive novelty limited to the most densely populated areas, reliable and economical electric power has become a requirement for normal operation of all elements of developed economies.

By the middle of the 20th century, electric power was seen as a "natural monopoly", only efficient if a restricted number of organizations participated in the market; in some areas, vertically-integrated companies provides all stages from generation to retail, and only governmental supervision regulated the rate of return and cost structure.

Since the 1990s, many regions have opened up the generation and distribution of electric power to provide a more competitive electricity market. While such markets can be abusively manipulated with consequent adverse price and reliability impact to consumers, generally competitive production of electrical energy leads to worthwhile improvements in efficiency. However, transmission and distribution are harder problems since returns on investment are not as easy to find.

Electrical Motors
Electrical Motors
 

An electric motor is an electrical machine electrical machine that converts electrical energy...

AC-DC Drives
AC-DC Drives
 

Adjustable speed drive (ASD) or variable-speed drive (VSD) describes equipment used to control...

Industrial UPS
Industrial UPS
 

Whenever failure is not an option, an uninterruptible power supply is the answer. Whether you...

Generators
Generators
 

This article is about electromagnetic power generation. For electrostatic...

Electrical Transformers
Electrical...
 

A Electrical Transformers is an electrical device that transfers electrical...

Switches and Switch - Gears
Switches and Switch...
 

In an electric power system, switchgear is the combination of electrical disconnect switches,...

Explosion Proof Equipment
Explosion Proof...
 

In electrical engineering, hazardous locations (sometimes abbreviated to HazLoc, pronounced...

Contactors and Relays
Contactors and...
 

In semiconductor testing, Contactors can also refer to the specialized socket...