Electrical system design is the design of electrical systems. This can be as simple as a flashlight cell connected through two wires to a light bulb or as involved as the space shuttle.
Electrical systems are groups of electrical components connected to
carry out some operation. Often the systems are combined with other
systems. They might be subsystems of larger systems and have subsystems
of their own. For example a subway rapid transit
electrical system is composed of the wayside electrical power supply,
wayside control system, and the electrical systems of each transit car.
Each transit car’s electrical system is a subsystem of the subway
system. Inside of each transit car there are also subsystems, such as
the car climate control syste
Simple systems can be created by one person and require minimal
records. Large systems require large teams of people and many paper and
electronic records. On larger projects a company would have an
electrical systems engineering department.
With larger systems, if proper records are not kept, the construction
is not neat, or care is not taken to follow appropriate standards (such
as those of the National Electrical Code),
the created electrical system is not likely to function as desired. To
paraphrase a manager’s description of a moderate sized electrical system
that his company haphazardly created, “…the wiring looked like
spaghetti…it caught fire when power was applied…we settled with the
customer and quit the project.”
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