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Power systems CAD

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In electrical power engineering, power systems CAD is computer-aided design (CAD) software that is used to design and simulate electrical power systems in commercial and industrial buildings.

Electrical power systems CAD tools are used by electrical power systems engineers. In the United States alone, power systems are a $100 billion industry. Power systems CAD tools increase the productivity, efficiency, and effectiveness of electrical systems designers by providing a design foundation that allows power systems to be created quickly and by enabling design engineers to test the safety and integrity of their design concepts. Power systems CAD software products allow organizations to develop power systems designs, with faster turnaround time, than with previous manual methods.

Aids to electrical calculation started with DC network calculating boards and AC network analyzers, which reached a high degree of development by the middle of the 20th century. Large scale digital computers became powerful enough to overtake the previous analog model systems. The use of personal computers with graphical displays lead to development of integrated suites of power systems design software, which allowed several different power system studies to be carried out on the same input model data.

CAD overview

The electrical power systems CAD process, frequently called power systems "modeling," typically consists of two distinct stages:

  • The design stage, in which an electric systems model is created, and
  • The simulation or analysis stage, in which software simulation programs are used to test the integrity of the design; these simulation programs test how the model would behave in real-world operation by checking for specific types of design or operational problems (see list below.)

Calculations and simulations

Several electrical engineering calculations and tests can be performed on a power systems CAD model, including:

References and Sources

  1. National Electrical Contractors Association
  2. Electrical Contractor magazine
  3. Consulting-Specifying Engineer magazine
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