In electrical power systems design, a schematic drawing referred to as a one-line diagram is often utilised to symbolize substations, distribution systems as well as entire electric power grids. These diagrams compress and simplify the exact details which would be replicated on each individual stage of a three-phase method, showing just 1 element instead of three. Electrical diagrams for switchgear frequently have common apparatus functions designate by regular function amounts.
In electrical and electronic sector, a schematic diagram is often utilized to refer to the plan of equipment. Schematic diagrams are usually employed for the maintenance and repair of electronic and electromechanical systems.  Initial schematics have been done manually, using standardized templates or off-the-shelf adhesive symbols, however today electronic design automation applications (EDA or"electrical CAD") can be employed.
A design, or schematic diagram, is a representation of the elements of a system utilizing abstract, picture symbols as opposed to realistic images. A schematic generally communicates all details that aren't pertinent to the advice the schematic is intended to convey, and may add unrealistic elements that assist understanding. As an instance, a subway map intended for passengers could signify a subway station with a dot; the scatter does not resemble the true station at all but gives the viewer info without any unnecessary visual clutter. A schematic diagram of the chemical procedure uses symbols to represent the vessels, piping, valves, pumps, and other equipment of the system, emphasizing their interconnection controlling and paths physiological specifics. In a digital circuit structure, the design of the symbols may not resemble the layout in the circuit. From the design diagram, the symbolic elements are arranged to be more easily interpreted by the viewer.
A semi-schematic diagram unites some of their abstraction of a just schematic diagram along with different elements displayed as realistically as you can, for various reasons.
Schematic diagrams are used widely in repair guides to help users understand the interconnections of components, and to offer graphical training to help out with dismantling and rebuilding mechanical assemblies. Many motorcycle and automotive repair manuals give a substantial number of pages on schematic diagrams.
Schematics for electronic circuits are ready by designers utilizing EDA (electronic design automation) tools called schematic capture tools or schematic entry tools. These programs go beyond simple drawing of devices and connections. Usually they're incorporated into the whole IC design flow and also connected to other EDA tools for verification and simulation of this circuit under design.
In electronic design automation, until the 1980s schematics were virtually the sole proper representation for circuits. More recently, with the progress of computer technologies, other representations have been introduced and specialized computer languages were developed, because using all the explosive rise of the complexity of electronic circuits, conventional schematics have become less practical. For instance, hardware description languages are indispensable for modern digital circuit design.