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DIAGRAM 17

# Electrical Symbols — Power Sources

A voltage source(power sources) is a two terminal device which can maintain a fixed voltage. An ideal voltage source can maintain the fixed voltage independent of the load resistance or the output current. However, a real-world voltage source cannot supply unlimited current. A voltage source is the dual of a current source. Real-world sources of electrical energy, such as batteries, generators, and power systems, can be modeled for analysis purposes as a combination of an ideal voltage source and additional combinations of impedance elements.

Pic. 1. Power Sources Library

ConceptDraw DIAGRAM is a powerful software for creating professional looking electrical diagram quick and easy. For this purpose you can use the Electrical Engineering solution from the "Engineering" area of ConceptDraw Solution Park.

Electrical Engineering Solution for ConceptDraw DIAGRAM provides the stencils libraries of ready-to-use predesigned 926 vector symbols, templates and samples that make your electrical drawing quick, easy and effective.

26 libraries of the Electrical Engineering Solution of ConceptDraw DIAGRAM make your electrical diagramming simple, efficient, and effective. You can simply and quickly drop the ready-to-use objects from libraries into your document to create the electrical diagram.

Pic. 2. Electrical Engineering symbols

Electrical diagram software will assist you in drawing your electrical diagrams with minimal effort and makes it very easy for beginners. Electrical symbols and smart connectors help present your electrical drawings, electrical schematic, wiring diagrams and blue prints.

Pic. 3. Electrical Symbols — Power Sources

Most of the electrical symbols can be changed in their appearance, styles and colors according to users' requirements. Electrical symbols are used to represent various electrical and electronic devices in a schematic diagram of an electrical or electronic circuit.

The following table lists some power sources electrical symbols in our electrical diagram software.

 Symbol Meaning Electrical Symbols — Power Sources Battery Battery with polarity labels Ideal current source Ideal voltage source Oscillator AC current source AC voltage source DC current source DC voltage source

An electrical source is a device that is capable of converting non-electric energy to electric energy and vice versa. Electricity is most often generated at a power station by electromechanical generators, primarily driven by heat engines fueled by chemical combustion or nuclear fission but also by other means such as the kinetic energy of flowing water and wind. Other energy sources include solar photovoltaics and geothermal power and electrochemical batteries.

## How to Create an Electrical Diagram Using Power Sources Library

• Open ConceptDraw DIAGRAM new document page.
• Select libraries from Electrical Engineering section.

• There are a few different ways to place an object into your drawing:

• Click on an object and then click on the document, at the place you want the object to be inserted.
• Perform a drag-and-drop from the library to your document.
• Double click on an object’s icon in the library to place an object in the center of your document.
• Select the Smart Connector tool . To connect elements using this tool, drag the connector from one connect dot to another.You can use Layers to place connections on different layers.
• Result: Circuit Diagram.

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Picture: Near field communication (NFC). Computer and Network Examples
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Picture: ConceptDraw DIAGRAM Network Diagram Tool
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A voltage source is a two terminal device which can maintain a fixed voltage. An ideal voltage source can maintain the fixed voltage independent of the load resistance or the output current. However, a real-world voltage source cannot supply unlimited current. A voltage source is the dual of a current source. Real-world sources of electrical energy, such as batteries, generators, and power systems, can be modeled for analysis purposes as a combination of an ideal voltage source and additional combinations of impedance elements. 26 libraries of the Electrical Engineering Solution of ConceptDraw DIAGRAM make your electrical diagramming simple, efficient, and effective. You can simply and quickly drop the ready-to-use objects from libraries into your document to create the electrical diagram.
Picture: Electrical Symbols — Power Sources
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Picture: ERD Symbols and Meanings
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DIAGRAM 17