Basic characteristics and main uses of the circuit diagram - Database & Sql Blog Articles

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A circuit diagram is a visual representation that shows the connections and relationships between the components of an electrical or electronic system. It uses standardized symbols to depict each part, such as resistors, capacitors, transistors, and microcontrollers, and arranges them in a logical sequence based on how the circuit operates. This helps engineers and technicians understand the functionality and design of the system. The legend provides essential information about the symbols used in the diagram, making it easier for readers to interpret the layout. Below are two example images that illustrate different aspects of a circuit: This particular circuit diagram illustrates the configuration and working principle of a power supply system, along with the control and interlocking mechanisms for a compressor, motor M1, and fan motor M2. It has several notable features: (1) The diagram is divided into two main sections: the main circuit and the auxiliary circuit. The main circuit shows the flow of electrical energy from the power source through fuses and contactors to the motors, while the auxiliary circuit displays the functional sequence and control logic. (2) The main circuit is typically arranged vertically, reflecting the direction of current flow, while the auxiliary circuit is laid out horizontally, showing the sequence of operations and control signals. (3) A component table is included, listing all the elements used in the circuit along with their technical specifications and parameters. This type of diagram serves multiple purposes: (1) It provides a detailed explanation of the working principle of the system, allowing for analysis and calculation of circuit performance. (2) It acts as a reference when creating wiring diagrams and other documentation. (3) It is a valuable tool for troubleshooting, testing, and diagnosing issues in the system. Understanding and interpreting circuit diagrams is a fundamental skill for anyone involved in electronics, automation, or electrical engineering.