- Alternating current (AC): Electric current that reverses direction periodically.
- Amplifier: A device that increases the amplitude of an electronic signal.
- Battery: A device that stores chemical energy and converts it into electrical energy.
- Cables: An assembly of one or more wires bound together and used to transmit electrical energy.
- Capacitor: A passive device that stores electric charge.
- Circuit breaker: A device that interrupts an electrical circuit to protect it from damage due to overcurrent or short circuit.
- Circuit protection: A device or system that protects an electrical circuit from damage due to overcurrent, short circuit, or other faults.
- Circuit: A closed path through which electric current flows.
- Conductor: A material that conducts electricity.
- Connectors: A device that connects two pieces of equipment or wires.
- Current: The flow of electric charge through a circuit, often measured in amperes (A).
- Diode: A two-terminal electronic component that allows current to flow in only one direction.
- Direct current (DC): Electric current flows in only one direction.
- Electric power conditioning: The process of preparing electrical energy for use by removing unwanted components such as noise, harmonics, etc.
- Electric power conservation: Using less electrical energy by implementing energy-efficient practices and technologies.
- Electric power control: The process of regulating the flow of electrical energy in a power system to ensure a reliable and stable supply of electrical power.
- Electric power conversion: The process of changing electrical energy from one form to another, such as AC to DC or DC to AC.
- Electric power distribution: The process of distributing electrical energy from a transmission system to individual customers.
- Electric power factor: A measure of how effectively electrical energy is being used in a system.
- Electric power generation: The process of producing electrical energy from various sources such as coal, natural gas, nuclear, solar, wind, etc.
- Electric power grid: The network of electrical transmission and distribution lines that connect power generation facilities to customers.
- Electric power industry: The sector of the economy concerned with producing and distributing electricity.
- Electric power infrastructure: The physical and organizational structures and systems that support the generation, transmission, distribution, and use of electrical power.
- Electric power market: The system in which the production, distribution, and prices of electric power are determined by supply and demand.
- Electric power measurement: The process of measuring various electrical quantities such as voltage, current, power, etc.
- Electric power protection: The process of protecting electrical equipment and systems from damage due to overcurrent, short circuits, or other faults.
- Electric power regulation: The process of controlling the operations of the electric power industry by government agencies or other organizations.
- Electric power reliability: The ability of an electric power system to provide a consistent and uninterrupted supply of electrical energy.
- Electric power safety: The measures taken to prevent accidents and injuries related to the use of electrical energy.
- Electric power security: The measures taken to protect the electric power system from natural disasters, cyber-attacks, and other threats.
- Electric power stability: The ability of an electric power system to maintain a stable and balanced supply of electrical energy.
- Electric power storage: The process of storing electrical energy for later use.
- Electric power system analysis: The process of studying the behavior and performance of an electric power system.
- Electric power system control: The process of regulating the flow of electrical energy in a power system to ensure a reliable and stable electrical power supply.
- Electric power system design: The process of planning and creating an electric power system to meet specific requirements.
- Electric power system management: The overall planning, coordination, and control of an electric power system, including managing resources, operations, and maintenance.
- Electric power system management: The process and managing the day-to-day operations of an electric power system, such as monitoring and controlling the flow of electrical energy, maintaining equipment, and responding to system disturbances.
- Electric power system operation: The process of controlling and monitoring the flow of electrical energy in a power system to ensure a reliable and stable supply of electrical power.
- Electric power system planning: The process of determining an electric power system’s future needs and capabilities and making decisions to meet those needs.
- Electric power system protection: The process of protecting electrical equipment and systems from damage due to overcurrent, short circuits, or other faults.
- Electric power system stability: The ability of an electric power system to maintain a stable and balanced supply of electrical energy.
- Electric power system transmission: The transmission of electrical energy from a power generation facility to a distribution system or load center.
- Electric power system: A network of electrical components used to generate, transmit, distribute, and use electrical energy.
- Electric power transmission: The transmission of electrical energy from a power generation facility to a distribution system or load center.
- Electric power usage: The consumption of electrical energy by various devices and appliances.
- Energy management: The process of monitoring, controlling, and optimizing energy use in an organization or facility.
- Frequency: The number of cycles of an alternating current or signal per unit of time, often measured in hertz (Hz).
- Fuses: A safety device that interrupts an electrical circuit when the current exceeds a specified level.
- Generator: A device that converts mechanical energy into electrical energy.
- Ground: A reference point in an electrical circuit to measure all voltages.
- Impedance: The total opposition to the flow of alternating current in a circuit.
- Inductor: A passive device that stores energy in a magnetic field.
- Insulator: A material that does not conduct electricity.
- Motor: A device that converts electrical energy into mechanical energy.
- Oscillator: A circuit that generates a repetitive electronic signal.
- Power electronics: The study and application of electronic devices and circuits used to control and convert electrical power.
- Power quality: An electric power supply’s characteristics determine its suitability for its intended use.
- Power supply: A device that converts electrical energy from one form to another, such as AC to DC.
- Power: The rate energy transfers in a circuit, often measured in watts (W).
- Relay: An electrically operated switch.
- Resistance: The opposition to the flow of electric current in a circuit, often measured in ohms (Ω).
- Semiconductor: A material with electrical conductivity between a conductor and an insulator.
- Smart grid: A modernized electric power system that uses advanced technology to improve the electrical grid’s efficiency, reliability, and security.
- Solar Cell: A device that converts sunlight into electrical energy.
- Switch: A device that can open or close an electrical circuit.
- Transformer: A device that changes the voltage level of an alternating current.
- Transistor: A three-terminal electronic component that can be used to amplify or switch electronic signals.
- Voltage: The electric potential difference between two points in a circuit, often measured in volts (V).
- Waveform: The shape of an electrical signal over time.
- Wires: A single electrical conductor, or a group of electrical conductors, that are insulated and used to transmit electrical energy.
This is just a tiny sample of the many terms used in electrical engineering, and many subfields, such as power electronics, control systems, signal processing, etc., have their specialized vocabulary. Additionally, as electrical engineering constantly evolves, new terms and technologies are being developed, which can make a list incomplete or outdated.
