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Power transmission

AC power plugs and sockets
Connector used to connect to mains power
Arc-fault circuit interrupter
Circuit breaker that protects against intermittent faults associated with arcing
Automatic generation control
Electric Power Transmission
Availability factor
Power plant's electricity production divided by time
Backfeeding
Flow of electrical power in the reverse of the usual direction
Base load
Minimum level of demand on an electrical grid over a span of time
Capacity factor
Unitless ratio of an actual electrical energy output over a given period of time to the maximum possible electrical energy output over the same amount of time
Circuit breaker
Automatically operated electrical switch designed to protect an electrical circuit from damage caused by excess current from an overload or short circuit
Demand factor
Refers to the fractional amount of some quantity
Demand response
Techniques used to prevent power networks from being overwhelmed
Distributed generation
Decentralised electricity generation
Droop speed control
Control mode for AC power generators
Dynamic demand (electric power)
Technology to support power grid demand response
Earth-leakage circuit breaker
Electrical safety device
Electric power distribution
Final stage of electricity delivery to individual consumers in a power grid
Electric power quality
Measurement of power meeting specifications
Electric power system
System to generate, transmit and distribute electricity
Electric power transmission
Bulk movement of electrical energy
Electrical busbar system
A modular approach to electrical wiring
Electrical cable
Assembly of one or more wires running side by side or bundled
Electrical fault
Abnormal electric current
Electrical grid
Interconnected network for delivering electricity from suppliers to consumers
Electrical wiring
Electrical installation of cabling
Electricity market
For trading electrical power
Energy demand management
Modification of consumer energy usage during peak hours
Energy return on investment
Ratio of acquired energy to the amount of energy spent to obtain this energy
Fuse (electrical)
Electrical safety device that provides overcurrent protection
Grid code
Technical specification for an electrical grid and/or connected facilities
Grid energy storage
Collection of methods used to energy storage on a large scale within an electrical power grid
High-voltage direct current
Electric power transmission system
High-voltage shore connection
Type of electrical connection
Home energy storage
Locally installed system for storing electrical energy for later consumption by a household
Interconnector
Structure enabling energy to flow between networks
Lightning rod
Metal rod intended to protect the structure from a lightning strike
Load factor (electrical)
The average power divided by the peak power over a period of time
Load management
Process of balancing the supply of electricity on a network
Load-following power plant
Power plant that adjusts output based on demand
Mains electricity
Type of lower-voltage electricity most commonly provided by utilities
Mains electricity by country
Merit order
Way of ranking available sources of energy
Merit order
Way of ranking available sources of energy
Nameplate capacity
Registered sustainable power output of an industrial facility
Numerical relay
Computer-based system with software-based protection algorithms for the detection of electrical faults
Overhead cable
For signal transmission
Overhead power line
Above-ground structure for bulk transfer and distribution of electricity
Peak demand
Highest power demand on a grid in a specified time period
Power system protection
Branch of electrical power engineering
Power-flow study
Numerical analysis of electric power flow
Protective relay
Relay device designed to trip a circuit breaker when a fault is detected
Repowering
Process of replacing older power stations with newer ones
Residual-current device
Electrical safety device used in household wiring
Smart grid
Electrical grid operated by automatic control devices or controled and maintained from distance
Substation
Part of an electrical generation, transmission, and/or distribution system
Sulfur hexafluoride circuit breaker
Switching device used in high voltage power grids
Super grid
Concept of a wide area transmission network that makes it possible to trade high volumes of electricity across great distances
Three-phase electric power
Common electrical power generation, transmission and distribution method for alternating currents
Transmission system operator
Entity entrusted with transporting energy in the form of natural gas or electrical power on a national or regional level using fixed infrastructure
Transmission tower
Structure used to support an overhead power line
Utility frequency
Frequency used on standard electricity grid in a given area
Utility pole
Post used by public utilities to support overhead wires and related equipment
Variable renewable energy
Type of renewable energy source
Virtual power plant
A virtual power plant is a cloud-based distributed power plant that aggregates the capacities of heterogeneous distributed energy resources for the purposes of enhancing power generation
Wide area synchronous grid
Regional electrical grid