Automatic generation control (original) (raw)
In an electric power system, automatic generation control (AGC) is a system for adjusting the power output of multiple generators at different power plants, in response to changes in the load. Since a power grid requires that generation and load closely balance moment by moment, frequent adjustments to the output of generators are necessary. The balance can be judged by measuring the system frequency; if it is increasing, more power is being generated than used, which causes all the machines in the system to accelerate. If the system frequency is decreasing, more load is on the system than the instantaneous generation can provide, which causes all generators to slow down.
| Property | Value |
|---|---|
| dbo:abstract | In an electric power system, automatic generation control (AGC) is a system for adjusting the power output of multiple generators at different power plants, in response to changes in the load. Since a power grid requires that generation and load closely balance moment by moment, frequent adjustments to the output of generators are necessary. The balance can be judged by measuring the system frequency; if it is increasing, more power is being generated than used, which causes all the machines in the system to accelerate. If the system frequency is decreasing, more load is on the system than the instantaneous generation can provide, which causes all generators to slow down. (en) |
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| dbo:wikiPageWikiLink | dbr:Power_station dbr:Electrical_grid dbr:Power_system_simulation dbc:Electric_power_distribution dbr:Droop_speed_control dbr:Economic_dispatch dbr:Hydroelectricity dbr:Steam_turbine_governing dbr:Utility_frequency dbr:File:Electricity_Grid_Schematic_English.svg dbr:File:Steady_state_frequency-power_relation_for_a_turbine_governor.png |
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| dct:subject | dbc:Electric_power_distribution |
| rdfs:comment | In an electric power system, automatic generation control (AGC) is a system for adjusting the power output of multiple generators at different power plants, in response to changes in the load. Since a power grid requires that generation and load closely balance moment by moment, frequent adjustments to the output of generators are necessary. The balance can be judged by measuring the system frequency; if it is increasing, more power is being generated than used, which causes all the machines in the system to accelerate. If the system frequency is decreasing, more load is on the system than the instantaneous generation can provide, which causes all generators to slow down. (en) |
| rdfs:label | Automatic generation control (en) |
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| foaf:depiction | wiki-commons:Special:FilePath/Electricity_Grid_Schematic_English.svg wiki-commons:Special:FilePath/Steady_state_frequenc...r_relation_for_a_turbine_governor.png |
| foaf:isPrimaryTopicOf | wikipedia-en:Automatic_generation_control |
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