Droop speed control is a control mode used for AC electrical power generators, whereby the power output of a generator reduces as the line frequency increases. It is commonly used as the speed control mode of the governor of a prime mover driving a synchronous generator connected to an electrical grid. It works by controlling the rate of power produced by the prime mover according to the grid frequency. With droop speed control, when the grid is operating at maximum operating frequency, the prime mover's power is reduced to zero, and when the grid is at minimum operating frequency, the power is set to 100%, and intermediate values at other operating frequencies.
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| - Statik (Elektrotechnik) (de)
- Droop speed control (en)
- 下垂速度控制 (zh)
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| - Um einen stabilen Betrieb von Wechselstromnetzen zu organisieren, wird in der Elektrotechnik bei Stromerzeugern der Einstellwert einer Statik, englisch droop, verwendet. Der Kennwert der Statik beschreibt die negative Steigung der normierten Kennlinie f(P) bzw. U(Q). Dies stellt die Abhängigkeit des Sollwertes der Wirkleistung P von der Frequenz f dar bzw. die der Blindleistung Q von der Spannung U. Der Wert der Statik σ ist damit der Quotient aus Frequenzabweichung bei Nennleistung im Vergleich zum Leerlauf und der Nennfrequenz: (de)
- 在發電領域中，下垂速度控制（droop speed control）是利用發電，且連接到輸電網路的發電廠，可使用的一種速度控制方式。此方式可以允許同步發電機並聯運轉，因此可以依發電機的功率不同，負載對應比例的負載。 (zh)
- Droop speed control is a control mode used for AC electrical power generators, whereby the power output of a generator reduces as the line frequency increases. It is commonly used as the speed control mode of the governor of a prime mover driving a synchronous generator connected to an electrical grid. It works by controlling the rate of power produced by the prime mover according to the grid frequency. With droop speed control, when the grid is operating at maximum operating frequency, the prime mover's power is reduced to zero, and when the grid is at minimum operating frequency, the power is set to 100%, and intermediate values at other operating frequencies. (en)
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| - Um einen stabilen Betrieb von Wechselstromnetzen zu organisieren, wird in der Elektrotechnik bei Stromerzeugern der Einstellwert einer Statik, englisch droop, verwendet. Der Kennwert der Statik beschreibt die negative Steigung der normierten Kennlinie f(P) bzw. U(Q). Dies stellt die Abhängigkeit des Sollwertes der Wirkleistung P von der Frequenz f dar bzw. die der Blindleistung Q von der Spannung U. Der Wert der Statik σ ist damit der Quotient aus Frequenzabweichung bei Nennleistung im Vergleich zum Leerlauf und der Nennfrequenz: (de)
- Droop speed control is a control mode used for AC electrical power generators, whereby the power output of a generator reduces as the line frequency increases. It is commonly used as the speed control mode of the governor of a prime mover driving a synchronous generator connected to an electrical grid. It works by controlling the rate of power produced by the prime mover according to the grid frequency. With droop speed control, when the grid is operating at maximum operating frequency, the prime mover's power is reduced to zero, and when the grid is at minimum operating frequency, the power is set to 100%, and intermediate values at other operating frequencies. This mode allows synchronous generators to run in parallel, so that loads are shared among generators with the same droop curve in proportion to their power rating. In practice, the droop curves that are used by generators on large electrical grids are not necessarily linear or the same, and may be adjusted by operators. This permits the ratio of power used to vary depending on load, so for example, base load generators will generate a larger proportion at low demand. Stability requires that over the operating frequency range the power output is a monotonically decreasing function of frequency. Droop speed control can also be used by grid storage systems. With droop speed control those systems will remove energy from the grid at higher than average frequencies, and supply it at lower frequencies. (en)
- 在發電領域中，下垂速度控制（droop speed control）是利用發電，且連接到輸電網路的發電廠，可使用的一種速度控制方式。此方式可以允許同步發電機並聯運轉，因此可以依發電機的功率不同，負載對應比例的負載。 (zh)
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