Wind power field active power control method based on power forecasting information
A power prediction and active power technology, applied in reactive power adjustment/elimination/compensation, wind power generation, reactive power compensation, etc., can solve problems such as reasonable regulation, wind farms cannot achieve online active power, etc.
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Embodiment 1
[0081] The wind farm active power control method based on the power prediction information of the present invention is used to preferentially adjust the unit capacity to meet the active power adjustment instruction of the power grid dispatching department. The active power command issued by the power grid dispatching department increases from 3MW to 5MW from time t1, so Δ P 2MW, such as figure 2 shown.
[0082] Assume that the grid-connected wind farm has 7 double-fed wind turbines with a single unit capacity of 2MW. Among them, the 7# machine is in the state of maintenance and outage, and the power prediction values of the remaining 6 units in the next hour are as follows: image 3 shown.
[0083] First of all, according to step 3, the units are preliminarily grouped, and units 1#~6# are classified as adjustable units, and unit 7# is classified as non-adjustable units.
[0084] In the next step, further divide the adjustable units according to step four. according to ...
Embodiment 2
[0088] The wind farm active power control method based on the power prediction information of the present invention is used to preferentially adjust the unit capacity to meet the active power adjustment instruction of the power grid dispatching department. The active power command issued by the power grid dispatching department increases from 3MW to 7.5MW from time t1, so Δ P 4.5MW, such as Figure 4 shown.
[0089] Assume that the grid-connected wind farm has 7 double-fed wind turbines with a single unit capacity of 2MW. Among them, the 7# machine is in the state of maintenance and outage, and the power prediction values of the remaining 6 units in the next hour are as follows: image 3 shown.
[0090] First of all, according to step 3, the units are preliminarily grouped, and units 1#~6# are classified as adjustable units, and unit 7# is classified as non-adjustable units.
[0091] In the next step, further divide the adjustable units according to step four. according ...
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