Active power control system and control method of power plant
An active power and control system technology, applied in the active power control system and control field of power plants, can solve the problems of long recovery time and reduced flexibility
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no. 1 example
[0086] Such as figure 1 As shown, the control system of the active power of the power plant of the present embodiment comprises a first judging module 1, a second judging module 2, a third judging module 3, a fourth judging module 4, a fifth judging module 5 And an active power control module 6 .
[0087] The first judging module 1 first judges whether the absolute value of the regional control deviation A is greater than a first threshold B, if yes, activates the second judging module 2, and if not, does not perform any operation.
[0088] In order to avoid too frequent adjustment of the active power of the wind farm, the first threshold B is preset. As long as the absolute value of the regional control deviation A does not exceed the first threshold B, it means that the power transmission can basically meet the requirements. At this time, there is no need to adjust the active power delivered by the wind farm. Only when the absolute value of the regional control deviation A...
no. 2 example
[0108] Such as image 3As shown, the control system of the active power of the power plant of the present embodiment includes a first judging module 10, a second judging module 20, a third judging module 30, a fourth judging module 40 and an active power control module 60 , the difference between this embodiment and the first embodiment is: in this embodiment, when the regional control deviation A is greater than zero and greater than the first threshold B, no longer continue to judge whether the regional control deviation A is greater than the second threshold C, Instead, the active power control module 60 is directly invoked to reduce the active power of the water-fired power unit, and the rest of the comparison and judgment, operation execution, etc. are the same as those of the first embodiment.
[0109] Such as Figure 4 As shown, the present invention utilizes the active power control system of the power plant of this embodiment to realize the control method of the acti...
no. 3 example
[0119] Such as Figure 5 As shown, the control system of the active power of the power plant of the present embodiment includes a first judging module 11, a second judging module 21, a third judging module 31, a fourth judging module 41 and an active power control module 61 , the difference between this embodiment and the first embodiment is that in this embodiment, a range of allowable fluctuations is no longer set for the regional control deviation A, that is, in the specific implementation process, the regional control deviation A is no longer consistent with the Compared with the first threshold B, it is directly compared with zero, that is, only when the control deviation A of the area is equal to zero, the control and regulation of the active power of the wind farm will be stopped, instead of as long as in the first embodiment If the absolute value of the regional control deviation A is not greater than the first threshold B, the active power of the wind farm will not be...
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