Primary frequency modulation adjusting performance determination method of generating set
A generator set and measurement method technology, applied in the direction of motor generator testing, etc., can solve problems such as low measurement accuracy, artificial dead zone, difficulty in real-time data measurement of maximum load adjustment range of speed variation rate, and inability to completely record the operating status of the unit , to achieve the effect of improving the grid frequency stability
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[0022] The present invention is described in further detail below in conjunction with accompanying drawing:
[0023] see figure 1 As shown, in order to make up for the shortcomings of the existing measurement methods, the present invention proposes a contribution power algorithm with additional weights. The unit’s primary frequency regulation contribution power is a combination of multiple indicators of the unit’s primary frequency regulation. It reflects the actual contribution of the unit to the grid frequency. The introduction of this parameter makes it possible to quantify the input and intensity of the unit’s primary frequency regulation function.
[0024] In order to better distinguish the contribution of the unit’s primary frequency regulation to the frequency stability after the frequency exceeds the limit, the frequency disturbance is divided into large disturbance and small disturbance. The power imbalance of the power grid within 5 seconds is equal to or less than ...
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