Wind power plant direct power supply economy assessment method
A direct power supply, economical technology, applied in the field of power system, can solve the potential loss of grid power consumption without considering load consumption, unable to accurately calculate the economic benefits of direct power supply load, without considering the time distribution of power curtailment points and other issues, to avoid risks, optimize electricity costs, and evaluate reasonable and reasonable methods.
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[0027] Before describing the embodiments of the present invention, the technical concepts involved are explained as follows:
[0028] Due to the instability of wind farm output, the power components consumed by direct power supply projects can be divided into the following types:
[0029] Grid-off mode: The wind farm is in a no-wind state, or the power generated by the wind turbine in a small windy day is less than the power used by the field. At this time, all the power consumed by the direct power supply load is offline. The actual loss (gain) under this model is:
[0030] Direct power supply load consumes off-grid electricity* (off-grid electricity price-load agreement electricity price)
[0031] Abandoned wind power mode: The wind farm is in a limited power mode, and the abandoned wind power is greater than the power of the direct supply load. At this time, the electricity consumed by the load is the curtailment of wind power, and the calculation method of the income of the curt...
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