A power system optimal dispatching method considering photovoltaic access
A technology for optimizing dispatching and power systems, applied in the direction of system integration technology, information technology support systems, electrical components, etc., can solve the problem of lack of accurate control of photoelectric field output
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[0027] The specific embodiments of the present invention will be further specifically described below through specific embodiments in conjunction with the accompanying drawings.
[0028] like figure 1 As shown, it is a flow chart of the optimal scheduling method of the present invention, including the following steps:
[0029] A) Obtain day-ahead load forecasting, transmission network topology, basic data of conventional units and backup plans, in units of hours, and divide the whole day into 24 time periods, and build a mathematical model for day-ahead optimization:
[0030]
[0031]
[0032] Among them, M is the number of all conventional units, p i,T is the operating power of conventional unit i in T period, a i , b i and c i are the quadratic coefficient, the primary coefficient and the constant of the operation cost of the conventional unit i respectively, p D,T is the system load forecast value in T period, is the predicted value of photoelectric output in T...
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