Photovoltaic participation power balance availability rate setting method

Abstract

The invention discloses a photovoltaic participation power balance availability rate setting method. The method comprises the following steps: S1, collecting photovoltaic output historical data and photovoltaic installed capacity data of required calculation time; s2, performing data processing on the collected photovoltaic output historical data, independently taking out and sorting festival and holiday data, and dividing the festival and holiday data into common data and festival and holiday data; s3, carrying out per-unit processing on the data obtained in the S2; s4, classifying according to months (holidays and festivals), and splicing to obtain a data set taking the months (holidays and festivals) as categories; s5, performing correction calculation on the data which does not meet the requirements in the data set by using a 3-sigma rule; s6, calculating the photovoltaic participation power balance availability rate of each month (holidays and festivals); the method can effectively calculate the photovoltaic available condition in the medium-and-long-term power balance plan, facilitates the auxiliary scheduling planning mechanism to arrange the balance plan of a conventional power supply, and guarantees the safety and stability of a power system.

Description

technical field [0001] The invention relates to the field of the availability rate of photovoltaic participation in power balance in a power system, in particular to a method for setting the availability rate of photovoltaic participation in power balance. Background technique [0002] Under the goal of carbon peaking and carbon neutrality, the installed capacity of photovoltaic power generation will increase day by day, and photovoltaic power generation will become the main power generation source in the power system in the future. However, for renewable energy such as photovoltaics, its power generation has certain volatility and randomness. For the formulation of the mid-to-long-term power system power balance plan, the formulation time may be as long as several weeks, months or even years. At this time, it is almost impossible to accurately predict the output of photovoltaic power generation. At this time, it is unreasonable to formulate the photovoltaic power balance pl...

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Problems solved by technology

[0004] For example, a "a method for setting the frequency deviation coefficient of the power grid control area" disclosed in the Chinese patent literature, its announcement number: CN20181-6112868, discloses a frequency deviation coefficient that adaptively changes the weight according to the actual output of the generator set The setting method does not consider the power generation of photovoltaic power generation during holidays for many years

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