Calculation method for maximizing the output of wind and solar power generation under the joint operation mode of multi-source power generation

Abstract

The invention relates to a calculation method for maximum output of wind-solar hybrid power generation in a multi-source generation combined operation mode and belongs to the technical field of operation and controlling of new energy sources connected to power systems. According to the method, maximum output of wind-solar power generation in the multi-source generation combined operation mode is calculated according to active power of a wind-solar power outgoing line, upper limit allowance of the active power, and downward adjustable allowance of active power of automatic generating sets in a wind-solar power combination area. Acceptance space of a power grid is mined on the premise of ensuring safety of the power grid, and wind-solar power utilization rate is increased as high as possible. The method has the advantages that the method can be integrated to a multi-source generation combined operation scheduling master system, using wind, solar, water and gas power generation, operating in a scheduling center, the system can implement the most appropriate control strategy according to current operating states of wind farms / photovoltaic power stations and safety allowances of wind / solar outgoing passages in real time, and different needs for safe, high-quality and economical control of the power grid are met accordingly.

Description

technical field [0001] The invention relates to a calculation method for maximizing the output of wind and solar power generation under the joint operation mode of multi-source power generation, and belongs to the technical field of operation and control of new energy accessing power systems. Background technique [0002] The strong randomness of wind / light resources, difficulty in forecasting, and anti-peak regulation make it more difficult to control active power dispatching in power grids. How to maximize the utilization of wind power / photovoltaic power generation resources and absorb as much wind power / photovoltaic power generation as possible under the premise of ensuring the safety of the power grid has become one of the common challenges faced by the power grids where various wind power / photovoltaic power generation bases are currently located. At present, the industry has conducted a lot of research on the active power dispatching control after wind power / photovoltai...

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Problems solved by technology

[0003] At present, the actual project site lacks a calculation method for the maximum output of wind and solar power generation under the combined operation of multi-source power generation, which leads to the abandonment of light caused by the underestimation of the wind power / photovoltaic power generation capacity of the grid, which reduces the wind power / photovoltaic power generation capacity. Utilization of

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