Active power control method for water-fire-wind-light-storagemulti-energy complementary integrated power supply

Abstract

The invention discloses an active power control method for a water-fire-wind-light-storage multi-energy complementary integrated power supply. Units with similar power generation types are classified into a power supply unit for adjustment, and coordinated control is conducted on a conventional power supply, an energy storage power supply and a new energy power supply which participate in forming the complementary integrated power supply through a multi-energy complementary power supply centralized control center; the complementary integrated power supply centralized control center is provided with a comprehensive control module; in order to meet different combination modes of participating power supplies, a secondary control module including a conventional power supply and energy storage power supply complementary integration unit, a new energy and energy storage power supply complementary integration unit, a conventional power supply and new energy complementary integration unit and a conventional power supply, new energy and energy storage power supply complementary integration unit is arranged. Various types of power supply regulation mechanisms are organically combined, and the power supply with better regulation performance is used for compensating and regulating the power supply with poorer regulation performance or the power supply without regulation capability, so that the overall regulation performance of the active power of the complementary integrated power supply is improved.

Description

technical field [0001] The invention belongs to the technical field of electric power system automation control, and relates to an active power control method of a water, fire, wind, wind, storage and multi-energy complementary integrated power supply. Background technique [0002] With the implementation of the new energy strategy of "four revolutions and one cooperation", the proportion of new energy in China's power grid has been increasing. However, new energy power stations mainly composed of photovoltaic power generation and wind power Due to the non-adjustable and non-storable meteorological resources, it has strong randomness and volatility characteristics, which seriously threatens the security of the power grid. It is even referred to as "garbage electricity". [0003] At the same time, conventional power sources represented by conventional hydropower stations and thermal power stations still occupy the main proportion of grid-connected power sources. Conventional...

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Problems solved by technology

[0010] Some research results have introduced overly complex strategy logic and calculation formulas into the control strategy, but neglected that active power control is a real-time control function, which has extremely high requirements for the rapidity and stability of function operation, and most real-time control automation The system cannot implement overly complex or advanced functions, thus greatly reducing the applicability of these overly complex results

[0011] Most of the research results are limited to the active response of the complementary integrated power supply to the primary frequency modulation and secondary frequency modulation commands, while ignoring the decrease in the total output power stability of the integrated power supply due to the fluctuation of the output power of the new energy power supply, and how to passively maintain the integrated power supply. The problem of the total output power stability of the power supply

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