Active coordinated control method of wind, light and storage combined power generation system
A technology of combined power generation and coordinated control, which is applied in photovoltaic power generation, wind power generation, single-network parallel feeding arrangement, etc., can solve the problems of no multi-source coordinated control method, and achieve the effect of safe and reliable closed-loop control
Active Publication Date: 2014-07-16
NARI TECH CO LTD +1
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Problems solved by technology
At present, there is no effective wind, light, and storage multi-source coordinated control method to control the output power tracking dispatching control command of the wind, light, and storage combined power generation system
Method used
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Embodiment Construction
[0031] The present invention will be further described below in conjunction with the accompanying drawings.
[0032] The active power coordination control method of the wind-solar-storage combined power generation system of the present invention automatically calculates the wind-solar control target and the energy-storage control target according to the joint target and the actual power generation conditions of wind, light, and storage, and fully utilizes the complementary advantages of wind energy, solar energy, and energy storage resources, effectively Utilize the energy storage system to store and release electric energy, reasonably adjust renewable energy such as wind and light, realize the output power of the wind-storage-storage combined power generation system to track and dispatch instructions like conventional power sources, and establish the control of wind farms, photovoltaic power stations, and energy storage power stations Model, formulate a reasonable control stra...
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The invention discloses an active coordinated control method of wind, light and storage combined power generation system. The active coordinated control method comprises the steps: using a wind power station, a photovoltaic power station and a storage power station as control objects in a regulating range of the combined power generation system and establishing a control model; setting a control target source of the combined power generation system and combining the current operational state of the stations to calculate the adjustment demands of wind and light power generation systems and the storage system; allocating the adjustment demands to the stations and calculating the adjusting powers and control objects of the wind power station, the photovoltaic power station and storage power station; checking the obtained control objects and finally obtaining a control command to ensure the safety and reliability of control. With the adoption of the method provided by the invention, the complementary advantages of wind, light and storage resources can be given to play, the electric power is effectively stored and released by using the storage system, the renewable energy sources such as wind and light are reasonably adjusted and the condition that the output power of the wind, light and storage combined power generation system is tracked, scheduled and commanded similar to that of the conventional power supply is realized.
Description
technical field [0001] The invention belongs to the technical field of electric power system control, and more precisely, the invention relates to a multi-source active power coordinated control method suitable for a wind-solar-storage combined power generation system. Background technique [0002] In recent years, renewable clean energy power generation technologies represented by wind energy and solar energy have developed rapidly around the world. Due to the intermittency, randomness and volatility of wind energy and light energy, it is difficult for wind and light independent operation systems to provide continuous and stable energy output. Make full use of the natural complementarity of wind energy and light energy in terms of time and region, and at the same time cooperate with the energy storage system to store and release electric energy, improve the power output characteristics of the entire wind and light power generation system, and alleviate the intermittence and...
Claims
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IPC IPC(8): H02J3/46
CPCY02E10/763Y02E10/563Y02E10/56Y02E10/76
Inventor 季侃张小白王银明高宗和滕贤亮于昌海闫忠平徐明刘汉民任巍曦郑立
Owner NARI TECH CO LTD