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Wind energy storage generating black-start system and energy storage configuration method of the same

A wind storage power generation and black start technology, which is applied to wind power generation, circuit devices, electrical components, etc., can solve the problem of high energy storage cost, and achieve the effect of simple structure, scientific and reasonable energy storage configuration method, and good effect.

Active Publication Date: 2017-10-24
NORTHEAST DIANLI UNIVERSITY +1
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Problems solved by technology

[0004] However, due to the relatively high cost of energy storage at present, there is a lack of research on energy storage configuration for wind storage power generation systems in black start mode at home and abroad.

Method used

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  • Wind energy storage generating black-start system and energy storage configuration method of the same
  • Wind energy storage generating black-start system and energy storage configuration method of the same
  • Wind energy storage generating black-start system and energy storage configuration method of the same

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Embodiment Construction

[0040] The present invention will be further described below using the accompanying drawings and examples.

[0041] In the wind storage power generation system of the present invention, the energy storage cabinet is connected to the high-voltage side of the self-use transformer of the wind turbine set. When black starting, the energy storage cabinet supplies power to the self-use power system of the wind turbine set to assist its start-up. , and then make the set wind turbine combined with energy storage as the original power source to start other wind turbines, and finally realize the black start of the entire wind farm relying on small-capacity energy storage. The type of the wind turbine is a doubly-fed wind turbine DFIG.

[0042] An energy storage configuration method of a wind storage power generation black start system according to the present invention includes the following contents:

[0043] 1) Establish the start-up sequence planning model of wind turbines

[0044]...

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Abstract

The invention provides a wind energy storage generating system. The wind energy storage generating system is characterized in that an energy storage cabinet is connected with the high voltage side of a house transformer of a set wind turbine generator; when black-start occurs, the energy storage cabinet supplies power for the house power supply system of the set wind turbine generator; and black-start of the whole wind power plant can be completed depending on the small capacity of energy storage. The energy storage configuration method of the wind energy storage generating system includes the steps: establishing a wind turbine generator starting sequence planning model and a generator starting sequence, establishing an energy storage configuration capacity model, and establishing an energy storage configuration layout model. The wind energy storage generating black-start system has the advantages of simple structure and high reliability. The energy storage configuration method of the wind energy storage generating black-start system is scientific and reasonable, is high in applicability and has good effect.

Description

technical field [0001] The invention relates to the technical field of power grid black start, and relates to a wind storage power generation black start system and an energy storage configuration method thereof. Background technique [0002] Black start refers to the process of gradually expanding the power supply range of the system through the start-up of units with self-starting capability in the system without relying on the help of other systems after a power outage of the entire system, and finally realizing the recovery of the entire system. [0003] The proportion of installed capacity of wind power in my country's regional power grid is increasing year by year and the wind resource conditions are good. With the great improvement of wind power generation technology, combined with energy storage technology, the output voltage and power of wind farms are more stable. The wind storage system has automatic power generation control and wireless Power regulation ability, w...

Claims

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Application Information

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IPC IPC(8): H02J3/38
CPCH02J3/386H02J2203/20Y02B10/30Y02E10/76
Inventor 李翠萍张佳星穆钢严干贵李军徽孔明
Owner NORTHEAST DIANLI UNIVERSITY
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