Novel wind power energy storage power station topological structure

A technology of energy storage power station and topology structure, which is applied in the field of topology structure of new wind power energy storage power station to achieve the effect of improving sharing interaction efficiency and connotative value, enhancing standardization and flexibility, highly correlated and efficient operation and maintenance

Inactive Publication Date: 2019-09-10
HUNAN HUADA ELECTRICIAN HI TECH
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Problems solved by technology

[0003] Aiming at the defects in the topology of the existing wind power station, the present invention provides a new topological structure of the wind power energy storage power station. On the basis of the structure of the conventional wind power station, an energy storage system is added, which can cancel the SVG device of the existing wind power station and solve the problem of wind power generation at the same time. Solve the problem of dynamic adjustment of station active and reactive power, improve the power generation and utilization rate of wind turbines, and reduce wind curtailment

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  • Novel wind power energy storage power station topological structure
  • Novel wind power energy storage power station topological structure
  • Novel wind power energy storage power station topological structure

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Embodiment Construction

[0026] Embodiments of the technical solutions of the present invention will be described in detail below in conjunction with the accompanying drawings. The following examples are only used to illustrate the technical solutions of the present invention more clearly, and therefore are only examples, rather than limiting the protection scope of the present invention.

[0027] refer to figure 1 , a new topology of wind power energy storage power station provided in this embodiment, including power system 110kV busbar, 35kV busbar, induction filter transformer, induction filter transformer including high voltage winding 1, low voltage winding 2 and low voltage winding 3, wind power generator set, wind power The generating set is composed of multiple wind turbines, FC filter and energy storage system, and the energy storage system is composed of multiple energy storage conversion units.

[0028] The high-voltage winding 1 of the induction filter transformer is connected to the 110k...

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Abstract

The present invention discloses a novel wind power energy storage power station topological structure. According to functional requirements of a wind power generation system and a energy storage system, an induction filter transformer is used at wind power generation units, and an FC filter and the energy storage system are installed at the same time to remotely dispatch active power and reactivepower of the wind power generation system and the energy storage system; and based on a conventional wind power generation system structure, the energy storage system is installed so that, an SVG device in the existing wind power generation system can be canceled, the problem of active power dynamic regulation and reactive power dynamic regulation of the wind power generation system can be solved,and power generation and utilization rate of the wind power generation units can be improved to reduce wind curtailment.

Description

technical field [0001] The invention belongs to the technical field of wind power generation and energy storage, and in particular relates to a novel topological structure of a wind power storage power station. Background technique [0002] At present, the topology of domestic distributed wind power generation is mainly to configure SVG devices and FC filters on the low-voltage side of the step-up transformer. Through coordinated control of SVG devices and FC filters, dynamic reactive power compensation and harmonic suppression are performed on the power system. Although it can improve the power quality to a certain extent, because the SVG device and FC filter can only provide reactive power support, they cannot adjust the active power of the power system and cannot smooth the wind power output, resulting in serious "wind curtailment". Contents of the invention [0003] Aiming at the defects in the topology of the existing wind power station, the present invention provides...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02J3/38H02J3/32
CPCH02J3/386H02J3/32Y02E70/30Y02E10/76
Inventor 罗隆福张志文马芳
Owner HUNAN HUADA ELECTRICIAN HI TECH
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