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Wind and solar parallel electricity generation operation method

A technology for power generation operation and wind turbines, applied in the field of wind-solar parallel power generation operation, can solve problems affecting power quality, uncertainty of power flow, poor power grid, etc., so as to improve service life and use efficiency, increase economic benefits, and improve power generation efficiency Effect

Inactive Publication Date: 2014-11-05
四川省科本哈根能源科技有限公司
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Problems solved by technology

[0005] With the continuous expansion of the scale of wind power and photovoltaic power generation, after being connected to the grid, it will inevitably have a negative impact on the grid
Sudden changes in wind speed and light will cause voltage fluctuations and flicker or frequency changes, thereby affecting power quality; the uncertainty of wind and wind output leads to uncertainty in power flow, and changes in power flow may cause branch power flow to exceed limits, node Voltage limit, etc., thus affecting the reliability of power supply

Method used

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  • Wind and solar parallel electricity generation operation method
  • Wind and solar parallel electricity generation operation method
  • Wind and solar parallel electricity generation operation method

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Embodiment Construction

[0041] figure 1 It is a block diagram showing a solar and wind energy integrated power generation system according to the present invention, and the power generation system includes: a wind power generator 11 for converting wind energy into electric energy, wherein the wind power generator adopts a doubly-fed motor; wind turbine voltage, current, The rotational speed sampling module 13 is used to detect the voltage, current and rotational speed when the motor is running; the solar panel 12 is used to convert solar energy into electrical energy; the energy storage module 7 is used to store the above-mentioned wind power generator 11 and solar panel 12 to obtain The electric energy obtained by the wind power generator 11 is stored in the energy storage module through the rectification device 9, and the electric energy obtained by the solar panel is stored in the energy storage module through the DC / DC converter 10. The energy storage module 7 includes a plurality of battery modu...

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Abstract

The invention relates to a wind and solar parallel electricity generation operation method. The method has the advantages that wind energy and solar energy are converted into electric energy, the electric energy is stored in an energy storage module, the energy storage module supplies the electric energy to a power grid through an inversion module according to the requirements of the power grid, and instability of the wind energy and the solar energy is prevented from directly impacting the power grid; in the operation process, a battery module monitoring device and an equalizer are used, so that the service life of a battery is prolonged, the use efficiency of the battery is enhanced, and the economic benefit of an electricity generation system is increased.

Description

Technical field [0001] The invention relates to a method for operating wind and solar parallel power generation. Background technique [0002] With the rapid expansion of energy demand, the deteriorating ecological environment and the sustainable development of human beings, all countries in the world are actively developing and utilizing renewable new energy. [0003] At present, wind power generation is the power generation form with the most mature technology, the largest development scale and the most commercial development prospects in the development and utilization of renewable energy. Due to its outstanding role in reducing environmental pollution, adjusting energy structure, and promoting sustainable development, wind power is an important green energy in this century, and it is one of the important alternative energy sources for conventional energy such as coal. The abundant, widely distributed, non-polluting and renewable solar energy resources make solar photovo...

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Application Information

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IPC IPC(8): H02J3/32
CPCY02E70/30
Inventor 任德新李志敏
Owner 四川省科本哈根能源科技有限公司
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