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Storage cooperative power supply method for wind network and device

A wind grid and grid power technology, applied in the field of multi-energy collaborative power supply, can solve the problems of wind power grid construction restricting large-scale grid connection, etc., and achieve the effects of high-efficiency utilization, capital saving, good economic and social benefits

Active Publication Date: 2012-01-11
顾为东
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the instability of wind power generation and grid construction and other issues limit its large-scale grid integration, coupled with the characteristics of "large-scale development and long-distance transmission" of wind power in my country, it brings greater challenges to wind power grid integration

Method used

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  • Storage cooperative power supply method for wind network and device
  • Storage cooperative power supply method for wind network and device

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Experimental program
Comparison scheme
Effect test

Embodiment 1

[0014] see figure 1 , the wind-grid-storage collaborative power supply method includes the following steps:

[0015] First, the wind-grid-storage intelligent controller is electrically connected to the wind energy quality parameter sensor, the generator output parameter sensor and the load demand parameter sensor respectively; Terminal parameters and load demand parameters for data processing, and output control signals;

[0016] Secondly, when the wind-grid-storage intelligent controller detects that the power generated by the wind-grid storage can meet the load demand, the wind-grid-storage intelligent controller sends a control signal to connect the wind turbine to the inverter and the power grid and high-efficiency intelligent buffer Disconnect from the frequency converter respectively, and the wind power generating set supplies power to the load independently; when the wind grid storage intelligent controller detects that the power generated by the wind power generating ...

Embodiment 2

[0023] see figure 1, the wind-grid-storage collaborative power supply device includes a wind power generator set, a frequency conversion device, a high-efficiency intelligent buffer, a grid power interface, and a wind-grid-storage intelligent controller; The end parameter sensor and the load demand parameter sensor are electrically connected; the wind-grid-storage intelligent controller performs data processing on the collected wind energy quality parameters, generator output end parameters and load demand parameters, and outputs control signals. When the wind-grid-storage intelligent controller detects that the power generated by the wind turbine can meet the load demand, the wind-grid-storage intelligent controller sends out a control signal, and at the same time the wind turbine is connected to the frequency converter and the grid power and the high-efficiency intelligent buffer are respectively connected to the inverter. The inverter is disconnected, and the wind power gen...

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Abstract

The invention discloses a storage cooperative power supply method for a wind network and a storage cooperative power supply device for the wind network. The storage cooperative power supply method for the wind network comprises the following steps of: firstly, acquiring data parameters by a wind network energy storage intelligent controller; secondly, outputting a control signal; and finally, selecting certain mode of three power supply modes, such as wind network cooperation, wind storage cooperation and wind power separate power supply. The storage cooperative power supply device for the wind network comprises a wind generating set, a frequency converting device, a high-efficiency intelligent cache, a network electrical interface and the wind network energy storage intelligent controller; and the wind network energy storage intelligent controller can be used for transmitting a control signal to control the wind generating set, the high-efficiency intelligent cache and the network electrical interface to be respectively broken off and connected with the frequency converting device. According to the storage cooperative power supply method and the device, disclosed by the invention, wind power is directly used for high energy-carrying industry and adjusting capacity for grid connecting, and the input for establishing the grid can be avoided so as to save found; meanwhile, high-efficiency utilization of wind power can be realized, and uninterrupted power supply to the load can be ensured; and the quality of electric energy and the electric quality can respectively meet the requirements of the load.

Description

technical field [0001] The invention relates to a multi-energy coordinated power supply method and device for supplying power to a receiving end user as a load, in particular to a wind-grid-storage coordinated power supply method and a wind-grid-storage coordinated power supply device. Background technique [0002] The development of renewable energy is an important way to solve energy shortages and reduce greenhouse gas emissions. my country's wind power generation is developing rapidly. By the end of 2010, the national wind power hoisting capacity has exceeded 41 million kilowatts, and the construction capacity has reached 35.8 million kilowatts. my country has become the world's wind power industry. The country with the fastest growth rate of installed capacity and the largest number of new installed capacity. However, the instability of wind power generation and grid construction and other issues limit its large-scale grid integration, coupled with the characteristics of ...

Claims

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Application Information

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IPC IPC(8): H02J7/00H02J9/00
CPCY02E10/766Y02E10/76Y02P80/20
Inventor 顾为东
Owner 顾为东
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