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Wind power and photovoltaic power complementary power supply system based on mixed energy accumulation of super capacitor accumulator

A supercapacitor and power supply system technology, which is applied in the direction of electric energy storage system, photovoltaic power generation, wind power generation, etc., can solve the problems of high system cost, low service life, difficult output, etc., achieve fast charging and discharging speed, prolong service life, The effect of reducing the installed capacity

Inactive Publication Date: 2012-05-30
INST OF ELECTRICAL ENG CHINESE ACAD OF SCI
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0013] The purpose of the present invention is to overcome the shortcomings of the existing storage battery used as an energy storage device in the wind-solar hybrid system, which has low service life, high system cost, difficulty in output in severe cold environments, and easy to cause environmental pollution, etc., to provide a wind-solar hybrid power supply system supercapacitor-battery hybrid energy storage device

Method used

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  • Wind power and photovoltaic power complementary power supply system based on mixed energy accumulation of super capacitor accumulator
  • Wind power and photovoltaic power complementary power supply system based on mixed energy accumulation of super capacitor accumulator
  • Wind power and photovoltaic power complementary power supply system based on mixed energy accumulation of super capacitor accumulator

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Embodiment Construction

[0033] The present invention will be further described below in conjunction with the accompanying drawings and specific embodiments.

[0034] figure 1 Shown is an embodiment of the wind power generation and photovoltaic power generation complementary power supply system based on supercapacitor battery hybrid energy storage of the present invention. This embodiment includes a DC bus 11, a DC / DC step-down converter 20, an AC / DC converter 30, a supercapacitor bank 40, a DC / AC inverter 50, a battery pack 60, a battery charging circuit 700, and a photovoltaic array 70, Wind power generator 80 , diesel engine / mains interface 90 , photovoltaic power generation output 300 , wind power generation output 400 , AC load port 500 , DC load port 600 , AC load 100 and DC load 200 . The DC bus 11 is connected to the supercapacitor bank 40, the photovoltaic array 70 is connected to the supercapacitor bank 40 through the DC / DC step-down converter 20, and the photovoltaic power generation outpu...

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Abstract

Disclosed is a wind and solar hybrid power system based on an ultra-capacitor battery hybrid system, which includes a DC / DC buck converter (20), an AC / DC converter (30), an ultra-capacitor assembly (40), a DC / AC converter (50), a battery assembly (60), a battery charge circuit (700), a photovoltaic array (70), a wind generator (80) and an oil engine / commercial power interface (90). The photovoltaic array (70) is connected with the ultra-capacitor assembly (40) through the DC / DC buck converter (20); the wind generator (80) and the oil engine / commercial power interface (90) are connected with the ultra-capacitor assembly (40) through the AC / DC converter (30); the ultra-capacitor assembly (40) charges the battery assembly (60) through the battery charge circuit (700); the ultra-capacitor assembly and the battery assembly provides a definite power buffering to the system so that to maintain a stable voltage of the power supply. The wind and solar hybrid power system of the invention can provides uninterrupted power to the telecommunication system and resident living in the undeveloped areas where the power distribution network can not reach.

Description

technical field [0001] The invention relates to a wind power generation and photovoltaic power generation complementary power supply system, in particular to a wind power generation and photovoltaic power generation complementary power supply system based on hybrid energy storage of supercapacitor batteries. Background technique [0002] With the increasingly prominent energy crisis, wind power, photovoltaic power generation and other clean and renewable energy power generation technologies are more and more widely used. Due to the natural complementarity of wind and solar resources, wind power and photovoltaic power generation complementary power generation has great development prospects. The power generation units of the wind-solar hybrid power supply system can be independently controlled and can work in coordination. The power supply security and reliability are relatively high, and it can provide uninterrupted power for communication facilities and residents' lives in r...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H02J7/00H02J15/00H02J7/34H02J7/35
CPCY02E70/30Y02E10/566Y02E10/766Y02E10/56Y02E10/76
Inventor 唐西胜邓卫齐智平
Owner INST OF ELECTRICAL ENG CHINESE ACAD OF SCI
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