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Photovoltaic-diesel-storage hybrid power generation system

A photovoltaic power generation system and hybrid power generation technology, applied in photovoltaic power generation, energy storage, greenhouse gas reduction, etc., can solve problems such as solar volatility and difficulty in ensuring power quality, and achieve economical and reasonable energy supply, good economic value and environmental protection value Effect

Inactive Publication Date: 2020-06-09
葛洲坝能源重工有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Photovoltaic power generation has the advantages of rich resources and environmental friendliness, but solar energy is volatile, and it is difficult to guarantee power quality with pure photovoltaic complementarity

Method used

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  • Photovoltaic-diesel-storage hybrid power generation system
  • Photovoltaic-diesel-storage hybrid power generation system
  • Photovoltaic-diesel-storage hybrid power generation system

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0027] Example 1, such as figure 1 As shown, a light-diesel-storage hybrid power generation system includes a photovoltaic power generation system, a diesel generator controller, and a diesel generator set: the photovoltaic power generation system includes photovoltaic modules and arrays, photovoltaic brackets, photovoltaic controllers, battery packs, two-way energy storage converter The photovoltaic support is connected to the photovoltaic module, the photovoltaic controller is connected to the photovoltaic module and the array, the photovoltaic module and the array are connected to the inverter, the battery pack is connected to the photovoltaic controller, and the The battery pack is connected to the bidirectional energy storage converter, the diesel generator set is connected to the diesel generator controller, the inverter, the bidirectional energy storage converter, and the diesel generator controller are all connected to the microgrid. Cooperate with each other to comple...

Embodiment 2

[0028] Embodiment 2, the photovoltaic prediction sensor and the multivariate statistical discrimination algorithm, its specific implementation method is: the controller acquisition system samples the characteristic data of the optical diesel storage module, and obtains photovoltaic historical data, forecast day meteorological data and historical meteorological data; The storage and power generation energy management system adjusts the signal collection range of the prediction model variables, obtains similar daily data sets and photovoltaic historical data, and uses the signal processing module of the photovoltaic prediction sensor to output signals (similar daily data sets: temperature, air Quality index) to extract characteristic signals to form a dynamic matrix of a certain sample, use multivariate statistical discriminant algorithm to analyze the factor attributes of each dynamic matrix, confirm the input and output variables of the photovoltaic prediction sensor, and extrac...

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Abstract

The invention discloses a photovoltaic-diesel-storage hybrid power generation system. The system comprises a photovoltaic power generation system, a diesel generator controller, and a diesel generatorset. The photovoltaic power generation system comprises a photovoltaic assembly and an array, a photovoltaic support, a photovoltaic controller, a storage battery pack, a bidirectional energy storageconverter and an inverter. The photovoltaic support is connected with the photovoltaic assembly. The photovoltaic controller is connected with the photovoltaic assembly and the array. The photovoltaic module and the photovoltaic array are connected with the inverter, the storage battery pack is connected with the photovoltaic controller, the storage battery pack is connected with the bidirectional energy storage converter, the diesel generator set is connected with the diesel generator controller, the inverter and the diesel generator controller are connected with a microgrid, and the above components cooperate with each other to complete a photovoltaic-diesel-storage power generation task. The system has the advantages that recombination optimization is carried out according to the characteristics of different forms of energy structures, fluctuation of photovoltaic power generation power can be balanced, electric energy can be stored when light resources are sufficient, the power supply time is prolonged, and the electric energy quality of the system is improved.

Description

technical field [0001] The invention relates to the technical field of power generation, in particular to a light-diesel-storage hybrid power generation system. Background technique [0002] With the continuous development of the global economy, the increasing energy crisis and the increasingly severe air pollution, clean energy and renewable energy have received great attention. Many countries have begun to formulate carbon emission standards with the aim of reducing energy consumption, reducing greenhouse gas emissions and encouraging the development of clean energy. Although conventional fossil energy power generation technology is mature, with large single-unit capacity and high operational stability, its development is severely restricted by shortcomings such as low energy utilization efficiency, poor peak-shaving capability of units, and pollutant emissions. [0003] In recent years, with the decline in the prices of photovoltaic power generation equipment such as pho...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02J3/38H02J3/30H02J3/32H02J3/24
CPCH02J3/24H02J3/30H02J3/32Y02E10/56Y02E60/16Y02E70/30
Inventor 芦川刘飞胡瑞林周金木李志翔平原张守和
Owner 葛洲坝能源重工有限公司
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