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Wind-photovoltaic-diesel-battery independent power supply coordinated control system and method for communication base stations

A technology of coordinated control system and communication base station, which is applied in the field of coordinated control system of wind, diesel and storage independent power supply for communication base stations, which can solve problems such as DC bus voltage fluctuations, achieve stable voltage, simplify control strategies, and save hardware costs

Inactive Publication Date: 2017-04-26
WUHAN UNIV OF TECH
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, every time the diesel engine is connected to or withdrawn from the power generation system, the DC bus voltage will be fluctuated

Method used

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  • Wind-photovoltaic-diesel-battery independent power supply coordinated control system and method for communication base stations
  • Wind-photovoltaic-diesel-battery independent power supply coordinated control system and method for communication base stations

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Embodiment Construction

[0021] The present invention will be further described in detail below in conjunction with the drawings and specific embodiments:

[0022] The wind-solar and diesel-storage independent power supply coordinated control system for communication base stations of the present invention includes wind generator 1, photovoltaic power generation array 2, battery pack 3, diesel generator set 4 (as a backup power source), communication base station load 5 (base station power supply level is 48V), microgrid monitoring system 6, digital signal processor 13, AC load 11 and controllable load 15, wherein the electrical energy output end of the wind generator 1 is connected to the AC power input end of the first AC / DC converter 7, The DC power output terminal of the first AC / DC converter 7 is connected to the input terminal of the first DC / DC converter 8, and the electrical energy output terminal of the photovoltaic power generation array 2 is connected to the input terminal of the second DC / DC co...

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Abstract

The invention relates to a wind-photovoltaic-diesel-battery independent power supply coordinated control system for communication base stations. The system comprises a wind-driven generator, a photovoltaic generation array, a battery pack, a diesel generator set, a communication base station load, a micro-grid monitoring system, a digital signal processor, an AC load, and a controllable load. The power output end of the wind-driven generator is connected with the AC power input end of a first AC / DC converter. The DC power output end of the first AC / DC converter is connected with the input end of a first DC / DC converter. The power output end of the photovoltaic generation array is connected with the input end of a second DC / DC converter. The power output end of the diesel generator set is connected with the AC power input end of a second AC / DC converter. In view of random and intermittent natural resources and the change of the communication base station load, the demand for continuous and stable power supply to a communication base station is satisfied through coordinated control on a wind-solar generation unit, an energy storage device and a diesel.

Description

Technical field [0001] The invention relates to the technical field of DC microgrid systems, in particular to a coordinated control system and method for independent power sources of wind and diesel storage for communication base stations. Background technique [0002] With the popularization of mobile phones, the requirements for the coverage of mobile signals have become more and more extensive, and the construction of communication base stations has gradually spread from urban centers to remote areas. In some remote areas, it is difficult to access city electricity due to geographical restrictions. Usually we choose to use the abundant local resources such as wind and solar to generate complementary power. Since the power generation of natural resources such as wind and wind is greatly affected by climate and season, it is necessary to add energy storage device batteries to stabilize the entire system. When the battery fails or encounters continuous rainy days, the wind and s...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02J1/10H02J7/35H02J1/14
CPCH02J1/10H02J1/14H02J7/35Y02E10/56
Inventor 胡胜曾雨晨刘芙蓉
Owner WUHAN UNIV OF TECH
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