Inteligent Control of Electric Power and Load in LED Street Lamp System Driven by Solar Power

BAI Lin; HUANG Li; SONG Dong-mei; HE Zheng-wen

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Inteligent Control of Electric Power and Load in LED Street Lamp System Driven by Solar Power

paper | 更新时间：2020-08-12

- Inteligent Control of Electric Power and Load in LED Street Lamp System Driven by Solar Power
- Chinese Journal of Luminescence Vol. 30, Issue 6, Pages: 892-897(2009)
- 作者机构：
  
  1. 大庆石油学院计算机与信息技术学院,黑龙江大庆,163318
  2. 中国石油大庆石化公司炼油厂, 黑龙江大庆 163711
  3. 大庆中学,黑龙江大庆,163712
- 作者简介：
- 基金信息：
- DOI：
  CLC： TN312.8
- Received：24 October 2008，
  
  Revised：02 January 1900，
  
  Published Online：30 December 2009，
  
  Published：30 December 2009
- 稿件说明：
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BAI Lin, HUANG Li, SONG Dong-mei, et al. Inteligent Control of Electric Power and Load in LED Street Lamp System Driven by Solar Power[J]. Chinese journal of luminescence, 2009, 30(6): 892-897.
DOI：

BAI Lin, HUANG Li, SONG Dong-mei, et al. Inteligent Control of Electric Power and Load in LED Street Lamp System Driven by Solar Power[J]. Chinese journal of luminescence, 2009, 30(6): 892-897. DOI：

摘要

实现了太阳能LED路灯综合控制系统中太阳能逆变、蓄电池充电、LED照明组件驱动子系统控制方案与电路设计

并对相关技术进行了分析。逆变子系统采用DC/DC升压与DC/AC逆变分段控制

DC/DC段采用最大功率跟踪(MPPT)稳定输出直流

DC/AC段采用电压外环电流内环控制并结合无功功率检测反馈和电流前馈控制的综合控制技术。蓄电池充电子系统采用分段充电策略与控制技术来保证电池组充分充电

避免蓄电池被过充以确保蓄电池能够长周期稳定工作。最后通过对各种白光LED驱动方案的比较

确定了白光LED最佳驱动方案为恒电流驱动脉宽调制(PWM)控制亮度。

Abstract

Three main subsystems included in comprehensive control system of solar-energy high-power white-brightness LED street lamp were designed in the paper.The three main subsystem are inversion subsystem of solar power

battery charging subsystem and driving subsystem of LED luminous device. The control techno-logy of the three subsystem were analyzed and studied. Inversion subsystem of solar power was divided into constant current increasing voltage section of DC/DC and inversion section of DC/AC. The technology of MPPT(maximum power point tracker) was adopted to output stable constant current in the control section of DC/DC. The dual-loop control structure was adopted in the inversion section of DC/AC. The voltage was controlled in outer-loop and the current was controlled in inner-loop.And the control technology of reactive power feedback and current feedforward were integrated with dual-loop control technology in the section of DC/AC

too. The method and control technology of sectional charging was adopted in the storage battery charging subsystem to make sure to avoid the storage cells to be overcharged and work in the stable status for long period. The best optimum driving scheme for high power white brightness LED street lamp was defined

that LED street lamp is drived by constant current and the brightness of the street lamp is regulated by PWM technology at last.

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Keywords

references

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