光伏建筑项目低压直流供电电气节能研究  

Electrical Energy Saving of Low Voltage DC Power Supply for Photovoltaic Building Projects

作　　者：房建军 FANG Jian-jun(China Energy Investment Corporation Center for Green Energy and Architecture, Beijing 102211, China;National Institute of Clean-and-Low-Carbon Energy, Beijing 102211, China)

机构地区：[1]国家能源集团绿色能源与建筑研究中心,北京102211 [2]北京低碳清洁能源研究院,北京102211

出　　处：《节能技术》2021年第2期112-116,共5页Energy Conservation Technology

基　　金：住房和城乡建设部科技计划项目(2017-K1-027)。

摘　　要：针对缺乏全面、系统的光伏建筑低压直流配电节能设计指导思想的现状,提出了光伏建筑低压直流供电系统电气节能设计的主要原则——满足建筑功能需求、符合建筑安全要求、满足可再生能源最大化利用与提高能效的要求以及满足经济合理要求,并详解了节能设计的主要内容。按照此原则进行光伏建筑一体化项目的电气节能设计,针对项目的基本情况和光伏建筑的光伏发电特点设计配套的光伏系统;设计适合此建筑的低压直流供电架构及电气节能方案;并配备了直流用电负荷。通过该项目的设计和建设,说明了此电气节能设计原则对光伏建筑一体化及低压直流供电节能设计技术的应用和推广所具有的指导意义。In view of the lack of comprehensive and systematic guidelines for the energy-saving design of low-voltage DC distribution of photovoltaic buildings,the main principles of electrical energy-saving design of integrated low-voltage DC power supply systems for photovoltaic buildings are proposed——meeting the functional requirements of the building,meeting the safety requirements of the building,and meeting the requirements of renewable energy.The requirements for maximizing energy use and improving energy efficiency are fulfilled,as well as the economic requirements,and the main contents of energy-saving design are explained in detail.According to these principles,the electrical energy-saving design of the photovoltaic building integrated project was designed,and the photovoltaic system was designed according to the basic situation of the project and the photovoltaic power generation characteristics of the photovoltaic building;the low-voltage DC power supply structure and electrical energy-saving scheme suitable for this building were designed;and electricity loads were equipped.Through the design and construction of the project,this electrical energy-saving design plays a significant role in guiding the application and promotion of photovoltaic building integration and low-voltage DC power supply energy-saving design technology.

关 键 词：光伏建筑一体化 直流供电 节能设计 直流负荷 能效管理 

分 类 号：TM72[电气工程—电力系统及自动化]