用戶側(cè)低壓直流供電系統(tǒng)研究及創(chuàng)新實踐
楊欣可,王賽豪,沙云鵬,喬會杰,孔玉輝,李瓊可
(平高集團有限公司,河南 平頂山 467000)
摘 要:概述了低壓直流(LVDC)系統(tǒng)的相關(guān)技術(shù)理論,分析了LVDC供電系統(tǒng)具有便于分布式電源的友好接入和高效利用、提高電能利用效率、提高線路輸送容量、能夠更好地保障供電直流等技術(shù)特點;對國內(nèi)和國外一些研究機構(gòu)與院校對低壓直流供電系統(tǒng)的技術(shù)研究近況、標(biāo)準制定情況和一些探索實踐進行了總結(jié),并介紹了平高集團有限公司在低壓直流供電技術(shù)領(lǐng)域的研究和實踐情況——建設(shè)了具有完整低壓直流生態(tài)架構(gòu)系統(tǒng)的“直流屋”,對促進節(jié)能減排,實現(xiàn)可持續(xù)能源發(fā)展具有重要意義。
關(guān)鍵詞:低壓直流;智慧直流屋;電壓分級;能源管理
中圖分類號:TM712 文獻標(biāo)識碼:A 文章編號:1007-3175(2020)03-0036-05
Research and Innovation Practice of User Side LVDC Power Supply System
YANG Xin-ke, WANG Sai-hao, SHA Yun-peng, QIAO Hui-jie, KONG Yu-hui, LI Qiong-ke
(Pinggao Group Co., Ltd, Pingdingshan 467000, China)
Abstract: This paper introduced the related technology theory of LVDC system, analyzed the technical characteristics of LVDC power supply system, such as friendly access and efficient utilization of distributed power sources, improvement of power utilization efficiency and line transmission capacity, and better protection of DC power supply, and summarized the current state of technical research, standard setting, and exploratory practices on LVDC power supply systems of some domestic and foreign research institutions and academies.Introduction was made to the research and practice situations of Pinggao Group Co., Ltd, in the field of LVDC power supply technology.The DC house with complete LVDC ecological structure system has been built.It is of great significance for emission reduction and achieving sustainable energy development.
Key words: low voltage DC; smart DC house; voltage classification; energy management
參考文獻
[1] 李忠,余學(xué)文,吳鳴,等. 低壓直流配電網(wǎng)繼電保護研究與實踐[J]. 供用電,2018,35(8):40-44.
[2] 閔曉晴,馮琳,李國杰,等. 低壓直流供電系統(tǒng)負載特性[J]. 電力系統(tǒng)及其自動化學(xué)報,2018,30(8):68-75.
[3] 劉健,魏昊焜,張志華,等. 未來配電網(wǎng)的主要形態(tài)——基于儲能的低壓直流微電網(wǎng)[J]. 電力系統(tǒng)保護與控制,2018,46(18):11-12.
[4] 宋強,趙彪,劉文華,等. 智能直流配電網(wǎng)研究綜述[J]. 中國電機工程學(xué)報,2013,33(25):9-19.
[5] PANG Huey, EDWARD L O, PONG Bryan. DC Electrical Distri-Bution Systems in Buildings[C]//2nd International Conference on Power Electronics Systems and Applications,2006:115-119.
[6] WANG F, PEI Yunqing, BOROYEVICH D, et al. AC VS DC Dis-Tribution for Off-Shore Power Delivery[C]//34th Annual Conference of IEEE Industrial Electronics,2008:2113-2118.
[7] 李忠,嚴建海,王福林,等. 樓宇低壓直流配電系統(tǒng)示范應(yīng)用[J]. 供用電,2018,35(6):33-40.
[8] 李英彪,梁軍,吳廣祿,等. 多電壓等級直流電力系統(tǒng)發(fā)展與挑戰(zhàn)[J]. 發(fā)電技術(shù),2018,39(2):118-120.