光伏发电直流接入与消纳的方案设计和工程实践

doi:10.11930/j.issn.1004-9649.201812014

中国电力 ›› 2019, Vol. 52 ›› Issue (10): 108-114.DOI: 10.11930/j.issn.1004-9649.201812014

光伏发电直流接入与消纳的方案设计和工程实践

杨朝翔, 李红建, 陈蕾, 陈翔宇

国网冀北电力有限公司经济技术研究院, 北京 100038

收稿日期:2018-12-06 修回日期:2019-04-13 出版日期:2019-10-05 发布日期:2019-10-12
作者简介:杨朝翔(1990-),男,通信作者,工学硕士,工程师,从事变电一次设计、咨询等工作,E-mail:yzx0612@sina.com;李红建(1972-),男,工学硕士,高级工程师,从事输变电工程设计、咨询工作,E-mail:li.hj@jibei.sgcc.com.cn;陈蕾(1989-),女,工学硕士,工程师,从事变电一次设计、咨询等工作,E-mail:chen.lei.h@jibei.sgcc.com.cn;陈翔宇(1991-),男,工学硕士,工程师,从事电网规划、设计等研究,E-mail:chen.xiangy@jibei.sgcc.com.cn
基金资助:
国家重点研发计划资助项目（高压大容量柔性直流电网关键技术研究与示范，2016YFB0900900）。

Scheme Design and Engineering Implementation of DC Grid-Connection and Accommodation of Photovoltaic Power

YANG Zhaoxiang, LI Hongjian, CHEN Lei, CHEN Xiangyu

State Grid Jibei Electric Economic Research Institute, Beijing 100038, China

Received:2018-12-06 Revised:2019-04-13 Online:2019-10-05 Published:2019-10-12
Supported by:
This work is supported by National Key R & D Programof China(Research and Demonstration of Key Technologies for High Voltage and Large Capacity Flexible DC, No.2016YFB0900900)

摘要/Abstract

摘要： 随着柔性直流技术的发展，配电网领域源-网-荷的构建方式更加丰富，可实现集中式光伏直流并网、数据中心直流供电等新型电网模式。依托张北交直流配电网及柔性变电站示范工程，介绍光伏发电站直流并网方案以及工程实施途径，同时，设计了数据中心直流供电的接线方式，计算了供电可靠性。在此基础上，对比直流配电网和传统交流配电网，从电能传输效率、供电可靠性、电能质量等方面体现了直流配电网的优势。示范工程实现了光伏发电直流接入与消纳，设计成果和实践经验可为同类工程提供参考。

关键词: 直流配电网, 光伏, 直流并网, 直流供电, 传输效率

Abstract: With the development of flexible DC technology, the construction of source-grid -load in distribution network is greatly enriched, and the new-type grid models become possible such as centralized photovoltaic DC grid-connection and DC power supply for data centers. Based on Zhangbei AC & DC distribution network and flexible substation demonstration project, the paper introduces the DC grid-connection scheme for photovoltaic power station and the way of engineering implementation. In the meantime, the connection of DC power supply system is designed for data center and the reliability of power supply is calculated. Compared with the traditional AC distribution network, the advantages of DC distribution network are demonstrated in view of power transmission efficiency, power supply reliability and power quality. The demonstration project has realized the DC integration and accommodation of photovoltaic power generation, and the design results and practical experience can provide a reference for similar projects.

Key words: DC distribution network, photovoltaic, DC grid-connection, DC power supply, power transmission efficiency

中图分类号:

TM72

杨朝翔, 李红建, 陈蕾, 陈翔宇. 光伏发电直流接入与消纳的方案设计和工程实践[J]. 中国电力, 2019, 52(10): 108-114.

YANG Zhaoxiang, LI Hongjian, CHEN Lei, CHEN Xiangyu. Scheme Design and Engineering Implementation of DC Grid-Connection and Accommodation of Photovoltaic Power[J]. Electric Power, 2019, 52(10): 108-114.

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光伏发电直流接入与消纳的方案设计和工程实践

Scheme Design and Engineering Implementation of DC Grid-Connection and Accommodation of Photovoltaic Power

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光伏发电直流接入与消纳的方案设计和工程实践

Scheme Design and Engineering Implementation of DC Grid-Connection and Accommodation of Photovoltaic Power

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