基于容量分解的电力直流电源系统蓄电池容量计算方法Calculation Method of Battery Capacity in DC Power Supply System Based on Capacity Decomposition
李学斌;解放;张燚;
摘要(Abstract):
阐述了厂/站直流电源系统中阶梯负荷曲线及传统蓄电池容量计算方法,利用蓄电池容量换算系数表,得到任取的4种蓄电池的放电时间和所需蓄电池容量的系数关系曲线,分析了上述曲线的特点。基于放电初始阶段和后续阶段所需蓄电池容量的差异,提出将蓄电池容量分为基础容量和消耗容量,并研究了基础容量和消耗容量在蓄电池放电过程中的相互作用和变化趋势。在此基础上,针对典型事故放电曲线,提出了计算发电厂和变电站蓄电池容量的新算法,详细论述了新算法的计算过程及相比于传统算法的优势,最后研究了随机冲击负荷在新算法中的处理方式。采用传统电流换算法和新算法分别对5个典型放电曲线所需的蓄电池容量进行了计算,论证了新算法的合理性和有效性。
关键词(KeyWords): 蓄电池;容量计算;容量换算法;电流换算法;阶梯负荷曲线
基金项目(Foundation):
作者(Author): 李学斌;解放;张燚;
Email:
DOI: 10.13335/j.1000-3673.pst.2017.1591
参考文献(References):
- [1]白忠敏,刘百震,於崇干.电力工程直流系统设计手册[M].北京:中国电力出版社,2009:20-22.
- [2]赵希正.强化电网安全保障可靠供电:美加“8.14”停电事件给我们的启示[J].电网技术,2003,27(10):1-7.Zhao Xizheng.Strengthen power system security to ensure reliability power delivery[J].Power System Technology,2003,27(10):1-7(in Chinese).
- [3]向小民,周百鸣,徐沙渺.蓄电池容量在线监测的探讨[J].电源技术,2009,33(3):213-216.Xiang Xiaomin,Zhou Baiming,Xu Shamiao.Discussion of on-line monitoring residual capacity of battery[J].Chinese Journal of Power Sources,2009,33(3):213-216(in Chinese).
- [4]孙茗,刘百震,於崇干,等.电力工程直流电源系统设计技术规程:DL/T 5044[S].北京:中国计划出版社,2014.
- [5]Hoxie E A.Some discharge characteristics of lead acid batteries[J].Transactions of the American Institute of Electrical Engineers,Part II:Applications and Industry,1954,73(1):17-22.
- [6]刘百震.蓄电池组容量选择的计算方法[J].电力技术,1989(8):32-37.Liu Baizhen.Calculation method of battery capacity choice[J].Electric Power,1989(8):32-37(in Chinese).
- [7]马忠.110k V无人值班变电站蓄电池容量的计算[J].云南水力发电,2011,27(2):97-98,130.Ma Zhong.Calculation of battery capacity of 110k V unmanned substation[J].Yunnan Water Power,2011,27(2):97-98,130(in Chinese).
- [8]夏红光.110k V综合自动化变电站蓄电池容量的计算[J].继电器,2004,32(18):64-66.Xia Hongguang.Capacity calculation of storage battery in 110k V integrated automation substation[J].Relay,2004,32(18):64-66(in Chinese).
- [9]李莉美,孟庆天.变电站蓄电池设备的选择及参数计算[J].内蒙古电力技术,2013,31(3):71-73,78.Li Limei,Meng Qingtian.Parameters calculation and type choice of battery device in transformer substation[J].Inner Mongolia Electric Power,2013,31(3):71-73,78(in Chinese).
- [10]杨仕琼.变电所直流系统设计的关键因素[C]//2011年云南电力技术论坛论文集.云南:云南省电机工程学会,2011:181-183.
- [11]田羽,何冲,范春菊.变电站蓄电池容量计算和算法改进[J].电力系统保护与控制,2010,38(22):210-213.Tian Yu,He Zhong,Fan Chunju.Storage battery capacity calculation and algorithm improvement[J].Power System Protection and Control,2010,38(22):210-213(in Chinese).
- [12]田明杰,吴俊勇,郝亮亮,等.基于多端口DC/DC变换器的混合储能系统自适应能量控制策略[J].电网技术,2015,39(12):3378-3385.Tian Mingjie,Wu Junyong,Hao Liangliang,et al.Adaptive energy control strategy for hybrid energy storage system based on multiple DC/DC converters[J].Power System Technology,2015,39(12):3378-3385(in Chinese).
- [13]杨素萍,刘中书,赵永亮,等.分散发电中蓄能技术的研究[J].电网技术,2006,30(S):535-539.Yang Suping,Liu Zhongshu,Zhao Yongliang,et al.Quantitative analysis and evaluation of transmission interconnection under regional power market[J].Power System Technology,2006,30(S):535-539(in Chinese).
- [14]李战鹰,贾旭东,陆志刚.大容量电池储能系统实时数字仿真测试技术研究[J].南方电网技术,2011,5(2):5-11.Li Zhanying,Jia Xudong,Lu Zhigang.Study on the RTDS-based testing technology of large scale battery energy storage systems[J].Southern Power System Technology,2011,5(2):5-11(in Chinese).
- [15]王洪,张广辉,梁志强,等.电力直流电源系统的网络化管理及状态检修[J].电网技术,2010,34(2):185-189.Wang Hong,Zhang Guanghui,Liang Zhiqiang,et al.Networking management and condition based maintenance of DC power supply system in substations[J].Power System Technology,2010,34(2):185-189(in Chinese).
- [16]吴云亚,谢少军,阚加荣,等.基于导抗网络的电压型隔离双向DC/DC变换器[J].电网技术,2014,38(2):424-430.Wu Yunya,Xie Shaojun,Kan Jiarong,et al.Voltage-fed isolated bidirectional DC/DC converter based on admittance network[J].Power System Technology,2014,38(2):424-430(in Chinese).
- [17]田明杰,吴俊勇,郝亮亮,等.基于多端口DC_DC变换器的电池储能系统软启动控制策略[J].电网技术,2015,39(9):2465-2471.Tian Mingjie,Wu Junyong,Hao Liangliang,et al.The soft starting control strategy on the multiport DC/DC converter of battery storage system[J].Power System Technology,2015,39(9):2465-2471(in Chinese).
- [18]电力规划设计总院.阀控式密封铅酸蓄电池资料汇编[M].北京:中国电力出版社,2001.