黑启动负荷恢复对电压影响的理论及实例分析_图文

1、 研制与开发 施建华 ,等 节能发电调度发电计划编制算法 动化 ,2008 ,32 (3 . FU Shuti , WAN G Haining. On coordination of energy saving and reduction of pollution policy wit h elect ricit y market reform in China. Auto mation of Elect ric Power Systems , 2008 , 32 (3 . 3 王超 ,张晓明 ,唐茂林 ,等 . 四川电网节能减排发电实时调度优化 emission2reduction gene

2、ration in Sichuan Grid. Auto mation of Elect ric Power Systems , 2008 , 32 (4 . 模型 . 电力系统自动化 ,2008 ,32 (4 . WAN G Chao , ZHAN G Xiaoming , TAN G Maolin , et al . Real2 time dispatching optimization model for energy2saving and ,男 ,通信作者 ,硕士 ,工程师 ,主要研究 施建华 ( 1976 方向 : 电力信息系统 。E2mail : shijianhua nari2c

3、hina. co m ,女 ,硕士 ,工程师 ,主要研究方向 : 电力 谭素梅 (1980 信息系统 。 Algorithm of Energy Saving Generation Dispatch Schedul ing S H I J i anhua , TA N S umei (State Grid Elect ric Power Research Institute , Nanjing 210003 , China Abstract : One of t he impo rtant issues of generating schedule is how to implement t

4、he sorted table of generating unit s. An algorit hm fo r dispatch schedule is p ropo sed. The algo rit hm is implemented by following step s : Firstly , according to t he load fo recast over t he whole and region power grid , associated wit h t he so rted table of t he energy saving generatio n , t

5、he operating mode is determined ; and t hen t he equal incremental p rinciple is employed to deal wit h economic dispatch p ro blem. By int roducing t he utilization coefficient s of generating unit s , outp ut s of generating unit s , which meet t he demands of load level , system security , and op

6、erating co nst raint s , are obtained. The p ropo sed algorit hm is validated on Jiangsu power grid. In t his system , a majority of generating unit s are t hermal unit s. The result s of case st udy show t hat t he algo rit hm is reaso nable. Key words : energy saving generatio n ; daily generation

7、 scheduling ; unit commitment ( 上接第 15 页 co ntinued f ro m page 15 8 陶玉华 ,杨增辉 ,祝瑞金 ,等 . 黑启动时大功率电动机启动对系统 11 夏道止 . 电力系统分析 ( 下 . 北京 : 中国电力出版社 ,1995. 12 何仰赞 ,温增银 ,汪馥英 , 等 . 电力系统分析 ( 上 . 武汉 : 华中理 影响的研究 . 华东电力 ,2007 ,35 (5 :48250. TAO Yuhua , YAN G Zenghui , ZHU Ruijin , et al . Influence of start2up of l

8、arge power motors on systems in time of black start s. East China Elect ric Power , 2007 , 35 (5 : 48250. 9 杨艳 ,赵书强 ,顾雪平 ,等 . 黑启动方案中启动厂用负荷时电压与 工大学出版社 ,1996. 频率的仿真校验 . 继电器 ,2004 ,32 (8 :22225 ,51. YAN G Yan , ZHAO Shuqiang , GU Xueping , et al . Simulation and check of voltage and f requency during s

9、tarting station service power in black2start scheme. Relay , 2004 , 32 ( 8 : 222 25 , 51. 10 高景德 ,张麟征 . 电机过渡过程的基本理论及分析方法 ( 上 . 北 , 男 , 通信作者 , 博士研究生 , 高级工程 杨 可 ( 1972 师 ,调度处长 , 主要研究方向 : 电力系统运行和电网稳定 。 E2mail : yangke sepc. co m. cn ,男 ,博士生导师 ,教授 ,主要研究方向 : 刘俊勇 (1963 电力系统稳定 、 电力市场 、 灵活交流输电等 。 , 男 , 博士研究

10、生 , 主要研究方向 : 电力 贺星棋 (1978 系统稳定及运行 。 京 : 科学出版社 ,1982. Fundamental Research and Case Studies of Impacts on Voltage When Resuming Load Through a Black Startup Process YA N G Ke1 ,2 , L I U J uny on g 2 , H E X i n gqi 2 , L I U B aisi 1 ( 1. Sichuan Elect ric Power Dispatching Cent re , Chengdu 610041

11、, China ; 2. Sichuan U niversity , Chengdu 610065 , China Abstract : Black start up wit h large amo unt of load has eno rmous impact on system voltage. An app roach based on superpo sitio n is used to deco mpo se sudden t hree2p hase symmet rical load resumptio n in black start up into two simpler i

12、ndependent p ro blems. Synchrono us generator model including damping winding is t hen used to derive t he relatio nship between voltage magnit ude and machine , circuit parameters , and load types. After f urt her analyzing t he relationship derived , a general load resumptio n p rinciple is p ropo sed. It increases t he power facto r and compo site impedance of t he load in a certain range. Sim