影响用户侧分布式发电经济性因素分析  

Analysis of factors influencing economy of customer-side distributed generation

作　　者：胡骅[1] 徐冲[1] 吴汕[2] 计建仁[2] 

机构地区：[1]浙江大学电气工程学院,浙江杭州310027 [2]杭州市电力局,浙江杭州310009

出　　处：《电力自动化设备》2008年第5期29-33,共5页Electric Power Automation Equipment

基　　金：浙江省科技攻关计划资助项目(021102113)~~

摘　　要：应用财务分析方法研究了分布式发电用户侧应用经济性的相关因素,并结合分布式发电用户侧应用对电网侧的价值分析,可知当前条件下分布式发电的成本电价偏高,运行率高的分布式发电应采用热电联产等形式以提高效率。售电电价模式对用户侧分布式发电经济性的影响较大,对于运行率高的分布式发电,售电电价宜单独采用电量电价的模式;而对于运行率低的分布式发电,售电电价宜采用电量电价加容量电价的模式,电网侧可通过适当的容量电价引导用户在峰荷时开机削峰。电网规划时应综合考虑分布式发电的因素以发挥其降低网损及延缓输配电投资的作用。The factors which influence the economy of customer-side DG（Distributed Generation） are discussed based on financial analysis. Combined with its value analysis to generation side,it is pointed out that the cost of DG is higher under present conditions. CHP（Compound Heat and Power） or CCHP（Compound Cold,Heat and Power） mode is proposed to increase the efficiency of DG. Because utility rate affects the economy of customer-side DG greatly,it is proposed to apply the energy charge mode for base load and the energy charge plus demand charge for peak load. During grid planning,better deployment of DG may decrease net loss and defer the T ＆ D investments.

关 键 词：分布式发电 财务分析 电价 热电联产 削峰 投资延缓 

分 类 号：TM73[电气工程—电力系统及自动化] F403.7[经济管理—产业经济]