广东电力
廣東電力
엄동전력
GUANGDONG ELECTRIC POWER
2014年
6期
31-37
,共7页
集中-分散控制策略%分布式电源%无功电压控制
集中-分散控製策略%分佈式電源%無功電壓控製
집중-분산공제책략%분포식전원%무공전압공제
concentration-dispersion strategy%distributed power source%reactive voltage control
针对电力系统无功电压控制的集中-分散策略，基于随机规划理论对电力系统无功电压控制进行数学建模，采用随机模拟技术对该数学模型进行求解，得到基于风速分布函数的无功电压最优控制策略的期望值；基于闭环状态反馈控制策略对配电网分布式电源的随机扰动进行误差分析和校正，提出固定步长和变步长调整策略，并在此基础上进行集中控制随机规划和地区闭环控制算例优化分析。优化结果表明：电压偏移量均为零，均满足优化要求，使得电力系统始终运行在一个最优的运行状态。
針對電力繫統無功電壓控製的集中-分散策略，基于隨機規劃理論對電力繫統無功電壓控製進行數學建模，採用隨機模擬技術對該數學模型進行求解，得到基于風速分佈函數的無功電壓最優控製策略的期望值；基于閉環狀態反饋控製策略對配電網分佈式電源的隨機擾動進行誤差分析和校正，提齣固定步長和變步長調整策略，併在此基礎上進行集中控製隨機規劃和地區閉環控製算例優化分析。優化結果錶明：電壓偏移量均為零，均滿足優化要求，使得電力繫統始終運行在一箇最優的運行狀態。
침대전력계통무공전압공제적집중-분산책략，기우수궤규화이론대전력계통무공전압공제진행수학건모，채용수궤모의기술대해수학모형진행구해，득도기우풍속분포함수적무공전압최우공제책략적기망치；기우폐배상태반궤공제책략대배전망분포식전원적수궤우동진행오차분석화교정，제출고정보장화변보장조정책략，병재차기출상진행집중공제수궤규화화지구폐배공제산례우화분석。우화결과표명：전압편이량균위령，균만족우화요구，사득전력계통시종운행재일개최우적운행상태。
Aiming at concentration-dispersion strategy for power system reactive voltage control and on the basis of random planning theory,this paper discusses mathematical modeling for power system reactive voltage control.By using random sim-ulating technology,it solves this mathematical model and gets expected value of optimal control strategy for reactive voltage based on wind speed distribution function.It also conducts error analysis and rectification on random disturbance of distribu-ted power source of distribution network on account of close-loop state feedback control strategy.Meanwhile,it proposes fixed step and variable step size adjustment strategies and conducts optimization analysis on random planning for concentra-tion control and regional close-loop control example.The optimization result indicates that voltage offset is zero and meeting optimizing requirement which is able to ensure optimal running state of the power system.
