电力系统自动化
電力繫統自動化
전력계통자동화
AUTOMATION OF ELECTRIC POWER SYSTEMS
2015年
13期
16-21
,共6页
王靖然%王玉林%杨志刚%崔慧军%崔正湃%孙荣富
王靖然%王玉林%楊誌剛%崔慧軍%崔正湃%孫榮富
왕정연%왕옥림%양지강%최혜군%최정배%손영부
集群风电%自动发电控制%有功控制策略%嵌套断面%强制触发
集群風電%自動髮電控製%有功控製策略%嵌套斷麵%彊製觸髮
집군풍전%자동발전공제%유공공제책략%감투단면%강제촉발
cluster of wind power%automatic generation control%active power control strategy%nested transmission sections%forced trig
针对大规模风电场群分别接入电网不同断面的特点,提出了嵌套断面约束下风电场群的有功控制策略。根据风电外送断面裕度情况,将断面分为安全、预警和越限三种状态,结合各风电场的出力上调能力并针对外送断面的不同状态采用不同的控制策略计算风电场出力指令,从而在控制断面潮流的基础上最大化利用断面裕度。所提方法同时考虑了多重嵌套断面之间的协调和存在未投入自动发电控制风电场的过渡情况,指令周期内强制触发策略的设计也有效避免了断面越限。冀北电网的运行实践表明了所提控制策略在精确控制断面潮流、提高风电接纳能力方面的有效性。
針對大規模風電場群分彆接入電網不同斷麵的特點,提齣瞭嵌套斷麵約束下風電場群的有功控製策略。根據風電外送斷麵裕度情況,將斷麵分為安全、預警和越限三種狀態,結閤各風電場的齣力上調能力併針對外送斷麵的不同狀態採用不同的控製策略計算風電場齣力指令,從而在控製斷麵潮流的基礎上最大化利用斷麵裕度。所提方法同時攷慮瞭多重嵌套斷麵之間的協調和存在未投入自動髮電控製風電場的過渡情況,指令週期內彊製觸髮策略的設計也有效避免瞭斷麵越限。冀北電網的運行實踐錶明瞭所提控製策略在精確控製斷麵潮流、提高風電接納能力方麵的有效性。
침대대규모풍전장군분별접입전망불동단면적특점,제출료감투단면약속하풍전장군적유공공제책략。근거풍전외송단면유도정황,장단면분위안전、예경화월한삼충상태,결합각풍전장적출력상조능력병침대외송단면적불동상태채용불동적공제책략계산풍전장출력지령,종이재공제단면조류적기출상최대화이용단면유도。소제방법동시고필료다중감투단면지간적협조화존재미투입자동발전공제풍전장적과도정황,지령주기내강제촉발책략적설계야유효피면료단면월한。기북전망적운행실천표명료소제공제책략재정학공제단면조류、제고풍전접납능력방면적유효성。
In view of the characteristics of large-scale wind farm groups connected into different sections of a grid,an active power control strategy for clusters of wind farms is proposed with the constraints on nested transmission sections taken into account.According to the power delivery section margin,three states are defined for each transmission section,known as security,warning and overloading.Based on the section state and the capacity of increasing power output of wind farms,the active power instructions are calculated by different methods in order to prevent transmission overloading and maximize the use of transmission margin.The coordination among multiple nested sections and the situation with non-controlled wind farms are also considered,and the strategy for forced calculation of instructions is also designed to avoid transmission overloading. Results of applying the proposed strategy to the actual operation in Jibei power grid have proved its validity of controlling the transmission power flow and improving the acceptance of wind power. This work is supported by National High Technology Research and Development Program of China (863 Program) (No.2011AA05A101).