广东电力
廣東電力
엄동전력
GUANGDONG ELECTRIC POWER
2014年
3期
23-27
,共5页
单阀%顺序阀%负荷波动%功率回路阀门流量
單閥%順序閥%負荷波動%功率迴路閥門流量
단벌%순서벌%부하파동%공솔회로벌문류량
single valve and sequence valve%load fluctuation%valve flow of power circuit
针对某电厂汽轮机在功率回路下进行单阀、顺序阀切换过程中遇到负荷及机组主要参数大幅波动而造成整个电网频率出现波动的事件,从逻辑结构、算法参数、阀门流量特性、功率回路结构等几方面分析与验证,对汽轮机调门流量特性进行优化,顺利完成机组单阀、顺序阀平稳切换,实现机组在多种控制方式下的安全经济运行,大大提高了电厂机组的经济性和快速性。
針對某電廠汽輪機在功率迴路下進行單閥、順序閥切換過程中遇到負荷及機組主要參數大幅波動而造成整箇電網頻率齣現波動的事件,從邏輯結構、算法參數、閥門流量特性、功率迴路結構等幾方麵分析與驗證,對汽輪機調門流量特性進行優化,順利完成機組單閥、順序閥平穩切換,實現機組在多種控製方式下的安全經濟運行,大大提高瞭電廠機組的經濟性和快速性。
침대모전엄기륜궤재공솔회로하진행단벌、순서벌절환과정중우도부하급궤조주요삼수대폭파동이조성정개전망빈솔출현파동적사건,종라집결구、산법삼수、벌문류량특성、공솔회로결구등궤방면분석여험증,대기륜궤조문류량특성진행우화,순리완성궤조단벌、순서벌평은절환,실현궤조재다충공제방식하적안전경제운행,대대제고료전엄궤조적경제성화쾌속성。
Aiming at problem of power grid frequency fluctuation caused by substantial fluctuation of load and main parame-ters of the unit in progress of single valve and sequence valve switch with power circuit of the steam turbine in some power plant,this paper analyzes and verifies logic structure,algorithm parameters,valve flow characteristics and power circuit structure.Meanwhile,it proceeds optimization for valve flow characteristics of the steam turbine and finishes smooth switch of single valve and sequence valve.In addition,it realizes safe and economic operation of the unit with various control ways and greatly improve economy and rapidity of the unit.