CAJ | 학술논문

对具有超长引水系统引起的机组负荷调节过程缓慢等相关问题进行了研究和探讨。首先针对该类机组，通过引入固定水头到流量反馈值、重采样、增强压力迭代环收敛性等技术，建立其非线性模型；再以模型为基础，通过不同机组间负荷的相互配合关系和利用调压井水位波动周期，提出在机组增减负荷时错开一定时间，使增减负荷引起的水位波动正负相消，从而达到控制调压井水位的目的。在此基础上给出新的增减负荷方案，并与原有方案进行对比，说明新方案更加合理。
대구유초장인수계통인기적궤조부하조절과정완만등상관문제진행료연구화탐토。수선침대해류궤조，통과인입고정수두도류량반궤치、중채양、증강압력질대배수렴성등기술，건립기비선성모형；재이모형위기출，통과불동궤조간부하적상호배합관계화이용조압정수위파동주기，제출재궤조증감부하시착개일정시간，사증감부하인기적수위파동정부상소，종이체도공제조압정수위적목적。재차기출상급출신적증감부하방안，병여원유방안진행대비，설명신방안경가합리。
This paper studies and discusses problem of slow load regulating progress of the unit caused by overlong headrace system. Firstly,aiming at this type unit,by using technologies of introducing fixed waterhead into flow feedback value,re-sampling and increasing pressure iteration ring convergence,nonlinear model was established. Secondly,on the basis of the model,according to interaction of loads among different units and using period of fluctuations of surge tank water level,a scheme for controlling water level of surge tank was proposed which was to staggering time when the unit increasing and de-creasing load in order to realize offset of water level fluctuation caused by increase and decrease of load. On account of the above measures,a new scheme for increasing and decreasing load was provided and compared with original scheme. The new scheme was proved to be more reasonable.