xx电站工程施工图设计水力过渡过程大波动计算调保计算报告(交业主)

Р18.87Р40.29Р49.53Р71.71Р40.4Р53.2Р-5.831Р502.97Р/501.00Р518.11Р/486.33Р4Р7Р507.06Р451.15Р55.91Р额定水头Р2×20MW→0Р20.60Р40.29Р54.04Р77.73Р42.2Р55.0Р-5.3Р508.03Р/506.0Р523.85Р/490.59Р5Р Р表2 主压力引水管直径5.0m各种工况及计算结果表Р工况序号Р直线关闭时间РTs(s)Р上游水位Р(m)Р下游水位Р(m)Р静水头Р(m)Р工况描述Р初始工况Р计算结果РN(MW)Р流量Р(m3/s)Р水头Р(m)Р蜗壳进口压力(m)Р最大转速升高Р(%)Р最低尾水管压力(m)Р结点1水位(高/低)Р结点3水位(高/低)Р对应图号Р最大水头值(m)Р最大压力升高Р(%)Р1Р8Р516Р451.15Р64.85Р上游正常高水位Р2×20MW→0Р20.60Р35.23Р63.09Р88.70Р45.9Р50.0Р-4.19Р516.95Р/515.02Р535.02Р/497.13Р2Р8Р518.32Р461.64Р56.68Р上、下游校核水位Р2×20MW→0Р20.60Р40.03Р54.41Р89.2Р42.5Р58.4Р5.29Р519.21Р/517.42Р535.94Р/500.84Р3Р8Р502.0Р450.6Р51.4Р上游死水位Р2×20MW→0Р18.61Р40.1Р49.12Р71.77Р40.5Р56.4Р-5.75Р502.86Р/500.98Р518.76Р/485.41Р4Р8Р507.5Р451.15Р56.35Р额定水头Р2×20MW→0Р20.6Р40.29Р54.05Р78.30Р42.24Р58.9Р-5.28Р508.41Р/506.43Р525.06Р/490.09Р5