Innovative Closure Law for Pump-Turbines and Field Test Verification

Yu Xiaodong; Zhang Jian; Miao Di

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Innovative Closure Law for Pump-Turbines and Field Test Verification

机译：新型水泵水轮机关闭法和现场试验验证

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Based on numerical simulation of hydraulic transients in a pump storage power station (PSP), different closure laws are investigated for use when a high-head pump-turbine load rejection occurs. According to the characteristics of the pump-turbine and main inlet valve (MIV), a novel closure law, combining closure of wicket gates (WG) and MIV, is presented. The proposed closure law can reduce the effects of S-shaped characteristics of a pump-turbine, and the maximum pressure in the spiral case, the maximum rotating speed of the runner, and the minimum pressure in the draft tube during the transient process can be mitigated. A simultaneous load rejection test on a double unit is conducted, and the numerical predictions agree well with the field test data. (C) 2014 American Society of Civil Engineers.

机译：基于泵蓄能电站（PSP）中水力瞬变的数值模拟，研究了发生高扬程水泵水轮机甩负荷时使用的不同关闭规律。根据水泵水轮机和主进水阀（MIV）的特点，提出了一种新颖的关闭规律，结合了闸门（WG）和MIV的关闭。拟议的封闭规律可以减少水泵水轮机的S形特性的影响，在过渡过程中，螺旋壳体的最大压力，流道的最大旋转速度和引流管的最小压力可以达到缓解。在双单元上同时进行了甩负荷测试，数值预测与现场测试数据非常吻合。（C）2014年美国土木工程师学会。

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来源
《Journal of Hydraulic Engineering》 |2015年第3期|05014010.1-05014010.9|共9页
作者
Yu Xiaodong; Zhang Jian; Miao Di;
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作者单位

Hohai Univ, Coll Water Conservancy & Hydropower Engn, Nanjing 210098, Jiangsu, Peoples R China;

Xinjiang Agr Univ, Coll Water Conservancy & Civil Engn, Urumqi 830052, Peoples R China;

Hohai Univ, Coll Water Conservancy & Hydropower Engn, Nanjing 210098, Jiangsu, Peoples R China;

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收录信息美国《科学引文索引》(SCI);美国《工程索引》(EI);
原文格式 PDF
正文语种 eng
中图分类
关键词
Hydraulic transients; Pump-turbine; Closure law; Numerical models; Field test;

机译：水力瞬态;水泵水轮机;封闭规律;数值模型;现场测试;

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Innovative Closure Law for Pump-Turbines and Field Test Verification

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