全部文献期刊学位论文会议报纸专利标准年鉴图书|学者科研项目
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作者:Wencheng Guo , Weijia Yang
来源:[J].Energies(IF 1.844), 2016, Vol.9 (2)DOAJ
摘要:Hydroelectric power plants’ open-type surge tanks may be built in mountains subject to the provision of atmospheric air. Hence, a ventilation tunnel is indispensable. The air flow in the ventilation tunnel is associated with the fluctuation of water-level in the surge tank. ...
作者:... Mingjiang Wang , Chao Wang , Wencheng Guo
来源:[J].Energies(IF 1.844), 2015, Vol.8 (10), pp.11702-11717DOAJ
摘要:On the basis of the state–space method (SSM), a novel linear mathematical model of the unsteady flow for the tailrace system with an open channel is proposed. This novel model is an elastic linearized model of water hammer. The validity of the model has been verified by seve...
作者:Wencheng Guo , Wei Zeng ...
来源:[J].Energies(IF 1.844), 2015, Vol.8 (9), pp.10260-10275DOAJ
摘要:This paper presents a mathematical model of hydro power units, especially the governor system model for different operating conditions, based on the basic version of the software TOPSYS. The mathematical model consists of eight turbine equations, one generator equation, and one g...
作者:Daoyi Zhu , Wencheng Guo
来源:[J].International Journal of Electrical Power and Energy Systems(IF 3.432), 2019, Vol.113, pp.372-382Elsevier
摘要:Abstract(#br)In order to provide a basis for the setting of surge tank to achieve the safe and stable operation of hydropower station, this paper studies the setting condition of surge tank (SCST) based on stability of hydro-turbine governing system (HTGS) considering nonlinear p...
作者:Wencheng Guo , Jiandong Yang ...
来源:[J].International Journal of Electrical Power and Energy Systems(IF 3.432), 2015, Vol.73, pp.528-538Elsevier
摘要:Abstract(#br)Aiming at the isolated hydroelectric power plant (HPP) with surge tank, this paper studies the regulation quality for frequency response of turbine regulating system under load disturbance. Firstly, the complete mathematical model of turbine regulating system is esta...
作者:... Jiandong Yang , Wencheng Guo , Per Norrlund
来源:[J].International Journal of Electrical Power and Energy Systems(IF 3.432), 2016, Vol.74, pp.16-24Elsevier
摘要:Abstract(#br)For evaluating the power quality in primary frequency control for hydroelectric generating units, the power response time is an indicator which is of main concern to the power grid. The aim of this paper is to build a suitable model for conducting reliable simulation...
作者:Wencheng Guo , Jiandong Yang ...
来源:[J].Mathematical Problems in Engineering(IF 1.383), 2014, Vol.2014Hindawi
摘要:This paper studies the effect mechanism of water inertia and head loss of penstock on stability and regulation quality of turbine regulating system with surge tank or not and proposes the construction method of equivalent model of regulating system. Firstly, the complete linear m...
作者:Zhiyuan Peng , Wencheng Guo
来源:[J].Renewable Energy(IF 2.989), 2019, Vol.131, pp.318-332Elsevier
摘要:Abstract(#br)This paper aims to study the saturation characteristics for stability of hydro-turbine governing system with surge tank. Firstly, the mathematical model of hydro-turbine governing system under load disturbance is established, and the equivalent independent stability ...

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