可逆式水泵水轮机内流研究综述

A Review of Internal Fluid of Reversible Pump Turbine Research

可逆式水泵水轮机广泛应用于抽水蓄能电站,其可在发电工况与抽水工况之间安全稳定切换运行,从而使得抽水蓄能电站成为当下清洁能源中提高电网质量的首选,更为新能源的发展保驾护航。本文以国内外学者关于水泵水轮机的研究为主线,具体综述方向包含水泵水轮机内流场演变研究及内流对系统外特性影响研究,从内流求解方法、工况分析、振动及噪声等方面分析了当下研究现状。并基于此探讨在满足工程实况需求与学科发展需要的前提下,给出了可进一步深入研究水泵水轮机内流的部分参考方向,以期为可逆式水泵水轮机的研究提供一定的借鉴。

Reversible pump turbine has been widely used in pumped storage plants(PSPs)all over the world,which can operate under pumping mode and generating mode safely and stably.Consequently,PSPs have become the first choice for improving the quality of power grid for clean energy,which makes a great contribution to the development of renewable energy as well.The main line of this paper is the published research about pump turbine from the relative scholars all over the world.Both the evolution of internal fluid of pump turbine and its influence on the external characteristics of system are considered.The current research status is analyzed from the following aspects.The calculation methods to internal fluid,the analysis of different unit operation conditions,the characteristics of structure vibration,the flow-induced noise and so on.According to the engineering requirements in field and the subject development,some reference directions of pump turbine are discussed which need further in-depth study.This work provides a reference for the future research of reversible pump turbine.