A coordinated optimization framework for flexible operation of pumped storage hydropower system: Nonlinear modeling, strategy optimization and decision making

Zhigao Zhao, Jiandong Yang, Weijia Yang, +2

Energy Conversion and Management

EngineeringWater EnergyEnergy ManagementEnergy OptimizationFlexible Operation +4

Guide-Vane Closing Schemes for Pump-Turbines Based on Transient Characteristics in S-shaped Region

Wei Zeng, Jiandong Yang, Jinhong Hu, +1

Journal of Fluids Engineering

EngineeringLoad RejectionTransient CharacteristicsMechanical EngineeringMechanical Systems +10

Pumped storage system model and experimental investigations on S-induced issues during transients

Wei Zeng, Jiandong Yang, Jinhong Hu

Mechanical Systems and Signal Processing

Storage SystemsEngineeringExperimental InvestigationsS-induced IssuesEnergy Storage +5

Transient Pressure Analysis of a Prototype Pump Turbine: Field Tests and Simulation

Jinhong Hu, Jiandong Yang, Wei Zeng, +1

Journal of Fluids Engineering

Pressure PulsationsElectrical EngineeringField TestsEngineeringWind Power Generation +10

Design techniques for improving energy performance and S-shaped characteristics of a pump-turbine with splitter blades

Jinhong Hu, Zhigao Zhao, Xianghui He, +2

Renewable Energy

EngineeringDesign TechniquesWind Power GenerationEnergy EfficiencyEnergy Conversion +7

Transition of amplitude–frequency characteristic in rotor–stator interaction of a pump-turbine with splitter blades

Jinhong Hu, Jiebin Yang, Xianghui He, +3

Renewable Energy

Rotor–stator InteractionWind Turbine BladesAmplitude–frequency CharacteristicRotor DynamicSplitter Blades +1

Transient analysis of a hydropower plant with a super-long headrace tunnel during load acceptance: Instability mechanism and measurement verification

Jinhong Hu, Jiebin Yang

Energy

EngineeringLoad AcceptanceHydropower PlantCivil EngineeringHydropower +6

Evolution mechanism of unsteady internal flow of an ultra-high head pump-turbine in pump mode

Jinhong Hu, Xianwu Luo, Yongzhi Zhao, +5

Journal of Energy Storage

Unsteady FlowEngineeringFluid MechanicsPump ModeFluid Machinery +6

Pressure fluctuation characteristics of a pump turbine in a draft tube: New insight into water column separation

Xianghui He, Zhigao Zhao, Jinhong Hu, +3

Physics of Fluids

Cavitating FlowVaporization PressureEngineeringHydrodynamic CavitationFluid Mechanics +10

Effect of the Speed Factor on the Amplitude of the Blade Passing Frequency in the Vaneless Space of a Pump Turbine in Turbine Mode

Jinhong Hu, Jiebin Yang, Wei Zeng, +1

Journal of Fluids Engineering

Blade Passing FrequencyEngineeringWind Power GenerationWind Turbine BladesPump Turbine +10