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Diyi Chen

Northwest Agricultural and Forestry University - Institute of Water Resources and Hydropower Research

Shaanxi Yangling

China

  • Northwest Agricultural and Forestry University - Institute of Water Resources and Hydropower Research

SCHOLARLY PAPERS

11

DOWNLOADS

452

TOTAL CITATIONS

6

Scholarly Papers (11)

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1.

Stability and Efficiency Performance of Pumped Hydro Energy Storage System for Higher Flexibility

Number of pages: 19 Posted: 07 Sep 2021
Ziwen Zhao, Yichen Yuan, Jianan Wang, Mònica Egusquiza, Eduard Egusquiza, Beibei Xu and Diyi Chen
Northwest Agricultural and Forestry University, Northwest Agricultural and Forestry University, Northwest Agricultural and Forestry University, Polytechnic University of Catalonia (UPC), Polytechnic University of Catalonia (UPC), Northwest Agricultural and Forestry University - Institute of Water Resources and Hydropower Research and Northwest Agricultural and Forestry University - Institute of Water Resources and Hydropower Research
Downloads 120 (604,538)
Citation 4

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pumped hydro energy storage system, flexible operation, stability, energy loss, pump turbine

2.

Enhancing The Economic Efficiency Of Cross-Regional Renewable Energy Trading Via Optimizing Pumped Hydro Storage Capacity

Downloads 59 (970,490)
Citation 2

Enhancing The Economic Efficiency Of Cross-Regional Renewable Energy Trading Via Optimizing Pumped Hydro Storage Capacity

Number of pages: 34 Posted: 21 Dec 2023
Xingjin Zhang, Edoardo Patelli, Ye Zhou, Diyi Chen, Chao Ma, Jijian Lian and Beibei Xu
affiliation not provided to SSRN, University of Strathclyde, affiliation not provided to SSRN, Northwest Agricultural and Forestry University - Institute of Water Resources and Hydropower Research, Tianjin University, Tianjin University and Northwest Agricultural and Forestry University - Institute of Water Resources and Hydropower Research
Downloads 34 (1,296,409)

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Cross-regional renewable energy trading, Pumped hydro storage, Power delivery models, Capacity configuration, Economic efficiency

Enhancing The Economic Efficiency Of Cross-Regional Renewable Energy Trading Via Optimizing Pumped Hydro Storage Capacity

Number of pages: 34 Posted: 27 Jun 2024
Xingjin Zhang, Edoardo Patelli, Ye Zhou, Diyi Chen, Jijian Lian and Beibei Xu
affiliation not provided to SSRN, University of Strathclyde, affiliation not provided to SSRN, Northwest Agricultural and Forestry University - Institute of Water Resources and Hydropower Research, Tianjin University and Northwest Agricultural and Forestry University - Institute of Water Resources and Hydropower Research
Downloads 25 (1,430,393)
Citation 2

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Cross-regional renewable energy trading, Pumped hydro storage, Power delivery models, capacity configuration, Economic efficiency

3.

Physical Model Test and Parametric Optimization of a Hydroelectric Generating System with a Coaxial Shaft Surge Tank

Number of pages: 32 Posted: 21 Jun 2022
Xinyao Lan, Mònica Egusquiza, Beibei Xu, Jin-Hyuk Kim, Jiahui Jin, Diyi Chen, Eduard Egusquiza, Nejadali Jafar, Lin Xu and Yuan Kuang
Northwest Agricultural and Forestry University - Institute of Water Resources and Hydropower Research, Polytechnic University of Catalonia (UPC), Northwest Agricultural and Forestry University - Institute of Water Resources and Hydropower Research, Korea Institute of Industrial Technology (KITECH) - Carbon Neutral Technology R&D Department, Northwest Agricultural and Forestry University - Institute of Water Resources and Hydropower Research, Northwest Agricultural and Forestry University - Institute of Water Resources and Hydropower Research, Polytechnic University of Catalonia (UPC), University of Mazandaran, Powerchina Guiyang Engineering Corporation Limited and Powerchina Guiyang Engineering Corporation Limited
Downloads 50 (1,063,489)

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Coaxial shaft surge tank, hydroelectric generating system, physical model test, parametric optimization, transient process

4.

Stress Prediction Via Vmd-Gru-Attention for Fatigue Life Estimation in Pelton Turbine Runners

Number of pages: 26 Posted: 09 May 2025
Yuhan Gao, Xinyu Zhong, Xingran Chen, Qingyu Fan, Beibei Xu and Diyi Chen
affiliation not provided to SSRN, affiliation not provided to SSRN, affiliation not provided to SSRN, affiliation not provided to SSRN, Northwest Agricultural and Forestry University - Institute of Water Resources and Hydropower Research and Northwest Agricultural and Forestry University - Institute of Water Resources and Hydropower Research
Downloads 45 (1,145,425)

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Pelton turbine, Gated recurrent unit, Blade cracks, Stress, Fatigue life

5.

Comprehensive Evaluation of the Flexibility of Hydro-Wind-Photovoltaic Power Generation System Based on Hierarchical-Entropy Method

Number of pages: 19 Posted: 28 Jun 2024
Renwei Xue, Pengchong Zhao, Meng Zhang, Yuanqiang Gao, Diyi Chen, Jiameng Zhang and Ziwen Zhao
affiliation not provided to SSRN, affiliation not provided to SSRN, affiliation not provided to SSRN, affiliation not provided to SSRN, Northwest Agricultural and Forestry University - Institute of Water Resources and Hydropower Research, affiliation not provided to SSRN and Northwest Agricultural and Forestry University
Downloads 42 (1,157,785)

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Keywords: Hydro-wind-photovoltaic Power Generation System, Flexible indicator, Hierarchical Entropy, Weighting Method, Comprehensive evaluation.

6.

Optimizing Time-of-Use Arbitrage for Hybrid Pumped Storage Systems: A Real-Time Agent-Parallel Dispatch Anchored by Heuristic Policy

Number of pages: 40 Posted: 18 Nov 2025
Pengfei Wang, Haoming Gu, Jianling Li, Diyi Chen, Diyi Chen, Wei Han and Pan Qiang
Lanzhou University of Technology, Lanzhou University of Technology, Lanzhou University of Technology, affiliation not provided to SSRN, Northwest Agricultural and Forestry University - Institute of Water Resources and Hydropower Research, Lanzhou University of Technology and Lanzhou University of Technology
Downloads 39 (1,209,354)

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Hydro-Wind-Photovoltaic-Pumped Storage, Rule-based heuristic policy, Real-time scheduling, Reservoir-constrained

7.

A Novel Optimization Framework for Multi-Timescale Operations of Pumped Storage Systems: Balancing Stability and Economy

Number of pages: 28 Posted: 27 Jul 2023
Liuwei Lei, Diyi Chen, Hang Wang, Yu Xiao, Ziwen Zhao, Ye Zhou and Md Apel Mahmud
Northwest Agricultural and Forestry University, Northwest Agricultural and Forestry University - Institute of Water Resources and Hydropower Research, Northwest Agricultural and Forestry University, Northwest Agricultural and Forestry University, Northwest Agricultural and Forestry University, affiliation not provided to SSRN and affiliation not provided to SSRN
Downloads 27 (1,359,097)

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Pumped storage hydropower system, power regulation, short-term load dispatch, multi-timescale operating characteristics, optimization framework

8.

A reinforcement learning-driven adaptive control parameters tuning method: Enhancing frequency regulation performance of hydropower units under full operating range

Number of pages: 31 Posted: 19 Mar 2026
Huaming Hu, Kai Lv, Xiaoyan Zhang, Liuwei Lei, Xiankun Zhu, Diyi Chen, Beibei Xu, Ziwen Zhao and Sun Xinkang
Northwest Agricultural and Forestry University, Northwest Agricultural and Forestry University, Northwest Agricultural and Forestry University, Northwest Agricultural and Forestry University, Northwest Agricultural and Forestry University, Northwest Agricultural and Forestry University - Institute of Water Resources and Hydropower Research, Northwest Agricultural and Forestry University - Institute of Water Resources and Hydropower Research, Northwest Agricultural and Forestry University and Northwest Agricultural and Forestry University
Downloads 26 (1,399,036)

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Hydropower frequency regulation, Regulation performance improvement, Adaptive PID tuning, Full operating range, multi-objective optimization

9.

Synergistic Mechanism for Secure-Economic-Frequency Regulation Performance of Hydropower Units: Dynamic Load Dispatch Method with Zonal Constraints

Number of pages: 41 Posted: 01 Apr 2025
Qiurong Li, Ye Zhou, Yongchong Li, Diyi Chen and Beibei Xu
affiliation not provided to SSRN, affiliation not provided to SSRN, affiliation not provided to SSRN, Northwest Agricultural and Forestry University - Institute of Water Resources and Hydropower Research and Northwest Agricultural and Forestry University - Institute of Water Resources and Hydropower Research
Downloads 18 (1,470,786)

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Synergistic Mechanism, Hydropower units, Primary frequency regulation, Zonal Constraints, Load dispatch

10.

Optimal Reservoir-Plan-Driven Short-Term Dispatch of Hybrid Pumped Storage–PV Systems

Number of pages: 26 Posted: 01 Mar 2026
Maosen Zeng, Xingjin Zhang, Liuwei Lei, Md Apel Mahmud, Diyi Chen, Beibei Xu and Tiantian Wang
affiliation not provided to SSRN, affiliation not provided to SSRN, Northwest Agricultural and Forestry University, Flinders University, Northwest Agricultural and Forestry University - Institute of Water Resources and Hydropower Research, Northwest Agricultural and Forestry University - Institute of Water Resources and Hydropower Research and affiliation not provided to SSRN
Downloads 15 (1,509,872)

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Hybrid Pumped Storage, Short-Term Optimal Dispatch, Reservoir Regulation Plan, Hydro-PV Complementary Operation, Cascade Reservoir Operation

11.

Adaptive Coordinated Frequency Regulation Framework and Dynamic Performance Enhancement Mechanisms for Variable-Speed Pumped Storage Units with High-Performance Frequency Support

Number of pages: 45 Posted: 09 Feb 2026
zhang liu, Diyi Chen, Yunpeng Zhang, Tiantian Wang and Ziwen Zhao
Northwest Agricultural and Forestry University, Northwest Agricultural and Forestry University - Institute of Water Resources and Hydropower Research, Northwest Agricultural and Forestry University, affiliation not provided to SSRN and Northwest Agricultural and Forestry University
Downloads 11 (1,541,665)

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Variable-speed unit, virtual synchronous generator, frequency compensation, inertia support, Primary Frequency Regulation, hydro-electro-mechanical coupling