再生可能エネルギー主体の水力・風力・太陽光地域電力系統における揚水発電の多目的最適運用
Multi-objective optimal dispatch of pumped storage in renewable-dominated hydro-wind-PV regional power systems (原題)
Wang Hui, Heng Chen, Haotian Zhang, Zhenbo Niu, Zefeng Li, Muyang Li, Changqing Dong
🤖 gxceed AI 要約
日本語
再生可能エネルギー主体の電力系統を対象に、揚水発電（PSHP）の多目的最適運用フレームワークを構築した研究。水文期間と日射条件別の典型シナリオを設定し、エネルギー供給量・需給マッチング・炭素削減効果を評価。中国西北部の大規模水風光基地のケースでは、揚水導入により日次供給量が13.77〜38.38%増、需給偏差が最大72.26%減、炭素削減効果が5.49〜26.53%向上した。
English
This study develops a multi-objective optimal dispatch framework for pumped storage hydropower (PSHP) in renewable-dominated power systems. Using typical scenarios across hydrological periods and PV conditions, it evaluates energy supply, source-load matching, and carbon-reduction benefit. A Northwest China hydro-wind-PV base case shows PSHP raises daily energy supply by 13.77–38.38%, cuts source-load deviations by up to 72.26%, and improves carbon-reduction benefit by 5.49–26.53%.
Unofficial AI-generated summary based on the public title and abstract. Not an official translation.
📝 gxceed 編集解説 — Why this matters
日本のGX文脈において
日本でも再エネ大量導入に伴う系統安定化と揚水発電の活用が政策課題となっており、需給マッチングや炭素削減効果の定量評価手法は、電力系統計画やGX推進の参考になる。
In the global GX context
As global power systems integrate more variable renewables, this work quantifies how pumped storage can enhance flexibility, source-load matching, and carbon-reduction benefits—directly relevant to grid decarbonization and energy transition planning under frameworks like ISSB and transition finance.
👥 読者別の含意
🔬研究者:再エネ主体系統における揚水発電の多目的最適化と需給マッチング評価の定量的枠組みを提供する。
🏢実務担当者:揚水発電を組み込んだ系統運用が再エネ利用率と炭素削減効果をどう改善するか、投資判断や運用計画の参考になる。
🏛政策担当者:再エネ大量導入下での系統柔軟性確保と揚水発電の役割を、定量的根拠をもって政策設計に反映できる。
📄 Abstract（原文）
With the accelerated global energy transition, the installed capacity of wind and photovoltaic (PV) power continues to increase, making renewable-dominated power systems increasingly prevalent. However, the variability, intermittency, and limited controllability of wind and PV generation pose significant challenges to the secure and stable operation of power systems. Pumped storage hydropower plants are widely regarded as effective flexibility resources, yet their coordinated operation with hydropower, wind, and PV generation has not been sufficiently quantified. Focusing on renewable-dominated power systems, this study develops a multi-objective PSHP dispatch framework under prescribed hydropower, wind power, PV generation, and load profiles. Typical scenarios are constructed for different hydrological periods and PV output conditions to capture long-term hydrological variability and intraday PV output patterns under varying weather conditions. System performance is evaluated in terms of total system energy supply, source-load matching, and equivalent carbon-reduction benefit. Pareto-frontier analysis is used to reveal trade-offs among the competing objectives, and objective-weighting methods are then applied to identify compromise operating strategies. A case study based on a large-scale hydro-wind-PV base in Northwest China demonstrates that the integration of pumped storage hydropower significantly improves overall system performance. Daily system energy supply increases by 13.77%–38.38%, source-load power deviations are reduced by up to 72.26%, and equivalent carbon-reduction benefit improves by 5.49%–26.53%. These results indicate that pumped storage hydropower provides effective regulation capability and offers a practical reference for optimizing the coordinated operation of hydropower, wind power, and PV generation in renewable-dominated power systems.
🔗 Provenance — このレコードを発見したソース
- primary_source https://doi.org/10.1016/j.est.2026.125057first seen 2026-10-11 23:54:00
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