نتایج جستجو برای: pumped storage

تعداد نتایج: 190858  

Journal: :IEEE Transactions on Power Systems 2022

Pumped storage hydro units (PSHU) can provide flexibility to power systems. This becomes particularly valuable in recent years with the increasing shares of intermittent renewable resources. However, due emphasis on thermal generation current market practices, from PSHUs has not been fully explored and utilized. paper proposes a configuration based pumped (PSH) model for day-ahead market, order...

Journal: :Energies 2021

The time-range of applicability various energy-storage technologies are limited by self-discharge and other inevitable losses. While batteries hydrogen useful for storage in a time-span ranging from hours to several days or even weeks, seasonal multi-seasonal storage, only some traditional quite costly methods can be used (like pumped-storage plants, Compressed Air Energy Storage energy tower)....

Journal: :Sustainability 2023

Power demand varies on a daily and seasonal basis. Responding to changing demands over time is challenging for energy suppliers as it causes expensive power plants operate in high-demand seasons, usually summer, increasing the cost of electricity. Peak load shaving makes curve flatten by reducing peak shifting times lower demand, hence operation plants. Hence, there need large-scale long-term E...

,

This paper includes modeling and simulation of 180 MW units of pumped storage power plant with Variable speed machines. In this method, voltage source inverters are used instead of traditional cyclo-converters. This paper aims to control the voltage source inverters and maintain DC voltage at a constant value. AC/ DC/ AC converter is used in system configuration structure in order to control an...

Abolfazl Shamsaiii Hassan Ahmadii

The first stage in development and design of Pumped Storage Hydropower Plants (PSHP) is finding the optimum location. This paper presents a methodology for preliminary site selection of PSHP with the help of geospatial data analysis in a Geographic Information System (GIS) environment. The conventional method of PSHP site selection has certain limitations and is not cost and time effective. The...

Given the significant power generation and consumption of variable-speed pumped storage power plants (VSPSPs), it is crucial to enhance drive methods and decrease drive losses, thereby increasing productivity. This paper proposes the topology for VSPSP drivers with two level voltage source converters (2LVSC) with 6+1 converters. Hydraulic and electrical VSPSP models are presented, following whi...

Journal: :Energies 2022

The decarbonisation targets of the People’s Republic China are ambitious. Their achievement relies on large-scale deployment variable renewable energy sources (VRES), such as wind and solar. High penetration VRES may lead to balancing problems grid, which can be compensated by increasing shifting flexibility capacity system integration with storage, e.g., installing additional electricity stora...

Journal: :Frontiers in Earth Science 2022

Open-pit mining is one of the main exploiting methods for solid mineral resources. After more than 100 years high-intensity development, there are a large number abandoned open-pit mines and related relics in world. The reconstruction Pumped Hydraulic Energy Storage systems (PHES) from an effective utilization mode underground space recent years. project planning PHES should consider not only t...

نمودار تعداد نتایج جستجو در هر سال

با کلیک روی نمودار نتایج را به سال انتشار فیلتر کنید