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Linear Active Disturbance Rejection Control for Flexible Excitation System of Pumped Storage Units
EnergiesThe role of pumped storage in global energy structure transformation is becoming increasingly prominent. This article introduces a flexible excitation system based on fully controlled device converters into pumped storage units (PSUs). It can address the
Bo Zhao +6 more
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Recovery of Water and Salt from Hyper-Saline Mine Water using Freeze Crystallization [PDF]
, 2019 The Freezerbacks researched, designed, and economically evaluated a full-scale freeze crystallization process as well as two alternative full-scale processes: 5 stage multiple effect evaporation and reverse osmosis.
Casey, Gabrielle
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Fiber laser systems shine brightly
, 1997 Describes the advancements in active fiber laser systems. Outline of cladding pumping technique for enhanced power scaling; Improved energies and peak powers; Extended wavelength range; Frequency doubling with fiber ...
Hanna, D.C. +2 more
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EnergiesThe internal flow of a pump turbine is unstable in part-load pump mode for small guide-vane openings, and the strong vibration caused by pressure pulsation is related to the safe and stable operation of the unit.
Wei Xiao +5 more
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Degradation Tendency Prediction for Pumped Storage Unit Based on Integrated Degradation Index Construction and Hybrid CNN-LSTM Model. [PDF]
Sensors (Basel), 2020 Zhou J, Shan Y, Liu J, Xu Y, Zheng Y.
europepmc +1 more source
EFFECTIVE SEDIMENT CONTROL IN A RESERVOIR [PDF]
, 2014 Sedimentation in a reservoir cannot be avoided. The average rate of sedimentation on the storage volume reduction of a reservoir in the world is about 1 % per year (Yoon,1992), meanwhile, the storage volume reduction in several reservoir in Indonesia ...
Djoko , Legono +3 more
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Ground-water resources of the lower Hillsboro Canal area, Southeastern Florida [PDF]
, 1970 This study was done to determine the amount and kinds of water being produced from the lower Hillsboro Canal Area in Palm Beach and Broward counties. All of the potable ground water being produced from the Biscayne aquifer is developed from the canal
Hardee, Jack, McCoy, Henry J.
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Shanghai Jiaotong Daxue xuebaoIn the context of large-scale energy storage stations, such as pumped storage, participating in both spot trading and grid scheduling, it is difficult for the grid to directly access the consumption of renewable energy in the spot market. In this regard,
LOU Wei, HU Rong, YU Jinming, ZHANG Xipeng, FAN Feilong, LIU Songyuan
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Environmental calibration chamber operations [PDF]
Thermal vacuum capabilities are provided for the development, calibration, and functional operation checks of flight sensors, sources, and laboratory and field instruments. Two systems are available.
Lester, D. L.
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A simulation model for wind energy storage systems. Volume 1: Technical report [PDF]
A comprehensive computer program for the modeling of wind energy and storage systems utilizing any combination of five types of storage (pumped hydro, battery, thermal, flywheel and pneumatic) was developed.
Chan, Y. K. +2 more
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