For the sake of improving the governing control performances, the lumped-parameter equivalent circuit model is first introduced for precise modelling of hydraulic-mechanical characteristics of PSU.
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7.3.1 Pumped Hydro A pumped hydro energy storage system consists of two interconnected water reservoirs located at different heights such as a mountain lake and a valley lake. Penstocks connect
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The variable-speed pumped-storage (VSPS) unit employing doubly-fed induction machine (DFIM) is a new type of pumped-storage unit with the advantages of large capacity (up to 400MW[6]), fast
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With an increase of renewable energy permeability in power grids, doubly-fed pumped storage units with excellent regulation performance have become a popular research topic. Current
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In order to cope with the large-scale integration and intermittency of renewable energy and improve the ability of pumped storage units to participate
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Design a parameter approximation method based on the F-test, through which we can reduce the PSGS model order. Propose a hierarchical control strategy with improved predictive
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The stochastic nature of renewables demands energy storage systems (ESS) to maintain the stability of the grid. Among various ESS, pumped hydro storage (PHS) is a technically matured
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The pumped hydro energy storage (PHES) is a well-established and commercially-acceptable technology for utility-scale electricity storage and has been
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In view of the randomness and uncertainty of renewable energy output in the new energy power system, and to better play the advantages of the new variable-speed pumped storage units in peak shifting,
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A predictive governing control method of the pumped-storage unit based on lumped-parameter model equivalence, Zheng, Yang, Chen, Qijuan, Liu, Wanying, Yan, Donglin
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In this paper, the control strategies and their characteristics when applied to the doubly-fed variable-speed pumped storage unit in generating mode and pump mode are discussed.
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This work focuses on the converter control links of variable speed pumped storage unit, proposed the principle of dynamic correction for AC excitation system of variable speed pumped storage unit,
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The major parameters of pumped hydro storage station and storage units are presented in Tables 1 and 2. The test system also includes 26 thermal units and 6 hydro-power units, whose parameters can
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Water is pumped through the conductor from the lower to the upper reservoir, typically when demand, and therefore electricity prices, are low. When demand and consequently electricity prices are high,
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Abstract: The doubly-fed variable speed pumped storage unit is a storage system suitable for joint operation with renewable energy sources to smooth the imbalance between renewable energy supply
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Pumped storage power station not only provides a solution for storing electric energy and generating excess, but also is a clean, efficient, economical and safe power system regulation method...
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Executive Summary While the concept of pumped storage hydropower (PSH) is not new, adjustable-speed pumped storage hydropower (AS-PSH) is equipped with power electronics; thus, it has more
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In order to evaluate the influence of variable-speed pumped storage units on the security and stability characteristics of power grid, it is necessary to establish an appropriate simulation model.
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This paper presents a parameters-setting method for the synchronization of pumped-storage units under the pumping condition. The synchronizing process of the units is analyzed and the synchronizing
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Pumped storage units in the power grid to assume the peak regulation, fill the valley, frequency regulation, phase adjustment, accident backup and storage of flood
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Table 1 shows a summary of the operating parameters and values used for the design and simulation of the hydroelectric pumped storage plant.
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This paper studies the optimal dynamic operation of pumped storage power plants with variable and fixed speed generators. A control strategy for the d
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Therefore, in this study, an improved artificial hummingbird algorithm (IAHA) is proposed for the parameter identification of the governing system in a pumped storage unit. The algorithm
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With batter flexibility in new energy consumption and adaptation to new power systems, variable-speed pumped storage units, in which the corresponding control strategies and experiments
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Abstract: Parameter identification is an important method to establish the governing system of a pumped storage unit. Appropriate parameters will make the governing system obtain better control
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This study conducts an analysis of the operational characteristics of fixed-speed and variable-speed pumped storage units and establishes a joint scheduling model for pumped storage units and other
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One of the potential solutions to these drawbacks is the integration of energy storage systems in the power grid. Pumped hydro storage (PHS) is the largest and most mature technology
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Pumped Storage Technical Guidance This document provides criteria for Pumped Storage Hydro-Electric project owners to assess their facilities and programs against. This document specifically
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Simplified inverse-time protection method for vibration of pumped-storage unit was proposed, and research showed that the inverse-time vibration protection threshold should be set according to
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Considering the frequent operating condition transitions and the complicated nonlinear dynamic characteristics of the pumped storage units, the
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Download Citation | On May 27, 2022, Yian Yan and others published Research on Control Parameter Setting Method of AC Excitation System of Variable Speed Pumped Storage Unit | Find, read and cite
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