Free Full-Text | A Hybrid Novel Fuzzy MCDM Method for Comprehensive Performance Evaluation of Pumped Storage Power
Considering the goals of carbon peaking and carbon neutrality, along with their related policies, pumped storage power stations are set to develop quickly in China. The comprehensive performance of pumped storage power stations must urgently be evaluated, which can help investors in decision making and provide a reference for
An efficient method pumped-storage planning and evaluation
An efficient method for systematic planning and evaluation of pumped-storage plants is developed,in which a detailed operation simulation using an hourly
(PDF) Calculation of power compensation for a pumped storage
Kong [11] proposed a method to calculate the head loss in a shared tunnel for a PSHP with variable speed pumps but it doubly overestimates the loss, whereas HSC scheme, in fact, reduces the power
Numerical simulation of transient processes for pumped-storage power
The pumped-storage power stations (PSPSs) with variable speed units (VSUs) have been emerging in recent years, and the research on the transient processes of those PSPSs is of great significance. Firstly, combining the calculation method of hydraulic transient processes and the basic equations of pump turbine, doubly-fed
Value Evaluation Method for Pumped Storage in the New Power
This value evaluation method could provide references for pumped storage investment decisions, subsidy policies, and price mechanisms to fully utilize the role of pumped storage power stations and promote high-quality development of new power systems.
[PDF] Equivalent Substitution Based Method for Calculation of Best Installed Capacity of Pumped Storage Power
This paper proposes a novel method to calculate the best installed capacity of pumped storage power station. First, we choose the day with maximum load as the typical day for every month and simulate the system running in two cases of whether the pumped storage power station is put into operation.
Calculation method of external fault short-circuit current for variable-speed pumped storage
The calculation method of the external fault short-circuit current of large units with clear mechanisms and practicality is of great value in engineering pra where p is a differential operator; ψ s and ψ r are the stator and rotor flux space vectors, respectively; u s and u r are the stator and rotor voltage space vectors, respectively; i s and i r are the stator and rotor
Parameter optimization decision framework for transient process of a pumped storage
The construction of Pumped Storage Hydropower Systems (PSHSs) has significance for improving the renewable energy accommodation capacity and meeting the peaking demand for future power systems. During the rapid construction of PSHS, whether the transient process meets the safety requirements is a core issue for decision-makers.
An efficient method pumped-storage planning and evaluation
Thus the optimization problem can be easily solved by a one-dimensional search method. When more than one pumped-storage plant is con- sidered, a conventional method is used as follows: 1. Pumped-storage plants are ordered by decreasing cycle efficiency. 2. When two pumped-storage plants have the same cycle
(PDF) Transient Simulation for a Pumped Storage Power Plant
Fourier transform (FFT) method was used to analyze the pumped storage power. The data of field load rejection pressure of the single unit at the station were pr ocessed, and the time-averaged and
Frontiers | Calculation method of external fault short-circuit
The calculation method of the external fault short-circuit current of large units with clear mechanisms and practicality is of great value in engineering practice. Due to the special AC excitation structure and control mode, the external fault short-circuit characteristics of variable-speed pumped storage units (VSPSUs) are very different from those of
Numerical simulation of transient processes for pumped-storage power
The pumped-storage power stations (PSPSs) with variable speed units (VSUs) have been emerging in recent years, and the research on the transient processes of those PSPSs is of great significance. In this paper, the transient processes of a PSPS with four units, i.e. three fixed speed units (FSUs) and one VSU, sharing one tunnel are
The Benefit Realization Mechanism of Pumped Storage Power
The roles and benefits of pumped storage are reflected in different stakeholders of the power system. The multi-dimensionality and non-linearity of pumped storage multi-stakeholder decision-making make pumped storage benefit realization a hot research topic with challenges. This paper takes pumped storage benefit sharing as the
Research on Utility Calculation Method of Pumped Storage
With the advancement of the "dual carbon" goal, the proportion of renewable energy in the system has increased significantly. The peak-shaving problem brought about by it has become increasingly significant. As an important flexible power resource, a pumped storage power station has good technical characteristics such as fast response speed,
Numerical calculation and experimental verification of subtransient
As the most efficient and economical energy storage method on large scale, the pumped storage power plants still have predictable development in the future [1], [2]. Subtransient reactance X d ″ and transient reactance X d ′ determine the magnitude of short-circuit current and transient behavior when the sudden three-phase short-circuit
SECTION 3: PUMPED-HYDRO ENERGY STORAGE
K. Webb ESE 471 15 A Generalized Power Relation Note that power is given by the product of a driving potential, or effort, 𝑝𝑝, and a flow, 𝑄𝑄 𝑃𝑃= 𝑝𝑝𝑄𝑄 Similar to power for a translational mechanical system 𝑃𝑃= 𝐹𝐹𝐹𝐹 where the effort is force, 𝐹𝐹, and the flow is velocity, 𝐹𝐹
MicroPSCal: A MicroStation package for storage calculation of
A toolkit MicroPSCal is developed based on MicroStation software to simulate and calculate the corresponding storage capacity of different elevations and draw the storage
A Toolbox for generalized pumped storage power station based
There are different methods available for site selection and evaluation of PHES according to different purposes or emphases. For example, Ahmadi et al. [20] proposed a two-stage hybrid model to find the site of a wind power pumped storage hybrid power plant in the southern Shaanxi Province, China. The method combines wind
Research and application of relay protection setting calculation for SFC system of pumped storage power
Operating method of SFC in pumped storage power plants The SFC start-up process in pumped storage synchronous motors main ly has two stages: low-spee d stage (0-5 Hz) and high-speed stage (above 5
Multi-method combination site selection of pumped storage power station considering power structure optimization
Pumped storage power plants (PSPP), as an important clean energy technology, have great potential for energy storage and conditioning. However, site selection is the primary issue in PSPP construction, which directly affects its economics, environmental impact and social acceptability.
A method for analysing and evaluating the comprehensive
This paper presents a method for analysis and evaluation of conversion efficiency of Pumped Storage Power Station based on a large number of daily operation
Comprehensive Evaluation of Pumped Storage Power Plant
Abstract: As a major regulating power source for power systems, pumped storage plays an important role in peak regulation, energy storage and promotion of new energy
Pumped Storage Hydropower | Department of Energy
What is Pumped Storage Hydropower? Pumped storage hydropower (PSH) is a type of hydroelectric energy storage. It is a configuration of two water reservoirs at different elevations that can generate power as water moves down from one to the other (discharge), passing through a turbine. The system also requires power as it pumps water back into
Energy Efficiency Analysis of Pumped Storage Power Stations in
Energy efficiency reflects the energy-saving level of the Pumped Storage Power Station. In this paper, the energy flow of pumped storage power stations is analyzed firstly, and then the energy loss of each link in the energy flow is researched. In addition, a calculation method that can truly reflect the comprehensive efficiency level
Sustainability | Free Full-Text | Cost Diversion Strategies for Pumped-Storage Tariffs for New Power
Li, W.; Yang, H. Analysis of several capacity price calculation methods for pumped storage power stations—Taking Longwozi pumped storage power station in Dayi County Sichuan Province as an example. Sichuan Water Resour. 2022, 4,
Hydraulic transient calculation by wave tracking method for pumped storage power
Hydraulic transient calculations are a key issue related to the operational safety of pumped storage power plants. Based on the new calculation method, wave tracking method, this paper establishes a calculation model for the hydraulic transient of pumped storage power plant, verifies the accuracy of the calculation model through hydraulic model
Multi-attribute decision-making method of pumped storage
Comparison among different weight calculation methods. Download : Download high-res image (780KB) Download : Download full-size image; Fig. 6. Normalized results of indicators for all schemes. Capacity Optimization Method of Pumped Storage Power Station, Involves Generating Benefit Target Function of Pumped Storage Power
A review of pumped hydro energy storage
The need for storage in electricity systems is increasing because large amounts of variable solar and wind generation capacity are being deployed. About two thirds of net global annual power capacity additions are solar and wind. Pumped hydro energy storage (PHES) comprises about 96% of global storage power capacity and 99% of
Numerical simulation of transient processes for pumped-storage
The pumped-storage power stations (PSPSs) with variable speed units (VSUs) have been emerging in recent years, and the research on the transient
Pumped Storage Hydropower Valuation Guidebook – A Cost
March 2021. While there is a general understanding that pumped storage hydropower (PSH) is a valuable energy storage resource that provides many services and benefits for the operation of power systems, determining the value of PSH plants and their various services and contributions has been a challenge.
MicroPSCal: A MicroStation package for storage calculation of pumped storage power
Pumped storage power plants can effectively guarantee the healthy development of energy and promote energy transformation and green development. The calculation accuracy is directly related to the flood control safety of the reservoir. The current storage calculation method of storage capacity is inefficient and complicated resulting in deviations
MicroPSCal: A MicroStation package for storage calculation of
A toolkit MicroPSCal is developed based on MicroStation software to simulate and calculate the corresponding storage capacity of different elevations and
2021 International Conference on Energy Engineering and Power
4. Example analysis. According to the calculation of a city power grid, its units include: 6 coal-fired thermal power units with an installed capacity of 1910 MW, 22 gas-fired thermal power units with an installed capacity of 5177 MW, 4 pumped storage units with an installed capacity of 1200 MW, 6 nuclear power units with an installed
Pumped storage power stations in China: The past, the present,
The current storage calculation method of storage capacity is inefficient and complicated resulting in deviations between calculated values and actual storage capacity. The paper is devoted to the problem of efficiency and quality of capacity calculation in the planning and design stage of pumped storage power plants.
Discrete impedance method for the oscillation analysis of pumped-storage power
The discrete impedance method possesses accurate modeling precision and is applied to the oscillation analysis of a pumped-storage power plant with a complex hydraulic network. Furthermore, the influences of the pump-turbine impedance and the pipe friction loss on the oscillation characteristics have been discussed.
(PDF) Numerical simulation of transient processes for pumped-storage power
The pumped-storage hydropower plant is connected to a small island power system with thermal generation, and provides load-frequency control under the orders of an automatic generation control system.
The Research on comprehensive benefit Evaluation model of pumped
The roles and benefits of pumped storage are reflected in different stakeholders of the power system. The multi-dimensionality and non-linearity of pumped storage multi-stakeholder decision-making
The Optimal Allocation Strategy of Pumped Storage for Boosting
The power supply and energy storage characteristics of pumped-storage station are also implemented for boosting wind/solar stable transmission in this
Multi-method combination site selection of pumped storage power
Ji LY et al. proposed a method for the site selection of pumped storage power stations considering power structure optimization based on Kendall''s concordance coefficient, the analytic hierarchy
STUDY ON THE FUNCTION AND QUANTITATIVE EVALUATION
Secondly, an evaluation index system for pumped-storage power station supporting power system operation is proposed, and a comprehensive evaluation
A generic GIS-based method for small Pumped Hydro Energy Storage
The energy of the connection is calculated as follows: (1) E = η ρ gHV where η is the efficiency of the pumped storage plant (chosen as 0.7 in our case, the typical efficiency of small-PHES [29]), ρ is the water density (kg/m 3) and g the gravity acceleration (m/s 2). H is the altitude difference between the bottom of the upper reservoir and the
Electronics | Free Full-Text | Capacity Allocation Method of
Abstract. With the development of the electricity spot market, pumped-storage power stations are faced with the problem of realizing flexible adjustment
سابق：the current state of energy storage in ouagadougou
التالي：italian energy storage photovoltaic combiner box merchants
