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Editor’s note: One promising application of emerging memories is to implement a nonvolatile memory hierarchy that can retain the data when power is removed. In this work, the authors present some design techniques of nonvolatile processors with a multisource energy-harvesting system that combines thermal, kinetic, and indoor photovoltaic sources to provide a stable power supply. —Yiran Chen, Duke...
Electric vehicles (EVs) and hybrid electric vehicles (HEVs) are growing in popularity. Onboard photovoltaic (PV) systems have been proposed to overcome the limited all-electric driving range of EVs/HEVs. However, there exist obstacles to the wide adoption of onboard PV systems such as low efficiency, high cost, and low compatibility. To tackle these limitations, we propose to adopt the semiconductor...
Dynamic energy pricing is a promising technique in the Smart Grid that incentivizes energy consumers to consume electricity more prudently in order to minimize their electric bills meanwhile satisfying their energy requirements. This has become a particularly interesting problem with the introduction of residential photovoltaic (PV) power generation facilities. This paper addresses the problem of...
To establish accurate grid-connected photovoltaic (PV) power generation model is the basic of studying PV generation control, protection and mechanism of interaction with power grid. In the paper, the assumptions and requirements of model validation standard FGW-TG4 will be explained, and the result of grid voltage disturbance test will be compared to simulation result based on a generic modeling...
This paper analyzes the techno-economic performance of 600 MW coal-fired power plant with and without ammonia-based CO2 capture process, based on the operating data of an existing power plant. The simulation and analysis, with fully consideration of features of existing coal-fired power plants and the integration of CO2 capture process with steam cycle, are made to reveal the thermal and environmental...
This paper proposes a new environmental friendly evaluation criterion to assess the comprehensive performance of coal-fired power plant. The new evaluation criterion, which is called the comprehensive Index of Energy, Resources and Environment (IERE), can synthetically evaluate the thermal, economical and environmental performance of power plants. Based on the new criterion, the paper analyzes the...
Since the method of using GTEM cell to do EMI measurement is put forward, it gradually received the testers' attention because of the advantages of GTEM cell. In this paper, HFSS software is used to simulate a GTEM cell of classic structure, and the reliability of simulation is conformed from two aspects. The two aspects are characteristic impedance and output power of GTEM cell. The experiment result...
The paper can demonstrate that the directivity test of RFID tag using GTEM cell has a good agreement with the test in free space, by theoretical analysis and mathematical calculation. At the same time, we do the directivity test with GTEM cell and UHF RFID tag, and can finally verify the feasibility of GTEM cell in doing directivity test, and raise a new low-cost, efficient testing method for the...
In the case of wind energy resources identified, wind farm micro-layout mainly involves the arrangement of the wind turbines including to define the number of the turbines and the space between them. In this paper, such impact factors on the wind farm micro-layout as topography, geomorphology, turbulence, wake and economic features of the wind farm are analyzed, and the model for optimization of the...
This paper analyzed the energy consumption characteristics of typical limestone-gypsum wet flue gas desulfurization (FGD) system which is widely used in power plant for SOx removal, and discussed its optimal operation. In the FGD system, booster fan; circulating slurry pump and oxidation fan are three major energy consuming devices. We established the mathematical models to disclose the relationship...
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