Results 1 to 10 of about 14,654 (261)

Assessment on Harmonic Emission Level of Residential Loads with Symmetry and Volatility Constraints

Zhongguo dianli, 2020
The accuracy of harmonic emission level assessment of residential loads is affected by background harmonics or three-phase harmonic unbalance. Based on Norton’s and Davinan’s theorem, a model is constructed for assessment of harmonic emission level.
Huaying ZHANG, Mingxing ZHU, Hengtong SHI, Qing WANG, Hongxin LI, Min GAO   +5 more
doaj   +2 more sources

A Method for Assessing Harmonic Emission Level of Photovoltaic Access Point Considering System-Side Harmonic Voltage Fluctuations

Zhongguo dianli, 2021
With the extensive application of photovoltaic inverter, the harmonic generated during its operation overlaps with the background harmonic of the system at the access point, which causes harmonic amplification and even resonance problems. It is therefore
Xu ZHANG, Yonghai XU, Ziteng LIU, Haiwei JIANG, Shun TAO   +4 more
doaj   +2 more sources

Classification and Identification Method of Power Equipment for Industrial Users Based on Harmonic Emission Level

Zhongguo dianli, 2021
With the rapid development of the power Internet of Things, clarification of user load status are significant for improving the quality of power supply service, power price decision-making, demand-side response, and paid precise services.
Xingang YANG, Peng ZHANG, Yang DU, Aiqiang PAN, Qin XU   +4 more
doaj   +2 more sources

Harmonic emission level assessment method based on parameter identification analysis

IET Generation, Transmission and Distribution, 2019
In this study, a new method for harmonic emission level assessment is proposed. The method is based on parameter identification analysis. The quantitative relationship between standard deviation values of equivalent parameters and harmonic emission levels is studied and discussed through theoretical derivations.
Kexuan Tang, Chen Shen
exaly   +2 more sources

High-resolution energy data from a sustainable industrial production area in Karlsruhe [PDF]

Scientific Data
Understanding and optimizing industrial energy systems requires datasets that capture detailed electrical behavior at high temporal resolution over long time periods.
Jonas Sievers, Simon Bischof, Thomas Blank, Frank Simon   +3 more
doaj   +2 more sources

A model of non-Maxwellian electron distribution function for the analysis of ECE data in JET discharges [PDF]

EPJ Web of Conferences, 2023
Recent experiments performed in JET at high level of plasma heating, in preparation of, and during the DT campaign have shown significant discrepancies between electron temperature measurements by Thomson Scattering (TS) and Electron Cyclotron Emission ...
Giruzzi G., Fontana M., Orsitto F.P., de la Luna E., Dumont R., Figini L., Maslov M., Mazzi S., Schmuck S., Senni L., Sozzi C., Challis C., Frigione D., Garcia J., Garzotti L., Hobirk J., Kappatou A., Keeling D., Lerche E., Maggi C., Mailloux J., Rimini F., Van Eester D.   +22 more
doaj   +1 more source

Assessing Time-Varying Harmonic Interactions in a Wind Park

IEEE Access, 2021
The harmonic interaction mechanism in a wind park is examined in this paper. The paper investigates the feasibility of a solution to the yet challenging harmonic contribution estimation from multiple sources in a wind park with limited available ...
Vineetha Ravindran, Naser Nakhodchi, Sarah Ronnberg, Math H. J. Bollen   +3 more
doaj   +1 more source

Assessment method of harmonic emission level based on pan-normal harmonic impedance cloud [PDF]

Proceedings of the 2016 International Conference on Civil, Transportation and Environment, 2016
In this paper, a method for estimating the system harmonic impedance and harmonic emission level based on the pan-normal impedance cloud is presented. First of all, based on the basic principle of fluctuation method, it can be obtained that the key to estimate the system harmonic impedance is how to identify fluctuation ratio samples closer to the true
Siyu Qiu, Dan Zhao, Guosheng Zhao
openaire   +1 more source

A carbon metering method for distribution networks considering harmonic influences

Frontiers in Energy Research, 2023
Harmonics brought about by a large number of impulsive and non-linear loads connected to the grid has led to new challenges in regional carbon emission management.
Jicheng Yu, Hao Chen, Zhen Wang, Feng Zhou, Xiaodong Yin, Changxi Yue    +5 more
doaj   +1 more source

Study on Harmonic Impedance Estimation Based on Gaussian Mixture Regression Using Railway Power Supply Loads

Energies, 2022
There are a huge number of harmonics in the railway power supply system. Accurately estimating the harmonic impedance of the system is the key to evaluating the harmonic emission level of the power supply system. A harmonic impedance estimation method is
Yankun Xia, Wenzhang Tang
doaj   +1 more source