Results 1 to 10 of about 3,914,143 (293)
Surface charges accumulated on solid insulating materials in electrical apparatuses and electronic devices could distort the initial electric field and severely damage the insulation performance.
Bo Zhang +6 more
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Multi‐modified epoxy insulation with improved flashover threshold for HVDC applications
The flashover threshold (Vflsh) of polymer insulations such as epoxy (EP) in HVDC systems can be augmented by modifying their surface with an appropriate treatment technology.
Inzamam Ul Haq, Feipeng Wang
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Voltage relaxation curve‐based state of charge estimation method with reduced measurement time
This paper proposes a method for estimating a battery's State of Charge using voltage relaxation curves. This method offers advantages over the conventional State of Charge estimation methods by reducing the measurement time of the Open Circuit Voltage ...
Suhyeon Lee, Dongho Lee
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Gas–solid interface charge characterisation techniques for HVDC GIS/GIL insulators
Surface charge accumulation on the spacers is one of the key issues restraining the development of HVDC GIS/GIL. The precise measurement of surface charge properties provides the basis for further study of the surface charge transport mechanism as well ...
Lei Zhang +13 more
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WSN-Based Space Charge Density Measurement System. [PDF]
It is generally acknowledged that high voltage direct current (HVDC) transmission line endures the drawback of large area, because of which the utilization of cable for space charge density monitoring system is of inconvenience.
Dawei Deng +3 more
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Researchers have shown that the value of charge carriers, de-trapped from the oil–paper interface of power transformer insulation, is useful in carrying out the diagnosis.
Saurabh Dutta +4 more
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Research progress on space charge measurement and space charge characteristics of nanodielectrics
Since the proposal of the notion of nanodielectric, the space charge characteristics of nanodielectrics have been widely investigated. With the addition of nanoparticles, some nanodielectrics exhibit smaller space charge accumulation amount during the ...
Ya-Ni Wang +3 more
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Methods study on high-resolution bunch charge measurement based on cavity monitor
BackgroundBunch charge is the most fundamental characteristic parameter of the particle beam. The Shanghai Soft X-ray Free Electron Laser Device Facility (SXFEL) needs to add a charge feedback loop to accurately control the bunch charge and the ...
CAO Shanshan +4 more
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Depleted field effect transistors (DEPFET) are used to achieve very low noise signal charge readout with sub-electron measurement precision. This is accomplished by repeatedly reading an identical charge, thereby suppressing not only the white serial ...
Gerhard Lutz +4 more
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A Velocity Measurement Method Based on Charge Induction
In this paper, based on the principle of charge induction, a new velocity measurement method is proposed. A moving target generates a low-frequency electric field, which can be induced with an electrode and detection frontend.
Yangbin Chi +3 more
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