The Infona portal uses cookies, i.e. strings of text saved by a browser on the user's device. The portal can access those files and use them to remember the user's data, such as their chosen settings (screen view, interface language, etc.), or their login data. By using the Infona portal the user accepts automatic saving and using this information for portal operation purposes. More information on the subject can be found in the Privacy Policy and Terms of Service. By closing this window the user confirms that they have read the information on cookie usage, and they accept the privacy policy and the way cookies are used by the portal. You can change the cookie settings in your browser.
By using the MOS energy band diagram and Negative Bias Temperature Instability (NBTI) degradation model, an equation of NBTI degradation with channel doping concentration has been derived. Meanwhile, a new NBTI inhibition method by using different doping concentration has been proposed. The quantitatively calculation and simulation results show that, with the proposed method, the NBTI inhibition rate...
Unmanned aerial vehicle (UAV) has been used by the electric utility in many situations such as the power transmission line inspection. When the UAV flying close to the high voltage (HV) power transmission line, there are risks of flashover through the UAV or corona discharge on the UAV because of the electric field disturbance caused by the UAV. To estimate the safe distance between the UAV and transmission...
The electric field has a very significant effect on the working conditions of electrical equipment. A passive electric field sensing system is developed to measure electric field strength based on the electric field induction theory. This paper studies an electric field sensing system comprising a probe head radius of 30 mm and a potential electrode radius of 18 mm. The testing system of the power...
In this paper, the meshless method is used to calculate the ion flow field under the high-voltage direct current transmission lines for the first time. The meshless local Petorv-Galerkin method is employed to solve Poisson’s equation, and the upwind meshless method is applied to solve the current continuity equation. After the validity of the method is tested, the distribution of electric field and...
In order to guarantee lightning electric field measuring equipment's veracity and relativity, electric field measuring equipment must be emendated before using. In this paper, analysised of the performance of bounded wave simulator, parallel plate electric field generator and homemade U-type emendation device when they were used to emendate lightning electric field measuring equipment. Analysised...
High voltage pulse sterilization is a new type of non-thermal sterilization technology whose mechanism is that high intensity pulsed electric field can destroy the cell membrane of bacteria instantaneously, so as to induce bacterial death. Considering the harmfulness of biological slime or biofouling to the circulating cooling water system which is produced by combination of excreta in bacterial life...
This paper describes a novel method to detect the electrification state of ultra-high voltage transmission lines based on electric field measurement method, which involves measuring the electric field at points in the vicinity of transmission lines and computing the electric field strength at the same points according to charge simulation method. A power frequency electromagnetic field strength measurement...
Our country environmental protection relevant standard prescribe 4 kV/m as working frequent electric field an evaluation standard in the resident areas, 0.1 mT as magnetic responds strength an evaluation standard. By actual measures, We found that all measure positions magnetic field strength accorded our country environmental protection standard. Therefore, the text merely research about electromagnetic...
Set the date range to filter the displayed results. You can set a starting date, ending date or both. You can enter the dates manually or choose them from the calendar.