نتایج جستجو برای: protection time
تعداد نتایج: 2045832 فیلتر نتایج به سال:
The aim of the relay coordination is that protection systems detect and isolate the faulted part as fast and selective as possible. On the other hand, in order to reduce the fault clearing time, distance protection relays are usually equipped with pilot protection schemes. Such schemes can be considered in the distance and directional overcurrent relays (D&DOCRs) coordination to achieve faster ...
The analysis of transient stability in electric power systems and the penetration coefficient of scattered productions play important roles in the regulation of protective equipment, so these parameters should be considered two main factors in the electrical protection of power networks. Overcurrent relays are used as one of the simplest and most effective solutions for power system protection....
This paper presents a distance protection test procedure by applying the Real-Time Digital Simulator (RTDS) of a power system. RTDS is a tool to design, develop, and test power-system protection. The RTDS enables real-time computation of electromagnetic phenomena with a calculation time step of even 50μs. The hardware allows the import and export of many signals from the simulator to an ext...
The Rome convention 1967, protects performers for the first time but protection on audiovisual performances was limited by the article 19.The protection of performers were exceed in audiovisual performances in proposed draft on WPPT but the protection of audiovisual performances were excluded in the WPPT treaty. So the meeting including WIPO members and ::::::::union::::::::s was held in March ...
despite the title of intellectual property law, this legal system differs from the classic property law in several aspects, inter alia, the time of protection, the standards for protection, the scope of protection and the enforcement of intellectual property rights. these limitations and differences are largely because of the economic considerations regarding different kinds of positive efficie...
Copy-move forgery is a specific type of image tampering where a part of the image is copied and pasted on another part generally to conceal unwanted portions of the image. Hence, the goal in detection of copy-move forgeries is to detect image areas that are same or extremely similar. In this paper, we review several methods proposed to achieve this goal. These methods in general use block-match...
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