engleski

New Chalanges for Protection System

With technology progress, the use of new microprocessor and multiprocessor based devices in protection and control of power systems and network, rises. It is essential that new protection devices remain protection devices as their primary function and increase reliability. It is also essential to improve secure and fast communication between these devices. To fulfill all those characteristics, new protection relays (and all of secondary equipment) must be based on new technology platforms that will ensure wanted performances. The paper describes efforts to find and combine present technologies (available for industrial production) for future functionality, especially for protection of wind generators and to define protection relays to become reliable part in wind generator protection system for direct drive synchronous generators. Direct drive synchronous generators become more popular in last few years and units become larger. Therefore there is need to find out all possible solutions for protection of that kind of wind generators.

Protection and control; Secondary equipment; Wind generator protection; Direct drive synchronous generator

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