Authors : Yury Alekseevich Kryukov, Aleksandr Alekseevich Funin and Igor Valentinovich Iyenyutin
Abstract: The existing equipment for performance test of relay protection devices is not completely suitable for the development of these new devices. The study reviews the technical means which may be used for investigation testing of a breadboard of smart relay protection for electrical network that was designed in University "Dubna". The equipment for testing and adjustment of relay protection and automation devices was reviewed, the possibility of its limited use for breadboard tests was noted. It is shown that obtaining a plurality of analog and digital signals needed for breadboard tests requires creation of a mathematical or physical model of the electrical network. Software and hardware real-time systems allow full hardware-in-the-loop testing, however, they are very expensive and their operation is complicated. Physical modeling is optimal for testing as is free from mathematical modeling errors, allows easily to gain necessary mode parameters in real time and the cost of such a model is relatively small. The questions of interaction between the breadboard of a smart relay protection with a physical model of the electrical network in the tests are discussed.
Yury Alekseevich Kryukov, Aleksandr Alekseevich Funin and Igor Valentinovich Iyenyutin, 2016. Smart Relay Protection of Electric Networks: an Analysis of the Technical Means for Investigation Tests. Journal of Engineering and Applied Sciences, 11: 1140-1145.