Device for limiting single phase ground fault of mining machines

[摘要] The paper shows the reasons and consequences of the single-phase ground fault. With all the variety of devices for limiting the current single-phase ground fault, it was found that the most effective are Peterson coils having different switching circuits. Measuring of the capacity of the network is of great importance in this case, a number of options capacitance measurement are presented. A closer look is taken at the device for limiting the current of single-phase short circuit, developed in the Far Eastern Federal University under the direction of Dr. G.E. Kuvshinov. The calculation of single-phase short-circuit currents in the electrical network, without compensation and with compensation of capacitive current is carried out. Simulation of a single-phase circuit in a network with the proposed device is conducted.

[发布机构] Far Eastern Federal University, 8, Sukhanova St., Vladivostok; 690950, Russia^1

[效力级别] 电工学

[关键词] Capacitive currents;Electrical networks;Mining machines;Peterson coils;Single phase circuit;Single phase ground fault;Single-phase short circuits