|
|
|
D. V. Ustymenko
Pág. 184 - 185
The microprocessor device of protection of electric chains of electric motors from short circuit currents, in which switching-off of a short circuit current is carried out before it achieves a shock value, is presented.
|
|
|
|
|
|
|
P. Ye. Mykhalichenko
Pág. 95 - 99
In the article a new procedure of choice of minimum current jump for action of fast-acting switches of 3.3 kV DC traction substations intended for the use in the microprocessor protection system of feeders is described. This procedure is more perfect tha...
ver más
|
|
|
|
|
|
|
Aleksandr Kulikov, Pavel Ilyushin and Anton Loskutov
Current microprocessor-based relay protection and automation (RPA) devices supported by IEC 61850 provide access to a large amount of information on the protected or controlled electric power facility in real time. The issue of using such information (Bi...
ver más
|
|
|
|
|
|
|
Pavel Mikhalichenko,Ivan Biliuk,Olexandr Kyrychenko,Victor Nadtochii,Anatoly Nadtochiy
Pág. 12 - 18
All types of relay protection are based on comparing the values for certain attributes under a system's normal and emergency operational modes. A new attribute for defining the emergency mode in a direct current traction electricity supply system has bee...
ver más
|
|
|
|
|
|
|
Yu. I. Khmarskyi
Pág. 259 - 262
A structure and principle of construction of microprocessor circuit of local railway automation is examined on relay-and-contact principle, which realize the three-level filtration of errors providing the highest protection of the systems of station auto...
ver más
|
|
|
|