ANALYSIS OF FIELD STRUCTURE AND JUSTIFICATION OF VOLTAGES OF DIAGNOSTICS BY PARTIAL DISCHARGES OF SHIELDED TWISTED PAIRS INSULATION
Journal Title: Електротехніка і Електромеханіка - Year 2014, Vol 0, Issue 6
Abstract
An analysis of the electrostatic field of a cable twisted shielded pair for various types of test voltage: symmetric bipolar, unipolar and asymmetric is carried out. Voltage selection affects the location of the most probable place of arising of the partial discharges, phase characteristics of which are used for technical diagnostics of insulation.
Authors and Affiliations
A. V. Bezprozvannych, A. G. Kyessaeyv
NEURAL NETWORK MODELING IN PROBLEMS OF ELECTRICAL GRIDS MODES PREDICTION
Purpose. Forming a neuro-fuzzy network based on temperature monitoring of overhead transmission line for the prediction modes of the electrical network. Methodology. To predict the load capacity of the overhead line arch...
PHYSIC BASIS OF ELECTROMAGNETIC INDUCTION LOW
The statement on the macro level of EMF dependence on change in magnetic flux in time wrong reflects the physical phenomenon of electromagnetic induction low by Faraday, because EMF can be inducted if the magnetic flux o...
POWER CHARACTERISTICS OF A VIBRATOR WITH A LINEAR NONSALIENT-POLE ARMATURE MOTOR DRIVE
A vibrator with a linear reciprocating motor drive is studied. On the basis of the mathematical model developed, equations of power characteristics of the vibrator with a linear nonsalient-pole armature motor drive are o...
SINGLE-CIRCUIT ACTIVE SCREENING OF MAGNETIC FIELD GENERATED BY SEVERAL OVERHEAD TRANSMISSION LINES IN RESIDENTIAL AREA
Purpose. The synthesis of active screening system of magnetic field, generated by several high voltage overhead transmission lines, with the help of single compensation cables is presented. Methodology. The initial param...
DETERMINATION OF PULSATION FACTORS OF THE SYSTEM OF SUPPRESSION OF INTERFERING HARMONICS OF A SEMICONDUCTOR CONVERTER
Purpose. The purpose of the paper is to define the pulsation factors of a closed-loop automatic control system (ACS) of interfering harmonics containing a semiconductor converter with double-sided pulse-width modulation...