Filter and parallel capacitor fault and protection configuration AC and DC filters and shunt capacitors are one of the important equipment of the DC transmission system of the converter station. [...]
From the previous chapter, we know that the condition maintenance of equipment is based on safety, reliability, environment, cost, etc. Through equipment status evaluation, risk assessment, and maintenance decision-making, it [...]
1.General Principles of Evaluation for shunt Capacitor Device The basic score, test score, family defect score, and defect score of each device in the AC and DC filters and shunt [...]
1.Introduction to parallel capacitor status evaluation 1.1 Parallel capacitor status evaluation background Before 2008, the AC and DC filters and shunt capacitors of DC converter stations had been inspected once [...]
1.Aging of insulating media and causes of capacitor damage (1) Aging of liquid dielectric insulation. The main manifestations of aging: increased loss, usually accompanied by an increase in trace moisture, [...]
In the DC transmission system, AC filters and shunt capacitors provide reactive power for the DC system and filter out harmonics. DC filters are used to filter out harmonics on [...]
China's high-voltage direct current transmission projects have developed rapidly since 2000, and the rapid development of direct current transmission projects has led to a rapid increase in the demand [...]
1 Failure Of Aluminum Electrolytic Capacitors Factors causing the failure of aluminum electrolytic capacitors include drying up of the electrolyte, action of the pressure relief device, short circuit, open [...]
Capacitors are an indispensable component of electronic circuits and can also be found in many electrical equipment. Our daily lives are inseparable from electronic circuits, and of course we [...]
Aluminum electrolytic capacitors are the most common and polarized capacitors. Let’s discuss what affects the leakage current of aluminum electrolytic capacitors. 1.1 Leakage current and its characterization parameters When a [...]