1. Analysis of common capacitor failures causes of reactors and capacitors The main operating failure of dry-type air-core reactors is insulation breakdown between coil turns. The causes of failure include damp coils or insulation weaknesses, local discharge arc burnout, local overheating insulation breakdown, overvoltage, short circuit caused by small animals, and deformation and damage of coils [...]
1 Types of aluminum-based solid solutions in electrolytic capacitor aluminum foil Aluminum foil for electrolytic capacitors usually needs to be made of high-purity aluminum. However, even the highest purity aluminum inevitably contains a small amount of impurity elements. Sometimes it is necessary to artificially add a small amount of alloying elements to the aluminum foil for [...]
1.Importance of equipment installation tracking In DC converter stations, shunt capacitors, as one of the key equipment, play an important role in the stable operation of regional power grid interconnection and high-power power transmission. DC converter stations usually shoulder the important tasks of regional power grid interconnection and high-power power transmission. The safe and stable operation [...]
1. Vacancy Capacitors - other defects in aluminum Vacancies in aluminum crystals are defects caused by missing atoms in normal positions in the structure. Vacancies can cause local distortions in the crystal structure, which are limited to a few atomic distances. Relative to the scale of the entire crystal, the spatial range involved in vacancies is [...]
1 Capacitor aluminum crystals—definition of orientation and texture The semi-continuous casting slab, hot-rolled plate, cold-rolled plate or final aluminum foil (Figure 1.7) involved in aluminum electrolytic capacitors are all composed of aluminum crystals. Usually, the normal direction of the aluminum plate or aluminum foil is represented by ND, the rolling direction is represented by RD, and [...]