Digi-Key, in collaboration with Ametherm, presents a PTM describing transformer protection from inrush current using the NTC thermistor. This will provide a problem statement describing the inrush ...

Abstract: Misoperation of the transformer protection device caused by the closing inrush current is one of the important problems that affect the safe operation of the transformer. The research on the ...

Many applications today, including industrial machinery, power tools and other high current equipment, use limiting inrush current as a major design consideration to combat the problematic effects of ...

Abstract: Correctly distinguishing internal fault current from magnetization inrush current is the key to differential protection of power transformer. The statistical characteristics of typical ...

Inrush currents associated with motor starting and transformer energizing can cause interaction problems with other loads in a facility or on the power system, particularly sags that trip loads.

A simple approach based on original research attacks inrush currents at the source - the power transformer. The use of special core materials and transformer design/construction techniques overcomes ...

Dealing with inrush currents in automotive or industrial systems? Vishay claims that their PTC thermistors can handle higher energy, reduce component count, and protect circuits. Vishay SMD Inrush ...

Rectifiers and ac-dc power supplies employ large bulk capacitors. During power-up, these capacitors require a large amount of current to charge up, resulting in a large inrush current. This inrush ...