2015-09-A-RPLF

Due to market price fluctuations, if you need to purchase or consult the price. You can contact us or emial to us:   sales@allicdata.com

Gas Discharge Tube (GDT) Arresters, also known as gas-filled arresters, are devices which protect electrical equipment from voltage transients, or surges. They are an electrical component which is becoming increasingly important today due to the various applications in which they can be used, and the various properties they have to offer.

Gas discharge tubes are constructed from a glass or ceramic inner material which consists of two metal electrodes, one positive and one negative. Gas is then filled inside the inner tube and a closed space is created. This gas then acts as a dielectric material and it is as the pressure in the closed space of the inner tube increases that the arrester is given the properties of a resistor and a conductor. Specifically, when a sudden voltage rise occurs, the pressure inside the inner tube begins to increase and this increase in pressure allows a current to flow through it.

The operation of GDT Arresters follows two principles, the RPLF principle and the Applied voltage self-limiting principle. The RPLF (Rapid Pressure Limiting Fuse) principle is based on the fact that when an overvoltage occurs, the gas molecules inside the arrester are activated by the electric field which in turn, increases the pressure in the closed space of the inner tube. This pressure increase then causes the current to flow and it is this current flow which limits the voltage.

In contrast, the Applied Voltage Self-Limiting principle is based on the fact that when an overvoltage occurs, the voltage across the shunt resistor increases linearly with the voltage applied to the arrester. When the applied voltage exceeds the rated limit, the arrester automatically breaks the circuit and the voltage is then limited.

GDT Arresters can be utilised in a wide variety of applications and are used for providing protection in areas ranging from telecommunications and power networks to industrial, domestic and commercial applications. They provide protection from high voltage transients, lightning, as well as other extreme voltage events. They can also be used in a variety of situations such as providing protection for computers, lighting systems, motors, capacitors, transformers and other electrical equipment. Furthermore, GDT arresters can also be used in aircraft, boats and vehicles where they provide protection for sensitive electronic systems.

In addition to the above-mentioned applications, GDT Arresters are also used for a variety of other purposes such as providing surge protection, overvoltage protection, power line surge protection, and telecom transients. In the latter two applications, GDT Arresters are used to protect sensitive signalling or communication systems by limiting the development of high voltages or overvoltages.

In conclusion, GDT Arresters are an increasingly important component in today’s electrical industry due to their wide-reaching applications in various areas of both industrial and commercial applications. They offer important protection from high-voltage transients, lightning and other extreme voltage events, and provide cost effective and reliable protection for a range of sensitive and essential electrical systems.

The specific data is subject to PDF, and the above content is for reference